Формат времени в UTC

libs/ballistics-lib/src/main/kotlin/ballistics/orbitalPoints/timeStepper/TLEStepper.kt

@@ -22,7 +22,7 @@ class TLEStepper(str1: String, str2: String, earthType: EarthType) : AbstractSte
     private val ascendingNodeCache = mutableMapOf<Int, Double>()
 
     init {
-        baseEpoch = extractUTCMillis(satellite) / 1000.0 + 10800
+        baseEpoch = extractUTCMillis(satellite) / 1000.0
         nextAscendingNodeAfterEpoch = findNextAscendingNodeAfterEpoch()
         ascendingNodeCache[0] = nextAscendingNodeAfterEpoch
     }

libs/ballistics-lib/src/main/kotlin/ballistics/utils/astro/AstronomerJ2000.kt

@@ -26,9 +26,9 @@ class AstronomerJ2000(var earthType: EarthType) {
         var d = tDtTm / 86400.0
         var dat = truncate(d)
         var tt = d - dat
-        if (tt < 0.125) {
-            dat--
-        }
+//        if (tt < 0.125) {
+//            dat--
+//        }
 
         var t = (dat - baseDate) / (36525.0)
         var t2 = t * t
@@ -69,11 +69,11 @@ class AstronomerJ2000(var earthType: EarthType) {
 
         psi += r
 
-        if (tt < 0.125) {
-            tt += 0.875
-        } else {
-            tt -= 0.125
-        }
+//        if (tt < 0.125) {
+//            tt += 0.875
+//        } else {
+//            tt -= 0.125
+//        }
 
         r = 84381.448e0 - 46.84024e0 * t - 0.00059e0 * t2 + 0.001813e0 * t3
         r = r * PI / 180.0 / 3600.0
@@ -172,7 +172,7 @@ class AstronomerJ2000(var earthType: EarthType) {
 
     fun moonCoordinates(tm: Double): Vector3D {
         var d: Double = tm / 86400.0
-        d = d - 0.125
+//        d = d - 0.125
         val t: Double = (d - baseDate) / 36525.0 // Юлианский период ot 12h 1.1.2000
         val t2 = t * t
         val t3 = t2 * t
@@ -241,8 +241,8 @@ class AstronomerJ2000(var earthType: EarthType) {
     }
 
     fun sunCoordinates(tm: Double): Vector3D {
-        var d = tm / 86400.0
-        var dd = d - 0.125
+        var dd = tm / 86400.0
+//        var dd = d - 0.125
         var t = (dd - baseDate) / 36525.0
         var t2 = t * t
         var t3 = t2 * t

libs/ballistics-lib/src/test/kotlin/Test.kt

@@ -22,7 +22,7 @@ fun main() {
 
 
 
-    val tt2 = LocalDateTime.of(2028, 12, 11, 1, 24, 24, 257000000)
+    val tt2 = LocalDateTime.of(2028, 12, 10, 22, 24, 24, 257000000)
 
     val op =             OrbitalPoint(
         fromDateTime(tt2),

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/ExactTimePositionRequestDTO.kt

@@ -2,11 +2,12 @@ package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
 import io.swagger.v3.oas.annotations.media.Schema
 import jakarta.validation.constraints.DecimalMin
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 @Schema(description = "Запрос на расчет параметров выхода на заданное время")
 class ExactTimePositionRequestDTO(
-        val time : LocalDateTime = LocalDateTime.now(),
+        val time : LocalDateTime = UtcDateTimes.now(),
     val timeStop : LocalDateTime? = null,
     @field:DecimalMin(value = "1",
         message = "Шаг не может быть меньше 1 мс")

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/FlightLineDTO.kt

@@ -2,6 +2,7 @@ package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
 import com.fasterxml.jackson.annotation.JsonProperty
 import io.swagger.v3.oas.annotations.media.Schema
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 @Schema(description = "Модель данных параметров трассы полета и полосы обзора")
@@ -12,7 +13,7 @@ class FlightLineDTO(
         required = true,
         nullable = false
     )
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     @JsonProperty
     @field:Schema(
         description = "Виток"

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/IcRvaRequestDTO.kt

@@ -2,6 +2,7 @@ package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
 import com.fasterxml.jackson.annotation.JsonProperty
 import jakarta.validation.constraints.NotEmpty
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class IcRvaRequestDTO(
@@ -13,8 +14,8 @@ class IcRvaRequestDTO(
     @field:NotEmpty(message = "Массив станций приема")
     val station: StationDTO = StationDTO(),
 
-    val timeStart : LocalDateTime = LocalDateTime.now(),
+    val timeStart : LocalDateTime = UtcDateTimes.now(),
 
-    val timeStop : LocalDateTime = LocalDateTime.now()
+    val timeStop : LocalDateTime = UtcDateTimes.now()
 ) {
 }

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/IntervalDTO.kt

@@ -1,10 +1,11 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class IntervalDTO(
-    val begin : LocalDateTime = LocalDateTime.now(),
-    val end : LocalDateTime = LocalDateTime.now(),
+    val begin : LocalDateTime = UtcDateTimes.now(),
+    val end : LocalDateTime = UtcDateTimes.now(),
     val durationSec : Double = 0.0
 ) {
 }

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/ObjViewRequestDTO.kt

@@ -1,11 +1,12 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class ObjViewRequestDTO(
     val satellites : List<Long> = listOf(),
-    val timeStart : LocalDateTime = LocalDateTime.now(),
-    val timeStop : LocalDateTime = LocalDateTime.now(),
+    val timeStart : LocalDateTime = UtcDateTimes.now(),
+    val timeStop : LocalDateTime = UtcDateTimes.now(),
     val obj : ObjDTO = ObjDTO(),
     val sunAngleMin : Double? = null,
     val rollMin : Double? = null,

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/OrbPointDTO.kt

@@ -1,9 +1,10 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class OrbPointDTO(
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     val revolution : Long = 0,
     val vx : Double = 0.0,
     val vy : Double = 0.0,

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/PointViewParamDTO.kt

@@ -1,11 +1,12 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class PointViewParamDTO(
     val noradId : Long = 0,
     val objectId : String = "",
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     val revolution : Long = 0,
     val gamma : Double = 0.0,
     val sunAngle : Double = 0.0,

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/SatelliteOrbitAvailabilityDTO.kt

@@ -1,10 +1,11 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class SatelliteOrbitAvailabilityDTO(
     val satelliteId: Long = 0,
-    val timeStart: LocalDateTime = LocalDateTime.now(),
-    val timeStop: LocalDateTime = LocalDateTime.now()
+    val timeStart: LocalDateTime = UtcDateTimes.now(),
+    val timeStop: LocalDateTime = UtcDateTimes.now()
 ) {
 }

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/SquareViewParamDTO.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 
@@ -8,10 +9,10 @@ class SquareViewParamDTO(
     val noradId : Long = 0,
     val objectId : String = "",
     val revolutionBegin : Long = 0,
-    val timeBegin : LocalDateTime = LocalDateTime.now(),
+    val timeBegin : LocalDateTime = UtcDateTimes.now(),
     val revSignBegin : RevolutionSign = RevolutionSign.ASC,
     val revolutionEnd: Long = 0,
-    val timeEnd : LocalDateTime = LocalDateTime.now(),
+    val timeEnd : LocalDateTime = UtcDateTimes.now(),
     val revSignEnd : RevolutionSign = RevolutionSign.ASC,
     val gammaMin : Double = 0.0,
     val gammaMax : Double = 0.0

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/TargetPositionDTO.kt

@@ -1,12 +1,13 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
 import io.swagger.v3.oas.annotations.media.Schema
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 
 @Schema(description = "Модель данных целеуказаний")
 class TargetPositionDTO(
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     val elevation : Double = 0.0,
     val azimuth : Double = 0.0,
     val range : Double = 0.0

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/TlePointRequestDTO.kt

@@ -1,8 +1,9 @@
 package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class TlePointRequestDTO(
     var tle: TLEDTO = TLEDTO(),
-    var time: LocalDateTime = LocalDateTime.now()
+    var time: LocalDateTime = UtcDateTimes.now()
 )

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/ballistics/TleRvaRequestDTO.kt

@@ -2,6 +2,7 @@ package space.nstart.pcp.pcp_types_lib.dto.ballistics
 
 import com.fasterxml.jackson.annotation.JsonProperty
 import jakarta.validation.constraints.NotEmpty
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class TleRvaRequestDTO(
@@ -11,9 +12,9 @@ class TleRvaRequestDTO(
     @field:NotEmpty(message = "Массив станций приема")
     val station: StationDTO = StationDTO(),
 
-    val timeStart : LocalDateTime = LocalDateTime.now(),
+    val timeStart : LocalDateTime = UtcDateTimes.now(),
 
-    val timeStop : LocalDateTime = LocalDateTime.now()
+    val timeStop : LocalDateTime = UtcDateTimes.now()
 
 ) {
 }

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/coverage/CoverageCandidateDebugDTO.kt

@@ -1,11 +1,12 @@
 package space.nstart.pcp.pcp_types_lib.dto.coverage
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class CoverageCandidateDebugDTO(
     val satelliteId: Long = 0,
-    val timeStart: LocalDateTime = LocalDateTime.now(),
-    val timeEnd: LocalDateTime = LocalDateTime.now(),
+    val timeStart: LocalDateTime = UtcDateTimes.now(),
+    val timeEnd: LocalDateTime = UtcDateTimes.now(),
     val rollDegrees: Double = 0.0,
     val accepted: Boolean = false,
     val reason: String = "",

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/coverage/CoverageSchemeCalculateRequestDTO.kt

@@ -1,12 +1,13 @@
 package space.nstart.pcp.pcp_types_lib.dto.coverage
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class CoverageSchemeCalculateRequestDTO(
     val polygonWkt: String = "",
     val satelliteIds: List<Long> = listOf(),
-    val timeStart: LocalDateTime = LocalDateTime.now(),
-    val timeEnd: LocalDateTime = LocalDateTime.now(),
+    val timeStart: LocalDateTime = UtcDateTimes.now(),
+    val timeEnd: LocalDateTime = UtcDateTimes.now(),
     val rollStepDegrees: Double? = null,
     val minimumTechnologyOverlap: Double? = null,
     val strictContinuousCoverage: Boolean = true,

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/requests/EarthCellCalculationRequestDTO.kt

@@ -1,10 +1,11 @@
 package space.nstart.pcp.pcp_types_lib.dto.requests
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class EarthCellCalculationRequestDTO(
-    val timeStart : LocalDateTime = LocalDateTime.now(),
-    val timeStop : LocalDateTime = LocalDateTime.now(),
+    val timeStart : LocalDateTime = UtcDateTimes.now(),
+    val timeStop : LocalDateTime = UtcDateTimes.now(),
     val cell : EarthCellWithRequestsDTO = EarthCellWithRequestsDTO()
 ) {
 }

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/requests/slots/BookedSlotsStatusChangedEvent.kt

@@ -1,12 +1,13 @@
 package space.nstart.pcp.pcp_types_lib.dto.requests.slots
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 import java.util.UUID
 
 data class BookedSlotsStatusChangedEvent(
     val bookedSlotIds: List<Long> = emptyList(),
     val status: BookedSlotStatus = BookedSlotStatus.BOOKED,
-    val occurredAt: LocalDateTime = LocalDateTime.now(),
+    val occurredAt: LocalDateTime = UtcDateTimes.now(),
     val sourceService: String = "",
     val missionId: UUID? = null,
     val modeId: Long? = null,

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/satellite/mission/DropRouteDTOs.kt

@@ -1,6 +1,7 @@
 package space.nstart.pcp.pcp_types_lib.dto.satellite.mission
 
 import io.swagger.v3.oas.annotations.media.Schema
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 /**
@@ -23,10 +24,10 @@ data class DropRouteSaveRequestDTO(
     val revolution: Long = 0,
 
     @field:Schema(description = "Начало зоны радиовидимости (локальное время без зоны)")
-    val zoneStart: LocalDateTime = LocalDateTime.now(),
+    val zoneStart: LocalDateTime = UtcDateTimes.now(),
 
     @field:Schema(description = "Конец зоны радиовидимости (локальное время без зоны)")
-    val zoneStop: LocalDateTime = LocalDateTime.now(),
+    val zoneStop: LocalDateTime = UtcDateTimes.now(),
 
     @field:Schema(description = "Идентификаторы режимов съёмки (survey_modes), которые сбрасываются в этой зоне")
     val surveyModeIds: List<Long> = emptyList(),

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/satellite/mission/SurveyRouteBuildDTOs.kt

@@ -3,6 +3,7 @@ package space.nstart.pcp.pcp_types_lib.dto.satellite.mission
 import com.fasterxml.jackson.annotation.JsonProperty
 import io.swagger.v3.oas.annotations.media.Schema
 import jakarta.validation.constraints.DecimalMin
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 /**
@@ -22,7 +23,7 @@ data class SurveyRouteBuildRequestDTO(
     val satelliteId: Long = 0,
 
     @field:Schema(description = "Момент видимости (локальное время без зоны)")
-    val time: LocalDateTime = LocalDateTime.now(),
+    val time: LocalDateTime = UtcDateTimes.now(),
 
     @field:DecimalMin(value = "1", message = "Длительность съёмки должна быть не меньше 1 секунды")
     @field:Schema(description = "Длительность съёмки, секунды")

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/dto/satellite/modes/SurveyModeInfoDTO.kt

@@ -1,11 +1,12 @@
 package space.nstart.pcp.pcp_types_lib.dto.satellite.modes
 
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 data class SurveyModeInfoDTO(
     val revolution : Long = 0,
-    val time : LocalDateTime = LocalDateTime.now(),
-    val timStop : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
+    val timStop : LocalDateTime = UtcDateTimes.now(),
     val duration : Double = 0.0,
     val roll : Double = 0.0,
     val contourWKT : String = "",

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/message/KafkaMessage.kt

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonFormat
 import com.fasterxml.jackson.annotation.JsonAlias
 import com.fasterxml.jackson.databind.annotation.JsonSerialize
 import space.nstart.pcp.pcp_types_lib.utils.json.LocalDateTimeTimeZoneSerializer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 import java.util.*
 
@@ -22,7 +23,7 @@ class KafkaMessage<out T> (
 
     @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss.SSS[xxx]")
     @JsonSerialize(using = LocalDateTimeTimeZoneSerializer::class)
-    val time: LocalDateTime = LocalDateTime.now()
+    val time: LocalDateTime = UtcDateTimes.now()
 
     val dataContentType = "application/json"
     val specVersion = "1.0"

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/utils/UtcDateTimes.kt

@@ -0,0 +1,60 @@
+package space.nstart.pcp.pcp_types_lib.utils
+
+import java.time.Clock
+import java.time.Instant
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter
+import java.time.format.DateTimeParseException
+
+/**
+ * Shared UTC helpers for services that still keep LocalDateTime in domain and DB models.
+ *
+ * LocalDateTime values are treated as UTC-naive: the stored object has no zone, but its
+ * numeric fields represent a UTC instant. Public API may receive either explicit UTC/offset
+ * ISO strings or legacy naive ISO strings; explicit offsets are normalized to UTC.
+ */
+object UtcDateTimes {
+    val UTC: ZoneOffset = ZoneOffset.UTC
+
+    fun now(clock: Clock = Clock.systemUTC()): LocalDateTime =
+        LocalDateTime.ofInstant(clock.instant(), UTC)
+
+    fun parse(value: String): LocalDateTime {
+        val normalized = normalize(value)
+
+        parseOffset(normalized)?.let { return it }
+        parseInstant(normalized)?.let { return it }
+        parseLocal(normalized)?.let { return it }
+
+        throw DateTimeParseException(
+            "Expected ISO-8601 UTC/offset date-time or legacy UTC-naive date-time",
+            value,
+            0
+        )
+    }
+
+    fun format(value: LocalDateTime): String = value.toInstant(UTC).toString()
+
+    fun parseOrNull(value: String): LocalDateTime? = runCatching { parse(value) }.getOrNull()
+
+    private fun normalize(value: String): String {
+        val trimmed = value.trim().replace(Regex(" (\\d{2}:\\d{2})$"), "+\$1")
+        return if (trimmed.length == 16) "$trimmed:00" else trimmed
+    }
+
+    private fun parseOffset(value: String): LocalDateTime? = runCatching {
+        OffsetDateTime.parse(value, DateTimeFormatter.ISO_DATE_TIME)
+            .withOffsetSameInstant(UTC)
+            .toLocalDateTime()
+    }.getOrNull()
+
+    private fun parseInstant(value: String): LocalDateTime? = runCatching {
+        LocalDateTime.ofInstant(Instant.parse(value), UTC)
+    }.getOrNull()
+
+    private fun parseLocal(value: String): LocalDateTime? = runCatching {
+        LocalDateTime.parse(value, DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+    }.getOrNull()
+}

libs/pcp-types-lib/src/main/kotlin/space/nstart/pcp/pcp_types_lib/utils/json/LocalDateTimeTimeZoneSerializer.kt

@@ -3,20 +3,16 @@ package space.nstart.pcp.pcp_types_lib.utils.json
 import com.fasterxml.jackson.core.JsonGenerator
 import com.fasterxml.jackson.databind.JsonSerializer
 import com.fasterxml.jackson.databind.SerializerProvider
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
-import java.time.ZoneId
-import java.time.format.DateTimeFormatter
 
 class LocalDateTimeTimeZoneSerializer: JsonSerializer<LocalDateTime?>() {
 
-    companion object {
-        val fmt: DateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSxxx")
-    }
-
     override fun serialize(p0: LocalDateTime?, p1: JsonGenerator, p2: SerializerProvider) {
-
-        //todo: проверить корректность зоны по нормальным правилам
-//        p1.writeString(p0?.atZone(ZoneId.of("Europe/Moscow"))?.format(fmt))
-        p1.writeString(p0?.atZone(ZoneId.systemDefault())?.format(fmt))
+        if (p0 == null) {
+            p1.writeNull()
+        } else {
+            p1.writeString(UtcDateTimes.format(p0))
+        }
     }
 }

libs/pcp-types-lib/src/test/kotlin/space/nstart/pcp/pcp_types_lib/utils/UtcDateTimesTest.kt

@@ -0,0 +1,29 @@
+package space.nstart.pcp.pcp_types_lib.utils
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import java.time.LocalDateTime
+
+class UtcDateTimesTest {
+
+    @Test
+    fun `normalizes offset date-time to utc naive LocalDateTime`() {
+        val actual = UtcDateTimes.parse("2026-06-17T09:28:27.334+03:00")
+
+        assertEquals(LocalDateTime.of(2026, 6, 17, 6, 28, 27, 334_000_000), actual)
+    }
+
+    @Test
+    fun `treats legacy naive date-time as utc naive LocalDateTime`() {
+        val actual = UtcDateTimes.parse("2026-06-17T06:28:27.334")
+
+        assertEquals(LocalDateTime.of(2026, 6, 17, 6, 28, 27, 334_000_000), actual)
+    }
+
+    @Test
+    fun `formats utc naive LocalDateTime with Z suffix`() {
+        val actual = UtcDateTimes.format(LocalDateTime.of(2026, 6, 17, 6, 28, 27, 334_000_000))
+
+        assertEquals("2026-06-17T06:28:27.334Z", actual)
+    }
+}

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/angular/AngularMotionController.kt

@@ -8,10 +8,12 @@ import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.RestController
 import space.nstart.pcp.pcp_request_service.configuration.CustomValidationException
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.AngularMotionCalculationRequestDTO
 import java.net.URLDecoder
 import java.nio.charset.StandardCharsets
 import java.time.LocalDateTime
+import java.time.format.DateTimeParseException
 
 @RestController
 @RequestMapping("/api/angular-motion")
@@ -43,12 +45,12 @@ class AngularMotionController(
             return null
         }
         val decoded = URLDecoder.decode(raw, StandardCharsets.UTF_8)
-        val normalized = if (decoded.length == 16) "$decoded:00" else decoded
-        return runCatching { LocalDateTime.parse(normalized) }
-            .getOrElse {
-                throw CustomValidationException(
-                    "Некорректный формат времени '$decoded'. Ожидается yyyy-MM-dd'T'HH:mm или yyyy-MM-dd'T'HH:mm:ss",
-                )
-            }
+        return try {
+            UtcDateTimes.parse(decoded)
+        } catch (_: DateTimeParseException) {
+            throw CustomValidationException(
+                "Некорректный формат времени '$decoded'. Ожидается ISO-8601 UTC/offset, например 2026-06-17T06:28:27Z, или legacy UTC-naive yyyy-MM-dd'T'HH:mm:ss",
+            )
+        }
     }
 }

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/configuration/TimeConfiguration.kt

@@ -0,0 +1,12 @@
+package space.nstart.pcp.pcp_request_service.configuration
+
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import java.time.Clock
+
+@Configuration
+class TimeConfiguration {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+}

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/configuration/UtcTimeJsonConfiguration.kt

@@ -0,0 +1,40 @@
+package space.nstart.pcp.pcp_request_service.configuration
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeJsonConfiguration {
+
+    @Bean
+    fun ballisticsUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-ballistics-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/controller/SatelliteController.kt

@@ -15,9 +15,11 @@ import org.springframework.web.bind.annotation.RestController
 import space.nstart.pcp.pcp_request_service.configuration.CustomValidationException
 import space.nstart.pcp.pcp_request_service.service.SatelliteIcEventService
 import space.nstart.pcp.pcp_request_service.service.SatelliteService
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.ExactTimePositionRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.SatelliteICDTO
 import java.time.LocalDateTime
+import java.time.format.DateTimeParseException
 
 
 @RestController
@@ -61,11 +63,11 @@ class SatelliteController {
         @Parameter(description = "Идентификатор NORAD", example = "56756")
         @PathVariable("norad_id") noradId : Long,
         @Parameter(description = "Время начала (если null, то мин. время для выбранного КА)")
-        @RequestParam("time_start") timeStart : LocalDateTime?,
+        @RequestParam("time_start", required = false) timeStart : String?,
         @Parameter(description = "Время конца (если null, то макс. время для выбранного КА)")
-        @RequestParam("time_stop") timeStrop : LocalDateTime?
+        @RequestParam("time_stop", required = false) timeStrop : String?
     ) =
-        satelliteService.getOrbPoints(noradId, timeStart, timeStrop)
+        satelliteService.getOrbPoints(noradId, parseOptionalUtcDateTime("time_start", timeStart), parseOptionalUtcDateTime("time_stop", timeStrop))
 
     @Operation(
         summary = "Получить доступные интервалы прогноза по всем КА",
@@ -74,9 +76,9 @@ class SatelliteController {
     @GetMapping("/orbit/availability")
     fun getOrbitAvailability(
         @Parameter(description = "Проверяемое время. Если null, возвращаются все КА, для которых есть точки ПДЦМ")
-        @RequestParam("time", required = false) time: LocalDateTime?
+        @RequestParam("time", required = false) time: String?
     ) =
-        satelliteService.getOrbitAvailability(time)
+        satelliteService.getOrbitAvailability(parseOptionalUtcDateTime("time", time))
 
 
     @GetMapping("/orbit/availability/{id}")
@@ -96,11 +98,11 @@ class SatelliteController {
         @Parameter(description = "Идентификатор NORAD", example = "56756")
         @PathVariable("norad_id") noradId : Long,
         @Parameter(description = "Время начала (если null, то мин. время для выбранного КА)")
-        @RequestParam("time_start") timeStart : LocalDateTime?,
+        @RequestParam("time_start", required = false) timeStart : String?,
         @Parameter(description = "Время конца (если null, то макс. время для выбранного КА)")
-        @RequestParam("time_stop") timeStrop : LocalDateTime?
+        @RequestParam("time_stop", required = false) timeStrop : String?
     ) =
-        satelliteService.getAscNodes(noradId, timeStart, timeStrop)
+        satelliteService.getAscNodes(noradId, parseOptionalUtcDateTime("time_start", timeStart), parseOptionalUtcDateTime("time_stop", timeStrop))
 
 
     @Operation(
@@ -112,11 +114,11 @@ class SatelliteController {
         @Parameter(description = "Идентификатор NORAD", example = "56756")
         @PathVariable("norad_id") noradId : Long,
         @Parameter(description = "Время начала (если null, то мин. время для выбранного КА)")
-        @RequestParam("time_start") timeStart : LocalDateTime?,
+        @RequestParam("time_start", required = false) timeStart : String?,
         @Parameter(description = "Время конца (если null, то макс. время для выбранного КА)")
-        @RequestParam("time_stop") timeStrop : LocalDateTime?
+        @RequestParam("time_stop", required = false) timeStrop : String?
     ) =
-        satelliteService.getFL(noradId, timeStart, timeStrop, 60.0)
+        satelliteService.getFL(noradId, parseOptionalUtcDateTime("time_start", timeStart), parseOptionalUtcDateTime("time_stop", timeStrop), 60.0)
 
 
 
@@ -130,11 +132,11 @@ class SatelliteController {
         @Parameter(description = "Идентификатор NORAD", example = "56756")
         @PathVariable("norad_id") noradId : Long,
         @Parameter(description = "Время начала (если null, то мин. время для выбранного КА)")
-        @RequestParam("time_start") timeStart : LocalDateTime,
+        @RequestParam("time_start") timeStart : String,
         @Parameter(description = "Время конца (если null, то макс. время для выбранного КА)")
-        @RequestParam("time_stop") timeStrop : LocalDateTime
+        @RequestParam("time_stop") timeStrop : String
     ) =
-        satelliteService.getRVA(noradId, timeStart, timeStrop)
+        satelliteService.getRVA(noradId, parseRequiredUtcDateTime("time_start", timeStart), parseRequiredUtcDateTime("time_stop", timeStrop))
 
 
     @PostMapping("/{satellite_id}/clear")
@@ -143,4 +145,16 @@ class SatelliteController {
     ) =
         satelliteService.clear(satelliteId)
 
+    private fun parseOptionalUtcDateTime(name: String, value: String?): LocalDateTime? =
+        value?.let { parseRequiredUtcDateTime(name, it) }
+
+    private fun parseRequiredUtcDateTime(name: String, value: String): LocalDateTime =
+        try {
+            UtcDateTimes.parse(value)
+        } catch (_: DateTimeParseException) {
+            throw CustomValidationException(
+                "Некорректный формат параметра '$name': '$value'. Ожидается ISO-8601 UTC/offset, например 2026-06-17T06:28:27Z, или legacy UTC-naive yyyy-MM-dd'T'HH:mm:ss",
+            )
+        }
+
 }

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/entity/AscNodeEntity.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_request_service.entity
 
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import ballistics.types.KeplerParams
 import ballistics.types.RevolutionParameter
 import ballistics.utils.fromDateTime
@@ -26,7 +27,7 @@ class AscNodeEntity(
     @Column(nullable = false)
     val satelliteId : Long = 0,
     @Column(name = "t", nullable = false)
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     @Column(nullable = false)
     val revolution : Long = 0,
     val longitude : Double = 0.0,

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/entity/EarthCellViewsEntity.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_request_service.entity
 
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import ballistics.utils.toDateTime
 import jakarta.persistence.Column
 import jakarta.persistence.Entity
@@ -26,13 +27,13 @@ class EarthCellViewsEntity(
     @Column(name = "rev_begin", nullable = false)
     val revolutionBegin : Long = 0,
     @Column(nullable = false)
-    val timeBegin : LocalDateTime = LocalDateTime.now(),
+    val timeBegin : LocalDateTime = UtcDateTimes.now(),
     @Column(nullable = false)
     val revSignBegin : Int = 0,
     @Column(name = "rev_end", nullable = false)
     val revolutionEnd: Long = 0,
     @Column(nullable = false)
-    val timeEnd : LocalDateTime = LocalDateTime.now(),
+    val timeEnd : LocalDateTime = UtcDateTimes.now(),
     @Column(nullable = false)
     val revSignEnd : Int = 0,
     @Column(name = "roll_min")

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/entity/EarthCoverageEntity.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_request_service.entity
 
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import ballistics.types.FleghtLineSector
 import ballistics.utils.toDateTime
 import jakarta.persistence.Column
@@ -22,9 +23,9 @@ class EarthCoverageEntity(
     @Column(nullable = false)
     val cellNumber : Long = 0,
     @Column(nullable = false)
-    val tStart : LocalDateTime = LocalDateTime.now(),
+    val tStart : LocalDateTime = UtcDateTimes.now(),
     @Column(nullable = false)
-    val tStop  : LocalDateTime = LocalDateTime.now(),
+    val tStop  : LocalDateTime = UtcDateTimes.now(),
     ) {
     constructor(fl : FleghtLineSector, sector : Int, sat : Long) : this(
         null,

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/entity/FlightLineEntity.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_request_service.entity
 
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import ballistics.types.FlightLine
 import ballistics.utils.toDateTime
 import jakarta.persistence.*
@@ -19,7 +20,7 @@ class FlightLineEntity(
     @Column(nullable = false)
     val satelliteId : Long = 0,
     @Column(name = "t", nullable = false)
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     @Column(nullable = false)
     val revolution : Long = 0,
     @Column(nullable = false)

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/entity/PDCMEntity.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_request_service.entity
 
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import ballistics.types.OrbitalPoint
 import ballistics.utils.fromDateTime
 import ballistics.utils.math.Vector3D
@@ -18,7 +19,7 @@ class PDCMEntity (
     @Column(nullable = false)
     val satelliteId : Long = 0,
     @Column(name = "t", nullable = false)
-    val time : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
     @Column(nullable = false)
     val revolution : Long = 0,
     val x: Double = 0.0,

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/entity/SatelliteInitialConditionEntity.kt

@@ -1,5 +1,6 @@
 package space.nstart.pcp.pcp_request_service.entity
 
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import jakarta.persistence.Column
 import jakarta.persistence.Entity
 import jakarta.persistence.EnumType
@@ -27,7 +28,7 @@ class SatelliteInitialConditionEntity(
     @Column(name = "movement_model", nullable = false)
     val movementModel: MovementModel = MovementModel.FOTO,
     @Column(name = "orb_time", nullable = false)
-    val orbTime: LocalDateTime = LocalDateTime.now(),
+    val orbTime: LocalDateTime = UtcDateTimes.now(),
     @Column(name = "orb_revolution", nullable = false)
     val orbRevolution: Long = 0,
     @Column(nullable = false)
@@ -47,13 +48,13 @@ class SatelliteInitialConditionEntity(
     @Column(nullable = false)
     val f81: Double = 147.8,
     @Column(name = "received_at", nullable = false)
-    val receivedAt: LocalDateTime = LocalDateTime.now(),
+    val receivedAt: LocalDateTime = UtcDateTimes.now(),
     @Column(name = "calculated_at")
     var calculatedAt: LocalDateTime? = null,
     @Column(name = "last_calculated", nullable = false)
     var lastCalculated: Boolean = false
 ) {
-    constructor(request: SatelliteICDTO) : this(
+    constructor(request: SatelliteICDTO, receivedAt: LocalDateTime = UtcDateTimes.now()) : this(
         satelliteId = request.satelliteId,
         movementModel = request.movementModel,
         orbTime = request.ic.orbPoint.time,
@@ -65,10 +66,11 @@ class SatelliteInitialConditionEntity(
         vy = request.ic.orbPoint.vy,
         vz = request.ic.orbPoint.vz,
         sBall = request.ic.sBall,
-        f81 = request.ic.f81
+        f81 = request.ic.f81,
+        receivedAt = receivedAt
     )
 
-    fun markLastCalculated(calculatedAt: LocalDateTime = LocalDateTime.now()) {
+    fun markLastCalculated(calculatedAt: LocalDateTime = UtcDateTimes.now()) {
         this.calculatedAt = calculatedAt
         this.lastCalculated = true
     }

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/service/SatelliteInitialConditionService.kt

@@ -1,6 +1,8 @@
 package space.nstart.pcp.pcp_request_service.service
 
 import org.springframework.stereotype.Service
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
+import java.time.Clock
 import org.springframework.transaction.annotation.Transactional
 import space.nstart.pcp.pcp_request_service.entity.SatelliteInitialConditionEntity
 import space.nstart.pcp.pcp_request_service.repository.SatelliteInitialConditionRepository
@@ -8,17 +10,18 @@ import space.nstart.pcp.pcp_types_lib.dto.ballistics.SatelliteICDTO
 
 @Service
 class SatelliteInitialConditionService(
-    private val satelliteInitialConditionRepository: SatelliteInitialConditionRepository
+    private val satelliteInitialConditionRepository: SatelliteInitialConditionRepository,
+    private val clock: Clock
 ) {
 
     @Transactional
     fun saveReceived(request: SatelliteICDTO): SatelliteInitialConditionEntity =
-        satelliteInitialConditionRepository.save(SatelliteInitialConditionEntity(request))
+        satelliteInitialConditionRepository.save(SatelliteInitialConditionEntity(request, UtcDateTimes.now(clock)))
 
     @Transactional
     fun markLastCalculated(initialCondition: SatelliteInitialConditionEntity) {
         satelliteInitialConditionRepository.clearLastCalculated(initialCondition.satelliteId)
-        initialCondition.markLastCalculated()
+        initialCondition.markLastCalculated(UtcDateTimes.now(clock))
         satelliteInitialConditionRepository.save(initialCondition)
     }
 

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/service/SatelliteService.kt

@@ -44,6 +44,7 @@ import space.nstart.pcp.pcp_request_service.repository.EarthCoverageRepository
 import space.nstart.pcp.pcp_request_service.repository.FlightLineRepository
 import space.nstart.pcp.pcp_request_service.repository.PDCMRepository
 import space.nstart.pcp.pcp_request_service.utils.ContourClipService
+import space.nstart.pcp.pcp_request_service.utils.UtcDateTimes
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.AscNodeDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.ExactTimePositionRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.InitialConditionsDTO
@@ -62,6 +63,7 @@ import space.nstart.pcp.pcp_types_lib.dto.ballistics.SatelliteOrbitAvailabilityD
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.TLEDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.TargetPositionDTO
 import tools.jackson.databind.ObjectMapper
+import java.time.Clock
 import java.time.LocalDateTime
 import kotlin.collections.forEach
 import kotlin.math.PI
@@ -105,6 +107,8 @@ class SatelliteService {
     @Autowired
     private lateinit var stationCatalogClient: StationCatalogClient
 
+    @Autowired
+    private lateinit var clock: Clock
 
     val astro = AstronomerJ2000(EarthType.PZ90d02)
 
@@ -761,8 +765,8 @@ class SatelliteService {
     fun getOrbPoints(id : Long, tn : LocalDateTime?, tk : LocalDateTime?) =
         pdcmRepository.findBySatelliteIdAndTimeBetween(
             id,
-            tn?: LocalDateTime.now(),
-            tk?: LocalDateTime.now().plusDays(1))
+            tn?: UtcDateTimes.now(clock),
+            tk?: UtcDateTimes.now(clock).plusDays(1))
             .map { it.toDTO()
             }
 
@@ -780,8 +784,8 @@ class SatelliteService {
 
     fun getFL(id : Long, tn : LocalDateTime?, tk : LocalDateTime?, step : Double?) =
         flightLineRepository.findBySatelliteIdAndTimeBetween(id,
-            tn?: LocalDateTime.now(),
-            tk?: LocalDateTime.now().plusDays(1)
+            tn?: UtcDateTimes.now(clock),
+            tk?: UtcDateTimes.now(clock).plusDays(1)
         )
             .map { it.toDTO() }
 
@@ -902,8 +906,8 @@ class SatelliteService {
 
         return  ascNodeRepository.findBySatelliteIdAndTimeBetween(
             id,
-            tn ?: LocalDateTime.now(),
-            tk ?: LocalDateTime.now().plusDays(1)
+            tn ?: UtcDateTimes.now(clock),
+            tk ?: UtcDateTimes.now(clock).plusDays(1)
         )
             .map {
                 val keps = calculateKeplerParams(

services/pcp-ballistics-service/src/main/kotlin/space/nstart/pcp/pcp_request_service/utils/UtcDateTimes.kt

@@ -0,0 +1,59 @@
+package space.nstart.pcp.pcp_request_service.utils
+
+import java.time.Clock
+import java.time.Instant
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter
+import java.time.format.DateTimeParseException
+
+/**
+ * UTC boundary helpers for pcp-ballistics-service.
+ *
+ * Domain and database still use LocalDateTime, but every value is treated as an
+ * absolute UTC instant without a stored zone (UTC-naive). Public API values may
+ * be sent either as UTC/offset ISO strings or as legacy naive ISO strings;
+ * offset values are normalized to UTC LocalDateTime.
+ */
+object UtcDateTimes {
+    val UTC: ZoneOffset = ZoneOffset.UTC
+
+    fun now(clock: Clock = Clock.systemUTC()): LocalDateTime =
+        LocalDateTime.ofInstant(clock.instant(), UTC)
+
+    fun parse(value: String): LocalDateTime {
+        val normalized = normalize(value)
+
+        parseOffset(normalized)?.let { return it }
+        parseInstant(normalized)?.let { return it }
+        parseLocal(normalized)?.let { return it }
+
+        throw DateTimeParseException(
+            "Expected ISO-8601 UTC/offset date-time or legacy UTC-naive date-time",
+            value,
+            0
+        )
+    }
+
+    fun format(value: LocalDateTime): String = value.toInstant(UTC).toString()
+
+    private fun normalize(value: String): String {
+        val trimmed = value.trim().replace(Regex(" (\\d{2}:\\d{2})$"), "+\$1")
+        return if (trimmed.length == 16) "$trimmed:00" else trimmed
+    }
+
+    private fun parseOffset(value: String): LocalDateTime? = runCatching {
+        OffsetDateTime.parse(value, DateTimeFormatter.ISO_DATE_TIME)
+            .withOffsetSameInstant(UTC)
+            .toLocalDateTime()
+    }.getOrNull()
+
+    private fun parseInstant(value: String): LocalDateTime? = runCatching {
+        LocalDateTime.ofInstant(Instant.parse(value), UTC)
+    }.getOrNull()
+
+    private fun parseLocal(value: String): LocalDateTime? = runCatching {
+        LocalDateTime.parse(value, DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+    }.getOrNull()
+}

services/pcp-ballistics-service/src/test/kotlin/space/nstart/pcp/pcp_request_service/utils/UtcDateTimesTest.kt

@@ -0,0 +1,40 @@
+package space.nstart.pcp.pcp_request_service.utils
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import java.time.LocalDateTime
+
+class UtcDateTimesTest {
+
+    @Test
+    fun `parses utc instant with z suffix`() {
+        assertEquals(
+            LocalDateTime.of(2026, 6, 17, 6, 28, 27, 334_000_000),
+            UtcDateTimes.parse("2026-06-17T06:28:27.334Z")
+        )
+    }
+
+    @Test
+    fun `normalizes offset date time to utc naive local date time`() {
+        assertEquals(
+            LocalDateTime.of(2026, 6, 17, 6, 28, 27),
+            UtcDateTimes.parse("2026-06-17T09:28:27+03:00")
+        )
+    }
+
+    @Test
+    fun `keeps legacy naive date time as utc naive`() {
+        assertEquals(
+            LocalDateTime.of(2026, 6, 17, 6, 28, 0),
+            UtcDateTimes.parse("2026-06-17T06:28")
+        )
+    }
+
+    @Test
+    fun `formats utc naive date time with z suffix`() {
+        assertEquals(
+            "2026-06-17T06:28:27.334Z",
+            UtcDateTimes.format(LocalDateTime.of(2026, 6, 17, 6, 28, 27, 334_000_000))
+        )
+    }
+}

services/pcp-complex-mission-service/src/main/kotlin/space/nstart/pcp/pcp_satellites_service/configuration/UtcTimeJsonConfiguration.kt

@@ -0,0 +1,51 @@
+package space.nstart.pcp.pcp_satellites_service.configuration
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.reactive.config.WebFluxConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeJsonConfiguration : WebFluxConfigurer {
+
+    @Bean
+    fun complexMissionUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-complex-mission-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-complex-mission-service/src/main/kotlin/space/nstart/pcp/pcp_satellites_service/entity/ComplexPlanRunEntity.kt

@@ -12,6 +12,7 @@ import jakarta.persistence.Id
 import jakarta.persistence.Index
 import jakarta.persistence.OneToMany
 import jakarta.persistence.Table
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 @Entity
@@ -34,7 +35,7 @@ class ComplexPlanRunEntity(
     var status: ComplexPlanRunStatus = ComplexPlanRunStatus.CREATED,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "started_at")
     var startedAt: LocalDateTime? = null,
@@ -46,10 +47,10 @@ class ComplexPlanRunEntity(
     var durationMs: Long? = null,
 
     @Column(name = "interval_start", nullable = false)
-    var intervalStart: LocalDateTime = LocalDateTime.now(),
+    var intervalStart: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "interval_end", nullable = false)
-    var intervalEnd: LocalDateTime = LocalDateTime.now(),
+    var intervalEnd: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "requested_by")
     var requestedBy: String? = null,

services/pcp-complex-mission-service/src/main/kotlin/space/nstart/pcp/pcp_satellites_service/entity/SatelliteModeEntity.kt

@@ -17,6 +17,7 @@ import jakarta.persistence.PreUpdate
 import jakarta.persistence.Table
 import jakarta.persistence.Index
 import space.nstart.pcp.pcp_types_lib.dto.satellite.mission.ModeDataRates
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 @Entity
@@ -46,10 +47,10 @@ class SatelliteModeEntity(
     var type: SatelliteModeType = SatelliteModeType.SURVEY,
 
     @Column(name = "start_time", nullable = false)
-    var startTime: LocalDateTime = LocalDateTime.now(),
+    var startTime: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "end_time", nullable = false)
-    var endTime: LocalDateTime = LocalDateTime.now(),
+    var endTime: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "revolution", nullable = false)
     var revolution: Long = 0,

services/pcp-complex-mission-service/src/main/kotlin/space/nstart/pcp/pcp_satellites_service/entity/SatelliteModeSnapshotEntity.kt

@@ -12,6 +12,7 @@ import jakarta.persistence.JoinColumn
 import jakarta.persistence.ManyToOne
 import jakarta.persistence.OneToMany
 import jakarta.persistence.Table
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 @Entity
@@ -34,13 +35,13 @@ class SatelliteModeSnapshotEntity(
     var satelliteId: Long = 0,
 
     @Column(name = "interval_start", nullable = false)
-    var intervalStart: LocalDateTime = LocalDateTime.now(),
+    var intervalStart: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "interval_end", nullable = false)
-    var intervalEnd: LocalDateTime = LocalDateTime.now(),
+    var intervalEnd: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "is_active", nullable = false)
     var isActive: Boolean = false,

services/pcp-complex-mission-service/src/main/kotlin/space/nstart/pcp/pcp_satellites_service/model/mode/SurveyMode.kt

@@ -2,12 +2,13 @@ package space.nstart.pcp.pcp_satellites_service.model.mode
 
 import space.nstart.pcp.pcp_satellites_service.entity.SatelliteModeSource
 import space.nstart.pcp.pcp_types_lib.dto.satellite.modes.SurveyModeInfoDTO
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 class SurveyMode(
     val revolution : Long = 1,
-    val time : LocalDateTime = LocalDateTime.now(),
-    val timeStop : LocalDateTime = LocalDateTime.now(),
+    val time : LocalDateTime = UtcDateTimes.now(),
+    val timeStop : LocalDateTime = UtcDateTimes.now(),
     val roll : Double = 0.0,
     val latitude : Double = 0.0,
     val longitude : Double = 0.0,

services/pcp-complex-mission-service/src/main/kotlin/space/nstart/pcp/pcp_satellites_service/service/SlotService.kt

@@ -14,6 +14,7 @@ import space.nstart.pcp.pcp_types_lib.dto.requests.slots.BookingRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.requests.slots.SlotDTO
 import space.nstart.pcp.pcp_types_lib.dto.requests.slots.SurveySlotDTO
 import tools.jackson.databind.ObjectMapper
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 @Service
@@ -34,8 +35,8 @@ class SlotService(webClientBuilderProvider: ObjectProvider<WebClient.Builder>) {
                         UriComponentsBuilder
                             .fromUriString("/api/slots/poly-cover")
                             .queryParam("wkt", wkt)
-                            .queryParam("timeStart", tn)
-                            .queryParam("timeStop", tk)
+                            .queryParam("timeStart", UtcDateTimes.format(tn))
+                            .queryParam("timeStop", UtcDateTimes.format(tk))
                             .queryParam("cov", cov)
                             .apply {
                                 sats.forEach { queryParam("satellites", it) }
@@ -49,8 +50,8 @@ class SlotService(webClientBuilderProvider: ObjectProvider<WebClient.Builder>) {
                     .uri(
                         "/api/slots/poly-cover?wkt={wkt}&timeStart={timeStart}&timeStop={timeStop}&revSign={revSign}&cov={cov}",
                         wkt,
-                        tn,
-                        tk,
+                        UtcDateTimes.format(tn),
+                        UtcDateTimes.format(tk),
                         sign,
                         cov
                     )
@@ -71,8 +72,8 @@ class SlotService(webClientBuilderProvider: ObjectProvider<WebClient.Builder>) {
             .uri(
                 "/api/slots/mission/satellite?satellite_id={satelliteId}&timeStart={timeStart}&timeStop={timeStop}",
                 id,
-                tn,
-                tk
+                UtcDateTimes.format(tn),
+                UtcDateTimes.format(tk)
             )
             .retrieve()
             .onStatus({ status -> status.isError }) { response ->

services/pcp-coverage-scheme-service/src/main/kotlin/space/nstart/pcp/pcp_coverage_scheme_service/client/BallisticsClient.kt

@@ -16,6 +16,7 @@ import space.nstart.pcp.pcp_types_lib.dto.ballistics.ObjViewRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.OrbPointDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.PointViewParamDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.SquareViewParamDTO
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.Duration
 import java.time.LocalDateTime
 
@@ -82,8 +83,8 @@ class BallisticsClient(
             .uri { uriBuilder ->
                 uriBuilder
                     .path("/api/satellites/{satelliteId}/flight-line")
-                    .queryParam("time_start", timeStart)
-                    .queryParam("time_stop", timeStop)
+                    .queryParam("time_start", UtcDateTimes.format(timeStart))
+                    .queryParam("time_stop", UtcDateTimes.format(timeStop))
                     .build(satelliteId)
             }
             .retrieve()

services/pcp-coverage-scheme-service/src/main/kotlin/space/nstart/pcp/pcp_coverage_scheme_service/configuration/UtcTimeConfiguration.kt

@@ -0,0 +1,55 @@
+package space.nstart.pcp.pcp_coverage_scheme_service.configuration
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    fun coverageSchemeUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-coverage-scheme-service-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/JacksonConfig.kt

@@ -1,11 +1,21 @@
 package space.nstart.pcp.complan
 
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import com.fasterxml.jackson.databind.JsonSerializer
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.SerializationFeature
+import com.fasterxml.jackson.databind.SerializerProvider
+import com.fasterxml.jackson.databind.module.SimpleModule
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
 import com.fasterxml.jackson.module.kotlin.registerKotlinModule
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.LocalDateTime
+
 @Configuration
 class JacksonConfig {
 
@@ -13,8 +23,26 @@ class JacksonConfig {
     fun objectMapper(): ObjectMapper {
         val mapper = ObjectMapper()
         mapper.registerModule(JavaTimeModule())
+            .registerModule(utcLocalDateTimeModule())
             .registerKotlinModule()
             .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
         return mapper
     }
 }
+
+private fun utcLocalDateTimeModule(): SimpleModule = SimpleModule("pcp-dynamic-plan-service-jackson2-utc-local-date-time")
+    .addSerializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeSerializer())
+    .addDeserializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeDeserializer())
+
+private class Jackson2UtcLocalDateTimeSerializer : JsonSerializer<LocalDateTime>() {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, serializers: SerializerProvider) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class Jackson2UtcLocalDateTimeDeserializer : JsonDeserializer<LocalDateTime>() {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/apl/BasicPlanCalculator.kt

@@ -58,6 +58,7 @@ import kotlin.math.abs
 import kotlin.math.max
 import kotlin.math.roundToLong
 import kotlin.math.sin
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 private const val INTERVAL_COVERAGE_AREA_TOLERANCE = 1.0e-9
 private const val INTERVAL_ROUTE_WIDTH_RATIO = 0.9
@@ -841,7 +842,7 @@ class BasicPlanCalculator(
         val resultFilePath = if (request.saveResultToFile && status == ComplexPlanCalculationStatus.COMPLETED) {
             observationParametersDebugFileWriter.write(
                 ObservationParametersDebugFileDTO(
-                    createdAt = LocalDateTime.now(),
+                    createdAt = UtcDateTimes.now(),
                     requestId = request.requestId,
                     satelliteIds = selectedSatelliteIds,
                     missingSatelliteIds = missingSatelliteIds,

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/config/UtcTimeConfiguration.kt

@@ -0,0 +1,55 @@
+package space.nstart.pcp.complan.config
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    fun dynamicPlanUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-dynamic-plan-service-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/db/entity/DynamicPlanRouteEntity.kt

@@ -11,6 +11,7 @@ import jakarta.persistence.ManyToOne
 import jakarta.persistence.Table
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 @Table(name = "dynamic_plan_route")
 @Entity
@@ -31,10 +32,10 @@ class DynamicPlanRouteEntity(
     var satelliteId: Long = 0,
 
     @Column(name = "start_time", nullable = false)
-    var startTime: LocalDateTime = LocalDateTime.now(),
+    var startTime: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "end_time", nullable = false)
-    var endTime: LocalDateTime = LocalDateTime.now(),
+    var endTime: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "duration", nullable = false)
     var duration: Double = 0.0,

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/db/entity/DynamicPlanRunEntity.kt

@@ -11,6 +11,7 @@ import space.nstart.pcp.complan.types.DynamicPlanRevolutionMode
 import space.nstart.pcp.complan.types.DynamicPlanRunStatus
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 @Table(name = "dynamic_plan_run")
 @Entity
@@ -47,7 +48,7 @@ class DynamicPlanRunEntity(
     var filterCoveredRoutes: Boolean = false,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "started_at")
     var startedAt: LocalDateTime? = null,

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/service/BallTaskServce.kt

@@ -10,10 +10,10 @@ import space.nstart.pcp.complan.types.ObjViewRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.ExactTimePositionRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.FlightLineDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.ObjDTO as BallisticsObjDTO
-import space.nstart.pcp.pcp_types_lib.dto.ballistics.ObjViewRequestDTO as BallisticsObjViewRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.OrbPointDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.SatelliteOrbitAvailabilityDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.SquareViewParamDTO
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 /**Получение данных от сервиса баллистики*/
@@ -39,7 +39,7 @@ class BallTaskServce {
                 UriComponentsBuilder
                     .fromUriString(ballisticsServiceUrl)
                     .path("/api/satellites/orbit/availability")
-                    .apply { time?.let { queryParam("time", it) } }
+                    .apply { time?.let { queryParam("time", UtcDateTimes.format(it)) } }
                     .toUriString()
             )
             .retrieve()
@@ -53,8 +53,8 @@ class BallTaskServce {
                 UriComponentsBuilder
                     .fromUriString(ballisticsServiceUrl)
                     .path("/api/satellites/$noradId/flight-line")
-                    .queryParam("time_start", timeStart)
-                    .queryParam("time_stop", timeStop)
+                    .queryParam("time_start", UtcDateTimes.format(timeStart))
+                    .queryParam("time_stop", UtcDateTimes.format(timeStop))
                     .toUriString()
             )
             .retrieve()
@@ -65,7 +65,13 @@ class BallTaskServce {
         RestClient.create()
             .post()
             .uri(buildBallisticsUri("/api/satellites/$noradId/extract-time"))
-            .body(request)
+            .body(
+                mapOf(
+                    "time" to UtcDateTimes.format(request.time),
+                    "timeStop" to request.timeStop?.let { UtcDateTimes.format(it) },
+                    "stepMs" to request.stepMs
+                )
+            )
             .retrieve()
             .body(ORB_POINT_LIST_TYPE)
             .orEmpty()
@@ -80,16 +86,16 @@ class BallTaskServce {
                 .post()
                 .uri(buildBallisticsUri("/api/obj-view/mpl-square"))
                 .body(
-                    BallisticsObjViewRequestDTO(
-                        satellites = satellites,
-                        timeStart = timeStart,
-                        timeStop = timeStop,
-                        obj = BallisticsObjDTO(
+                    mapOf(
+                        "satellites" to satellites,
+                        "timeStart" to UtcDateTimes.format(timeStart),
+                        "timeStop" to UtcDateTimes.format(timeStop),
+                        "obj" to BallisticsObjDTO(
                             id = obj.id.toString(),
                             position = obj.position,
                             contourWKT = obj.contourWKT
                         ),
-                        sunAngleMin = objects.sunAngleMin
+                        "sunAngleMin" to objects.sunAngleMin
                     )
                 )
                 .retrieve()

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/service/DynamicPlanRunService.kt

@@ -28,6 +28,7 @@ import java.time.LocalDateTime
 import java.util.UUID
 import java.util.concurrent.ExecutorService
 import kotlin.math.roundToLong
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 @Service
 class DynamicPlanRunService(
@@ -59,7 +60,7 @@ class DynamicPlanRunService(
                     calculationMode = request.calculationMode,
                     revolutionMode = request.revolutionMode,
                     filterCoveredRoutes = request.filterCoveredRoutes,
-                    createdAt = LocalDateTime.now()
+                    createdAt = UtcDateTimes.now()
                 )
             )
         } ?: throw ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, "Failed to create calculation run")
@@ -135,7 +136,7 @@ class DynamicPlanRunService(
                 return@execute 0
             }
 
-            val finishedAt = LocalDateTime.now()
+            val finishedAt = UtcDateTimes.now()
             runs.forEach { run ->
                 run.status = DynamicPlanRunStatus.FAILED
                 run.finishedAt = finishedAt
@@ -171,7 +172,7 @@ class DynamicPlanRunService(
         transactionTemplate.execute {
             val run = runRepository.findById(runId).orElse(null) ?: return@execute null
             run.status = DynamicPlanRunStatus.RUNNING
-            run.startedAt = LocalDateTime.now()
+            run.startedAt = UtcDateTimes.now()
             run.errorMessage = null
             runRepository.save(run)
             run.toRequest()
@@ -182,7 +183,7 @@ class DynamicPlanRunService(
             val run = runRepository.findById(runId).orElseThrow()
             val result = output.result
             run.status = DynamicPlanRunStatus.COMPLETED
-            run.finishedAt = LocalDateTime.now()
+            run.finishedAt = UtcDateTimes.now()
             run.durationMs = result.durationMs
             run.resultStatus = result.status.name
             run.routesCount = result.routesCount
@@ -200,7 +201,7 @@ class DynamicPlanRunService(
         transactionTemplate.execute {
             val run = runRepository.findById(runId).orElseThrow()
             run.status = DynamicPlanRunStatus.FAILED
-            run.finishedAt = LocalDateTime.now()
+            run.finishedAt = UtcDateTimes.now()
             run.errorMessage = error.message ?: error::class.java.simpleName
             runRepository.save(run)
         }

services/pcp-dynamic-plan-service/src/main/kotlin/space/nstart/pcp/complan/spacecraft/SpaceCraft.kt

@@ -6,6 +6,7 @@ import org.locationtech.jts.geom.LineString
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.FlightLineDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.RevolutionSign
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Класс космического аппарата**
@@ -17,9 +18,9 @@ class SpaceCraft (
     val flightLine : MutableList<FlightLineDTO> = mutableListOf()
 
     /**Время начала планирования аппарата*/
-    var timeStart: LocalDateTime = LocalDateTime.now()
+    var timeStart: LocalDateTime = UtcDateTimes.now()
     /**Время конца планирования аппарата*/
-    var timeStop : LocalDateTime = LocalDateTime.now()
+    var timeStop : LocalDateTime = UtcDateTimes.now()
 /**
  * Создание линий полета восходящего и нисходящего витка
  * @param geomFactory фабрика геометрии

services/pcp-mission-planing-service/src/main/kotlin/space/nstart/pcp/pcp_mission_planing_service/configuration/Jackson2UtcConfiguration.kt

@@ -0,0 +1,41 @@
+package space.nstart.pcp.pcp_mission_planing_service.configuration
+
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import com.fasterxml.jackson.databind.JsonSerializer
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.SerializerProvider
+import com.fasterxml.jackson.databind.module.SimpleModule
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.LocalDateTime
+
+@Configuration
+class Jackson2UtcConfiguration {
+
+    @Bean
+    fun jackson2ObjectMapper(): ObjectMapper = jacksonObjectMapper()
+        .findAndRegisterModules()
+        .registerModule(utcLocalDateTimeModule())
+}
+
+private fun utcLocalDateTimeModule(): SimpleModule = SimpleModule("pcp-mission-planing-service-jackson2-utc-local-date-time")
+    .addSerializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeSerializer())
+    .addDeserializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeDeserializer())
+
+private class Jackson2UtcLocalDateTimeSerializer : JsonSerializer<LocalDateTime>() {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, serializers: SerializerProvider) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class Jackson2UtcLocalDateTimeDeserializer : JsonDeserializer<LocalDateTime>() {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-mission-planing-service/src/main/kotlin/space/nstart/pcp/pcp_mission_planing_service/configuration/UtcTimeConfiguration.kt

@@ -0,0 +1,55 @@
+package space.nstart.pcp.pcp_mission_planing_service.configuration
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    fun missionPlaningUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-mission-planing-service-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-mission-planing-service/src/main/kotlin/space/nstart/pcp/pcp_mission_planing_service/service/BallisticsService.kt

@@ -13,6 +13,7 @@ import space.nstart.pcp.pcp_types_lib.dto.ballistics.PointViewParamDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.RadioVisibilityAreaDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.SquareViewParamDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.SquareViewParamsWithPointsDTO
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
 
 
@@ -55,8 +56,8 @@ class BallisticsService(webClientBuilderProvider: ObjectProvider<WebClient.Build
             .get()
             .uri("/api/satellites/{id}/rva?time_start={time_start}&time_stop={time_stop}",
                 id,
-                tn,
-                tk)
+                UtcDateTimes.format(tn),
+                UtcDateTimes.format(tk))
             .retrieve()
             .bodyToFlux<RadioVisibilityAreaDTO>()
             .toIterable()

services/pcp-mission-planing-service/src/main/kotlin/space/nstart/pcp/pcp_mission_planing_service/service/BookedSlotsEventPublisher.kt

@@ -13,8 +13,9 @@ import space.nstart.pcp.pcp_types_lib.dto.requests.slots.BookedSlotStatus
 import space.nstart.pcp.pcp_types_lib.dto.requests.slots.BookedSlotsStatusChangedEvent
 import space.nstart.pcp.pcp_types_lib.message.KafkaMessage
 import space.nstart.pcp.pcp_types_lib.message.PcpKafkaEvent
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.nio.charset.StandardCharsets
-import java.time.LocalDateTime
+import java.time.Clock
 import java.util.UUID
 
 @Component
@@ -26,7 +27,8 @@ class BookedSlotsEventPublisher(
     kafkaTemplateProvider: ObjectProvider<KafkaTemplate<String, Any>>,
     objectMapperProvider: ObjectProvider<ObjectMapper>,
     @Value("\${app.kafka.topics.booked-slots:pcp.booked-slots}") private val topic: String,
-    @Value("\${spring.application.name:pcp-mission-planing-service}") private val applicationName: String
+    @Value("\${spring.application.name:pcp-mission-planing-service}") private val applicationName: String,
+    private val clock: Clock = Clock.systemUTC()
 ) {
 
     private val logger = LoggerFactory.getLogger(this::class.java)
@@ -59,7 +61,7 @@ class BookedSlotsEventPublisher(
         val event = BookedSlotsStatusChangedEvent(
             bookedSlotIds = normalizedIds,
             status = status,
-            occurredAt = LocalDateTime.now(),
+            occurredAt = UtcDateTimes.now(clock),
             sourceService = applicationName,
             missionId = missionId,
             modeId = modeId,

services/pcp-mission-planing-service/src/main/kotlin/space/nstart/pcp/pcp_mission_planing_service/service/ComplexMissionService.kt

@@ -10,6 +10,7 @@ import reactor.core.publisher.Mono
 import space.nstart.pcp.pcp_types_lib.configuration.CustomErrorException
 import space.nstart.pcp.pcp_types_lib.dto.satellite.mission.SatelliteModeResponseDTO
 import space.nstart.pcp.pcp_types_lib.dto.satellite.mission.SatelliteModeSnapshotResponseDTO
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import tools.jackson.databind.ObjectMapper
 import java.time.LocalDateTime
 
@@ -70,8 +71,8 @@ class ComplexMissionService(webClientBuilderProvider: ObjectProvider<WebClient.B
             .uri(
                 "/api/satellites/snapshots/{snapshotId}/modes?intervalStart={intervalStart}&intervalEnd={intervalEnd}",
                 snapshotId,
-                intervalStart,
-                intervalEnd
+                UtcDateTimes.format(intervalStart),
+                UtcDateTimes.format(intervalEnd)
             )
             .retrieve()
             .onStatus({ status -> status.isError }) { response ->

services/pcp-mission-planing-service/src/main/kotlin/space/nstart/pcp/pcp_mission_planing_service/service/MissionPlaningService.kt

@@ -60,6 +60,8 @@ import space.nstart.pcp.pcp_types_lib.dto.ballistics.ObjViewRequestDTO
 import space.nstart.pcp.pcp_types_lib.dto.ballistics.PositionDTO
 import space.nstart.pcp.pcp_types_lib.dto.requests.slots.BookedSlotStatus
 import space.nstart.pcp.pcp_types_lib.dto.satellite.mission.SatelliteModeResponseDTO
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.Clock
 import java.time.Duration
 import java.time.LocalDateTime
 import java.util.UUID
@@ -81,6 +83,7 @@ class MissionPlaningService(
     private val complexMissionService: ComplexMissionService,
     private val satelliteCatalogClient: SatelliteCatalogClient,
     private val satelliteMissionTypeFactory: SatelliteMissionTypeFactory,
+    private val clock: Clock = Clock.systemUTC(),
     private val logger: Logger = LoggerFactory.getLogger(MissionPlaningService::class.java)
 ) {
 
@@ -432,7 +435,7 @@ class MissionPlaningService(
         overrideIntervalEnd: LocalDateTime? = null,
         comPlanSnapshotId: Long? = null
     ): MissionSurveyCalculationResponseDTO {
-        val startedAt = LocalDateTime.now()
+        val startedAt = UtcDateTimes.now(clock)
         logger.info(
             "Расчет плана съемки stage 5 по persisted snapshot этапа 4 для миссии {}: requestedComPlanSnapshotId={}",
             missionId,
@@ -520,7 +523,7 @@ class MissionPlaningService(
         )
 
         if (survs.isEmpty()) {
-            val finishedAt = LocalDateTime.now()
+            val finishedAt = UtcDateTimes.now(clock)
             return MissionSurveyCalculationResponseDTO(
                 missionId = missionId,
                 completed = true,
@@ -565,7 +568,7 @@ class MissionPlaningService(
             modeBookings.size
         )
 
-        val finishedAt = LocalDateTime.now()
+        val finishedAt = UtcDateTimes.now(clock)
         return MissionSurveyCalculationResponseDTO(
             missionId = missionId,
             completed = true,

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/config/JacksonConfig.kt

@@ -1,10 +1,19 @@
 package org.nstart.dep265.requestservice.config
 
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import com.fasterxml.jackson.databind.JsonSerializer
 import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.SerializerProvider
+import com.fasterxml.jackson.databind.module.SimpleModule
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.LocalDateTime
 
 @Configuration
 class JacksonConfig {
@@ -18,5 +27,23 @@ class JacksonConfig {
         return jacksonObjectMapper()
             .registerModule(JavaTimeModule())
             .findAndRegisterModules()
+            .registerModule(utcLocalDateTimeModule())
+    }
+
+    private fun utcLocalDateTimeModule(): SimpleModule = SimpleModule("pcp-request-service-jackson2-utc-local-date-time")
+        .addSerializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeSerializer())
+        .addDeserializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeDeserializer())
+}
+
+private class Jackson2UtcLocalDateTimeSerializer : JsonSerializer<LocalDateTime>() {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, serializers: SerializerProvider) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class Jackson2UtcLocalDateTimeDeserializer : JsonDeserializer<LocalDateTime>() {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
     }
 }

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/config/UtcTimeConfiguration.kt

@@ -0,0 +1,55 @@
+package org.nstart.dep265.requestservice.config
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    fun requestServiceUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-request-service-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/controller/RequestController.kt

@@ -12,7 +12,6 @@ import org.nstart.dep265.requestservice.dto.RequestStatusDto
 import org.nstart.dep265.requestservice.dto.RequestWithCellsResponseDto
 import org.nstart.dep265.requestservice.dto.SurveyTypeDto
 import org.nstart.dep265.requestservice.service.RequestService
-import org.springframework.format.annotation.DateTimeFormat
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.DeleteMapping
 import org.springframework.web.bind.annotation.GetMapping
@@ -41,10 +40,10 @@ class RequestController(
         @RequestParam(required = false) surveyType: SurveyTypeDto?,
         @RequestParam(required = false) kpp: Int?,
         @RequestParam(required = false) highPriorityTransmit: Boolean?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) beginFrom: LocalDateTime?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) beginTo: LocalDateTime?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) endFrom: LocalDateTime?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) endTo: LocalDateTime?,
+        @RequestParam(required = false) beginFrom: LocalDateTime?,
+        @RequestParam(required = false) beginTo: LocalDateTime?,
+        @RequestParam(required = false) endFrom: LocalDateTime?,
+        @RequestParam(required = false) endTo: LocalDateTime?,
         @RequestParam(defaultValue = "false") includeDeleted: Boolean,
         @RequestParam(defaultValue = "0") page: Int,
         @RequestParam(defaultValue = "50") size: Int,
@@ -73,10 +72,10 @@ class RequestController(
         @RequestParam(required = false) surveyType: SurveyTypeDto?,
         @RequestParam(required = false) kpp: Int?,
         @RequestParam(required = false) highPriorityTransmit: Boolean?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) beginFrom: LocalDateTime?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) beginTo: LocalDateTime?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) endFrom: LocalDateTime?,
-        @RequestParam(required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) endTo: LocalDateTime?,
+        @RequestParam(required = false) beginFrom: LocalDateTime?,
+        @RequestParam(required = false) beginTo: LocalDateTime?,
+        @RequestParam(required = false) endFrom: LocalDateTime?,
+        @RequestParam(required = false) endTo: LocalDateTime?,
         @RequestParam(defaultValue = "false") includeDeleted: Boolean,
         @RequestParam(defaultValue = "0") page: Int,
         @RequestParam(defaultValue = "50") size: Int,

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/service/GridRebuildService.kt

@@ -7,6 +7,8 @@ import org.nstart.dep265.requestservice.repository.RequestCellRepository
 import org.nstart.dep265.requestservice.repository.RequestRepository
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.Clock
 import java.time.LocalDateTime
 
 class GridRebuildAlreadyRunningException : RuntimeException("Grid rebuild is already running")
@@ -20,6 +22,7 @@ class GridRebuildService(
     private val requestGridProjectionService: RequestGridProjectionService,
     private val earthCellRepository: EarthCellRepository,
     private val gridRebuildLockService: GridRebuildLockService,
+    private val clock: Clock = Clock.systemUTC(),
 ) {
     @Transactional
     fun rebuildGrid(): GridRebuildResponseDto {
@@ -40,7 +43,7 @@ class GridRebuildService(
         return GridRebuildResponseDto(
             cellsCount = earthCellRepository.count(),
             rebuiltRequestProjectionsCount = activeRequests.size.toLong(),
-            rebuiltAt = LocalDateTime.now(),
+            rebuiltAt = UtcDateTimes.now(clock),
         )
     }
 

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/service/OutboxPublisherService.kt

@@ -11,6 +11,8 @@ import org.springframework.scheduling.annotation.Scheduled
 import org.springframework.stereotype.Service
 import org.springframework.transaction.support.TransactionCallback
 import org.springframework.transaction.support.TransactionOperations
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.Clock
 import java.time.Duration
 import java.time.LocalDateTime
 import java.util.concurrent.ExecutionException
@@ -25,6 +27,7 @@ class OutboxPublisherService(
 
     @param:Qualifier("outboxTransactionOperations")
     private val transactionOperations: TransactionOperations,
+    private val clock: Clock = Clock.systemUTC(),
 ) {
     private val log = LoggerFactory.getLogger(this::class.java)
 
@@ -42,7 +45,7 @@ class OutboxPublisherService(
         return try {
             transactionOperations.execute(
                 TransactionCallback {
-                    val now = LocalDateTime.now()
+                    val now = UtcDateTimes.now(clock)
                     val events = outboxEventRepository.findPublishableForUpdateSkipLocked(
                         eventType = RequestStatusOutboxService.REQUEST_STATUS_EVENT_TYPE,
                         now = now,

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/service/RequestExpiryService.kt

@@ -9,6 +9,8 @@ import org.springframework.scheduling.annotation.Scheduled
 import org.springframework.stereotype.Service
 import org.springframework.transaction.support.TransactionCallback
 import org.springframework.transaction.support.TransactionOperations
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.Clock
 import java.time.LocalDateTime
 
 /**
@@ -33,6 +35,7 @@ class RequestExpiryService(
 
     @param:Qualifier("requestExpiryTransactionOperations")
     private val transactionOperations: TransactionOperations,
+    private val clock: Clock = Clock.systemUTC(),
 ) {
     private val log = LoggerFactory.getLogger(this::class.java)
 
@@ -55,7 +58,7 @@ class RequestExpiryService(
             return 0
         }
         val maxBatches = requestExpiryProperties.maxBatchesPerRun.coerceAtLeast(1)
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now(clock)
 
         var expiredTotal = 0
         var batchIndex = 0

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/service/RequestService.kt

@@ -38,6 +38,8 @@ import org.springframework.data.domain.PageRequest
 import org.springframework.data.domain.Sort
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.Clock
 import java.time.LocalDateTime
 import java.util.UUID
 
@@ -53,6 +55,7 @@ class RequestService(
     private val requestGridProjectionService: RequestGridProjectionService,
     private val requestLifecycleService: RequestLifecycleService,
     private val entityManager: EntityManager,
+    private val clock: Clock = Clock.systemUTC(),
 ) {
     @Transactional
     fun createRequest(request: CreateRequestDto): CreateRequestResponseDto {
@@ -65,7 +68,7 @@ class RequestService(
             "beginDateTime должен быть раньше endDateTime"
         }
 
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now(clock)
         val normalizedGeometry = geometryService.parsePolygonalGeometry(request.geometry)
         val normalizedGeometryWkt = geometryService.toWkt(normalizedGeometry)
         val geometryArea = geometryService.area(normalizedGeometry)
@@ -159,7 +162,7 @@ class RequestService(
     @Transactional
     fun deleteRequest(id: UUID): DeleteRequestResponseDto? {
         val request = requestRepository.findById(id).orElse(null) ?: return null
-        val deletedAt = request.deletedAt ?: LocalDateTime.now()
+        val deletedAt = request.deletedAt ?: UtcDateTimes.now(clock)
         request.status = RequestStatus.DELETED
         request.deletedAt = deletedAt
         request.updatedAt = deletedAt

services/pcp-request-service/src/main/kotlin/org/nstart/dep265/requestservice/service/RouteMatchingService.kt

@@ -14,6 +14,8 @@ import org.springframework.dao.DuplicateKeyException
 import org.springframework.stereotype.Service
 import org.springframework.transaction.support.TransactionCallback
 import org.springframework.transaction.support.TransactionOperations
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.Clock
 import java.time.LocalDateTime
 import java.util.UUID
 import kotlin.math.max
@@ -35,6 +37,7 @@ class RouteMatchingService(
 
     @param:Qualifier("routeMatchingTransactionOperations")
     private val routeMatchingTransactionOperations: TransactionOperations,
+    private val clock: Clock = Clock.systemUTC(),
 ) {
     private val log = LoggerFactory.getLogger(this::class.java)
 
@@ -43,7 +46,7 @@ class RouteMatchingService(
 
         val routeId = route.routeId
         val routeRollRange = route.rollAngle
-        val matchedAt: LocalDateTime = LocalDateTime.now()
+        val matchedAt: LocalDateTime = UtcDateTimes.now(clock)
         val routeGeometry = geometryService.parsePolygonalGeometry(route.geometry)
 
         val candidateRequestIds = requestRepository.findRequestIdsForRoute(

services/pcp-route-processing-service/src/main/kotlin/space/nstart/pcp/routepassportconsumer/config/UtcTimeConfiguration.kt

@@ -0,0 +1,55 @@
+package space.nstart.pcp.routepassportconsumer.config
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    fun routeProcessingUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-route-processing-service-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-route-processing-service/src/main/kotlin/space/nstart/pcp/routepassportconsumer/service/RoutePassportIngestionService.kt

@@ -18,6 +18,7 @@ import com.fasterxml.jackson.databind.ObjectMapper as JpaJsonObjectMapper
 import tools.jackson.databind.ObjectMapper
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Сохраняет разобранный route passport и outbox-события в одной DB transaction.
@@ -38,7 +39,7 @@ class RoutePassportIngestionService(
         rawPayload: String,
         sourceRecord: RoutePassportSourceRecordMetadata,
     ) {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val routePassportDto = parsedMessage.routePassportDto
         val existingRoutePassport = routePassportRepository.findById(routePassportDto.routeId)
         val routeCreated = existingRoutePassport.isEmpty

services/pcp-route-processing-service/src/main/kotlin/space/nstart/pcp/routepassportconsumer/service/RoutePassportJsonParserService.kt

@@ -8,11 +8,11 @@ import space.nstart.pcp.pcp_types_lib.dto.routes.RawPassportEnvelopeDto
 import space.nstart.pcp.pcp_types_lib.dto.routes.RoutePassportDto
 import space.nstart.pcp.pcp_types_lib.dto.routes.RoutePassportMessageMetadata
 import space.nstart.pcp.routepassportconsumer.exception.RoutePassportContractException
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import tools.jackson.core.JacksonException
 import tools.jackson.databind.ObjectMapper
 import java.math.BigDecimal
 import java.nio.charset.StandardCharsets
-import java.time.LocalDateTime
 import java.util.UUID
 
 /**
@@ -63,8 +63,8 @@ class RoutePassportJsonParserService(
             routeNameShort = collection,
             orbitNumber = properties.orbitNumber.toLong(),
             orbitState = properties.orbitState,
-            intervalBegin = LocalDateTime.parse(properties.intervalBegin),
-            intervalEnd = LocalDateTime.parse(properties.intervalEnd),
+            intervalBegin = UtcDateTimes.parse(properties.intervalBegin),
+            intervalEnd = UtcDateTimes.parse(properties.intervalEnd),
             rollAngle = properties.rollAngle.toAngleRangeDto(fieldName = "rollAngle"),
             visirAngle = properties.visirAngle.toAngleRangeDto(fieldName = "visirAngle"),
             resolutionRange = properties.resolutionRange.toBigDecimal(),

services/pcp-route-processing-service/src/main/kotlin/space/nstart/pcp/routepassportconsumer/service/RoutePassportOutboxService.kt

@@ -10,6 +10,7 @@ import space.nstart.pcp.routepassportconsumer.repository.RoutePassportOutboxRepo
 import java.time.Duration
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Owns transactional claim and status transitions for route passport outbox rows.
@@ -32,7 +33,7 @@ class RoutePassportOutboxService(
             return emptyList()
         }
 
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val lockedUntil = now.plus(Duration.ofMillis(outboxProperties.lockTimeoutMs))
         val claimedRows = routePassportOutboxRepository.findDueForUpdateSkipLocked(outboxProperties.batchSize)
 
@@ -70,7 +71,7 @@ class RoutePassportOutboxService(
      */
     @Transactional
     fun markPublished(outboxId: UUID) {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val outbox = findOutbox(outboxId)
 
         outbox.status = RoutePassportOutboxStatus.PUBLISHED
@@ -99,7 +100,7 @@ class RoutePassportOutboxService(
      */
     @Transactional
     fun markRetryOrFailed(outboxId: UUID, exception: Exception) {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val outbox = findOutbox(outboxId)
 
         outbox.attempts += 1

services/pcp-satellite-catalog-service/src/main/kotlin/space/nstart/pcp/pcp_satellite_catalog_service/configuration/UtcTimeConfiguration.kt

@@ -0,0 +1,55 @@
+package space.nstart.pcp.pcp_satellite_catalog_service.configuration
+
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    fun satelliteCatalogUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-satellite-catalog-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/config/CamundaJacksonConfig.kt

@@ -1,15 +1,24 @@
 package space.nstart.pcp_tgu_service.config
 
 /** Настраивает Jackson-сериализацию для payload'ов клиента Camunda. */
+import com.fasterxml.jackson.core.JsonGenerator
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import com.fasterxml.jackson.databind.JsonSerializer
 import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.SerializerProvider
 import com.fasterxml.jackson.databind.SerializationFeature
 import com.fasterxml.jackson.databind.json.JsonMapper
+import com.fasterxml.jackson.databind.module.SimpleModule
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
 import com.fasterxml.jackson.module.kotlin.KotlinModule
 import io.camunda.client.api.JsonMapper as CamundaJsonMapper
 import io.camunda.client.impl.CamundaObjectMapper
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import java.time.LocalDateTime
 
 @Configuration
 class CamundaJacksonConfig {
@@ -24,6 +33,7 @@ class CamundaJacksonConfig {
         return JsonMapper.builder()
             .addModule(KotlinModule.Builder().build())
             .addModule(JavaTimeModule())
+            .addModule(jackson2UtcLocalDateTimeModule())
             .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
             .build()
     }
@@ -34,3 +44,21 @@ class CamundaJacksonConfig {
         return CamundaObjectMapper(objectMapper)
     }
 }
+
+
+private fun jackson2UtcLocalDateTimeModule(): SimpleModule = SimpleModule("pcp-tgu-service-jackson2-utc-local-date-time")
+    .addSerializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeSerializer())
+    .addDeserializer(LocalDateTime::class.java, Jackson2UtcLocalDateTimeDeserializer())
+
+private class Jackson2UtcLocalDateTimeSerializer : JsonSerializer<LocalDateTime>() {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, serializers: SerializerProvider) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class Jackson2UtcLocalDateTimeDeserializer : JsonDeserializer<LocalDateTime>() {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/config/UtcTimeConfiguration.kt

@@ -0,0 +1,68 @@
+package space.nstart.pcp_tgu_service.config
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
+import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.core.convert.converter.Converter
+import org.springframework.format.FormatterRegistry
+import org.springframework.web.reactive.function.client.WebClient
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
+import tools.jackson.core.JsonGenerator
+import tools.jackson.core.JsonParser
+import tools.jackson.databind.DeserializationContext
+import tools.jackson.databind.SerializationContext
+import tools.jackson.databind.deser.std.StdDeserializer
+import tools.jackson.databind.module.SimpleModule
+import tools.jackson.databind.ser.std.StdSerializer
+import java.time.Clock
+import java.time.LocalDateTime
+
+/**
+ * UTC contract for REST JSON and query parameters.
+ *
+ * Domain/JPA models still keep LocalDateTime as UTC-naive values. External API accepts explicit
+ * UTC/offset strings and legacy naive strings, normalizes offsets to UTC, and writes responses
+ * as ISO-8601 UTC strings with Z.
+ */
+@Configuration
+class UtcTimeConfiguration : WebMvcConfigurer {
+
+    @Bean
+    fun clock(): Clock = Clock.systemUTC()
+
+    @Bean
+    @ConditionalOnMissingBean(WebClient.Builder::class)
+    fun webClientBuilder(): WebClient.Builder = WebClient.builder()
+
+    @Bean
+    fun tguUtcLocalDateTimeCustomizer(): JsonMapperBuilderCustomizer = JsonMapperBuilderCustomizer { builder ->
+        builder.addModule(
+            SimpleModule("pcp-tgu-service-utc-local-date-time")
+                .addSerializer(LocalDateTime::class.java, UtcLocalDateTimeSerializer())
+                .addDeserializer(LocalDateTime::class.java, UtcLocalDateTimeDeserializer())
+        )
+    }
+
+    override fun addFormatters(registry: FormatterRegistry) {
+        registry.addConverter(UtcLocalDateTimeQueryParamConverter())
+    }
+}
+
+private class UtcLocalDateTimeQueryParamConverter : Converter<String, LocalDateTime> {
+    override fun convert(source: String): LocalDateTime = UtcDateTimes.parse(source)
+}
+
+private class UtcLocalDateTimeSerializer : StdSerializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun serialize(value: LocalDateTime, gen: JsonGenerator, ctxt: SerializationContext) {
+        gen.writeString(UtcDateTimes.format(value))
+    }
+}
+
+private class UtcLocalDateTimeDeserializer : StdDeserializer<LocalDateTime>(LocalDateTime::class.java) {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): LocalDateTime {
+        val value = p.valueAsString ?: throw IllegalArgumentException("Expected ISO-8601 UTC date-time string")
+        return UtcDateTimes.parse(value)
+    }
+}

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/controller/TestTguController.kt

@@ -1,7 +1,6 @@
 package space.nstart.pcp_tgu_service.controller
 
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty
-import org.springframework.format.annotation.DateTimeFormat
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
@@ -90,12 +89,8 @@ class TestTguController(
     @GetMapping("/external-points/{noradId}")
     fun getExternalPoints(
         @PathVariable noradId: Long,
-        @RequestParam("time_start")
-        @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)
-        timeStart: LocalDateTime,
-        @RequestParam("time_stop")
-        @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)
-        timeStop: LocalDateTime
+        @RequestParam("time_start") timeStart: LocalDateTime,
+        @RequestParam("time_stop") timeStop: LocalDateTime
     ): String =
         externalPointsClient.fetchRawVisibilityPayload(noradId, timeStart, timeStop)
 

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/dto/PlanResponse.kt

@@ -10,8 +10,8 @@ import java.util.UUID
 /**
  * DTO ответа REST API для плана.
  *
- * Времена ([startTime]/[endTime]) — naive `LocalDateTime`, сериализуются как ISO-строка без зоны
- * (напр. `"2026-05-29T01:00:00"`). Хранение, домен и API работают на одних настенных часах.
+ * Времена ([startTime]/[endTime]) — UTC-naive `LocalDateTime` в домене/БД.
+ * На REST-границе сериализуются как ISO-8601 UTC с `Z` (например `"2026-05-29T01:00:00Z"`).
  */
 data class PlanResponse(
 
@@ -21,10 +21,10 @@ data class PlanResponse(
     /** Идентификатор космического аппарата */
     val spacecraftId: String,
 
-    /** Время начала плана (ISO без зоны). */
+    /** Время начала плана (UTC). */
     val startTime: LocalDateTime,
 
-    /** Время окончания плана (ISO без зоны). */
+    /** Время окончания плана (UTC). */
     val endTime: LocalDateTime,
 
     /** Идентификатор пункта закладки */

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/AcceptedPlanSlotsUpdateJobEntity.kt

@@ -8,6 +8,7 @@ import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Persisted job на запуск короткого BPMN-процесса обновления слотов accepted plan.
@@ -39,10 +40,10 @@ class AcceptedPlanSlotsUpdateJobEntity(
     var lastError: String? = null,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(planId = UUID.randomUUID())

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/PlanIssueAttemptEntity.kt

@@ -8,6 +8,7 @@ import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Одна попытка выдачи persisted plan через один BPMN process instance.
@@ -45,10 +46,10 @@ class PlanIssueAttemptEntity(
     var finishedAt: LocalDateTime? = null,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(attemptId = UUID.randomUUID(), planId = UUID.randomUUID(), attemptNo = 0)

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/PlannedPlanEntity.kt

@@ -8,6 +8,7 @@ import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Persisted business-plan с устойчивым planId по unique business key.
@@ -56,10 +57,10 @@ class PlannedPlanEntity(
     var dismissedAt: LocalDateTime? = null,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/ProcessedPlanDecisionEventEntity.kt

@@ -6,6 +6,7 @@ import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Dedup-запись Kafka decision event по eventId.
@@ -18,7 +19,7 @@ class ProcessedPlanDecisionEventEntity(
     var eventId: UUID,
 
     @Column(name = "received_at", nullable = false)
-    var receivedAt: LocalDateTime = LocalDateTime.now()
+    var receivedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(eventId = UUID.randomUUID())

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/SpacecraftPlanningStateEntity.kt

@@ -7,6 +7,7 @@ import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 @Entity
 @Table(name = "spacecraft_planning_state")
@@ -42,7 +43,7 @@ class SpacecraftPlanningStateEntity(
     var pausedAfterReject: Boolean = false,
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(spacecraftId = "")

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/SpacecraftSnapshotEntity.kt

@@ -5,6 +5,7 @@ import jakarta.persistence.Entity
 import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Persisted snapshot КА из НСИ, используемый как вход для refresh jobs.
@@ -44,10 +45,10 @@ class SpacecraftSnapshotEntity(
     var active: Boolean = true,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(spacecraftId = "", noradId = 0)

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/SpacecraftVisibilitySnapshotEntity.kt

@@ -5,6 +5,7 @@ import jakarta.persistence.Entity
 import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Полный raw snapshot окон видимости КА из баллистики.
@@ -40,10 +41,10 @@ class SpacecraftVisibilitySnapshotEntity(
     var windowsCount: Int? = null,
 
     @Column(name = "created_at", nullable = false)
-    var createdAt: LocalDateTime = LocalDateTime.now(),
+    var createdAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(spacecraftId = "", noradId = 0, payloadJson = "", payloadHash = "", fetchedAt = LocalDateTime.MIN)

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/entity/VisibilityRefreshJobEntity.kt

@@ -7,6 +7,7 @@ import jakarta.persistence.Enumerated
 import jakarta.persistence.Id
 import jakarta.persistence.Table
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Job на перечитывание окон видимости одного КА у баллистики.
@@ -41,10 +42,10 @@ class VisibilityRefreshJobEntity(
     var rerunRequested: Boolean = false,
 
     @Column(name = "requested_at", nullable = false)
-    var requestedAt: LocalDateTime = LocalDateTime.now(),
+    var requestedAt: LocalDateTime = UtcDateTimes.now(),
 
     @Column(name = "updated_at", nullable = false)
-    var updatedAt: LocalDateTime = LocalDateTime.now()
+    var updatedAt: LocalDateTime = UtcDateTimes.now()
 ) {
     /** Создаёт пустой экземпляр сущности, необходимый для JPA. */
     constructor() : this(spacecraftId = "")

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/integration/api/ExternalPointsClient.kt

@@ -13,6 +13,7 @@ import org.springframework.web.reactive.function.client.WebClientException
 import org.springframework.web.reactive.function.client.WebClientResponseException
 import java.time.LocalDateTime
 import java.time.temporal.ChronoUnit
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Клиент внешнего API с окнами видимости КА.
@@ -20,6 +21,7 @@ import java.time.temporal.ChronoUnit
 @Component
 class ExternalPointsClient(
     externalApiProperties: ExternalApiProperties,
+    webClientBuilder: WebClient.Builder,
     private val platformService: PlatformService,
     private val planningProperties: PlanningProperties,
     private val visibilityPayloadParser: VisibilityPayloadParser
@@ -27,7 +29,7 @@ class ExternalPointsClient(
 
     private val log = LoggerFactory.getLogger(javaClass)
 
-    private val webClient: WebClient = WebClient.builder()
+    private val webClient: WebClient = webClientBuilder
         .baseUrl(externalApiProperties.baseUrl)
         .build()
 
@@ -36,7 +38,7 @@ class ExternalPointsClient(
      * которые разрешены для работы TGU.
      */
     fun fetchAllSpacecraftPoints(): List<SpacecraftPoints> {
-        val timeStart = LocalDateTime.now().truncatedTo(ChronoUnit.MINUTES)
+        val timeStart = UtcDateTimes.now().truncatedTo(ChronoUnit.MINUTES)
         val timeStop = timeStart.plusDays(planningProperties.externalPointsLookaheadDays)
 
         return platformService.loadAllowedPlatforms()
@@ -93,8 +95,8 @@ class ExternalPointsClient(
             .uri { uriBuilder ->
                 uriBuilder
                     .path("/api/satellites/{satelliteId}/rva")
-                    .queryParam("time_start", timeStart)
-                    .queryParam("time_stop", timeStop)
+                    .queryParam("time_start", UtcDateTimes.format(timeStart))
+                    .queryParam("time_stop", UtcDateTimes.format(timeStop))
                     .build(satelliteId)
             }
             .retrieve()

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/integration/api/MissionPlaningClient.kt

@@ -4,6 +4,7 @@ import org.springframework.http.HttpStatus
 import org.springframework.stereotype.Component
 import org.springframework.web.reactive.function.client.WebClient
 import org.springframework.web.server.ResponseStatusException
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import space.nstart.pcp_tgu_service.config.MissionPlaningProperties
 import java.time.Duration
 import java.time.LocalDateTime
@@ -23,10 +24,25 @@ data class MissionBlankRequest(
     val missionStop: LocalDateTime
 )
 
-@Component
-class MissionPlaningClient(properties: MissionPlaningProperties) {
+private data class MissionCloneOutboundRequest(
+    val mode: String,
+    val windowStart: String? = null,
+    val windowStop: String? = null
+)
 
-    private val webClient: WebClient = WebClient.builder()
+private data class MissionBlankOutboundRequest(
+    val satelliteId: Long,
+    val missionStart: String,
+    val missionStop: String
+)
+
+@Component
+class MissionPlaningClient(
+    properties: MissionPlaningProperties,
+    webClientBuilder: WebClient.Builder
+) {
+
+    private val webClient: WebClient = webClientBuilder
         .baseUrl(properties.baseUrl)
         .build()
 
@@ -35,7 +51,7 @@ class MissionPlaningClient(properties: MissionPlaningProperties) {
     fun cloneMission(missionId: UUID, req: MissionCloneRequest): MissionCloneResponse =
         webClient.post()
             .uri("/api/missions/{id}/clone", missionId)
-            .bodyValue(req)
+            .bodyValue(req.toOutbound())
             .retrieve()
             .onStatus({ it.isError }) { resp ->
                 resp.bodyToMono(String::class.java).defaultIfEmpty("").map { body ->
@@ -53,11 +69,23 @@ class MissionPlaningClient(properties: MissionPlaningProperties) {
                 "Пустой ответ mission-planing на клон миссии $missionId"
             )
 
+    private fun MissionCloneRequest.toOutbound(): MissionCloneOutboundRequest = MissionCloneOutboundRequest(
+        mode = mode,
+        windowStart = windowStart?.let(UtcDateTimes::format),
+        windowStop = windowStop?.let(UtcDateTimes::format)
+    )
+
+    private fun MissionBlankRequest.toOutbound(): MissionBlankOutboundRequest = MissionBlankOutboundRequest(
+        satelliteId = satelliteId,
+        missionStart = UtcDateTimes.format(missionStart),
+        missionStop = UtcDateTimes.format(missionStop)
+    )
+
     /** Создаёт пустую миссию на окно (план новой цепочки «без истории»). */
     fun createBlankMission(req: MissionBlankRequest): MissionCloneResponse =
         webClient.post()
             .uri("/api/missions/blank")
-            .bodyValue(req)
+            .bodyValue(req.toOutbound())
             .retrieve()
             .onStatus({ it.isError }) { resp ->
                 resp.bodyToMono(String::class.java).defaultIfEmpty("").map { body ->

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/integration/api/VisibilityPayloadParser.kt

@@ -6,10 +6,8 @@ import space.nstart.pcp_tgu_service.domain.InsertionPoint
 import space.nstart.pcp_tgu_service.domain.ObservationWindow
 import space.nstart.pcp_tgu_service.domain.SpacecraftPoints
 import space.nstart.pcp_tgu_service.dto.ExternalRvaItemDto
-import java.time.Instant
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 import java.time.LocalDateTime
-import java.time.ZoneId
-import java.time.format.DateTimeParseException
 import java.time.temporal.ChronoUnit
 
 /**
@@ -43,21 +41,11 @@ class VisibilityPayloadParser(
     }
 
     /**
-     * Разбирает ISO-строку времени баллистики в naive `LocalDateTime`.
+     * Разбирает ISO-строку времени баллистики в UTC-naive `LocalDateTime`.
      *
-     * Если время приходит с зоной (`...Z`/офсет), момент проецируем в локальный пояс JVM
-     * (`ZoneId.systemDefault()`): naive-время в системе — настенные часы локальной зоны, в которой
-     * работают все сервисы, без UTC-семантики. Naive-строку без зоны берём как есть.
-     *
-     * Обрезаем до микросекунд — это эффективная точность системы: `planned_plan.start_time/end_time`
-     * хранятся как Postgres `timestamp(6)`, при записи наносекундный хвост баллистики всё равно теряется.
-     * Без обрезки проекция (наносекунды) и persisted-планы (микросекунды) перестают совпадать по
-     * бизнес-ключу — ломается дедуп в read-пути и матчинг базы в [calculatePlansAfter].
+     * Явные UTC/offset-строки нормализуются в UTC, legacy naive-строки считаются UTC-naive.
+     * Обрезаем до микросекунд — это эффективная точность persisted-планов в БД.
      */
     private fun toLocalDateTime(value: String): LocalDateTime =
-        try {
-            LocalDateTime.ofInstant(Instant.parse(value), ZoneId.systemDefault())
-        } catch (_: DateTimeParseException) {
-            LocalDateTime.parse(value)
-        }.truncatedTo(ChronoUnit.MICROS)
+        UtcDateTimes.parse(value).truncatedTo(ChronoUnit.MICROS)
 }

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/AcceptedPlanSlotsUpdateJobService.kt

@@ -5,6 +5,7 @@ import org.springframework.transaction.annotation.Transactional
 import space.nstart.pcp_tgu_service.repository.AcceptedPlanSlotsUpdateJobRepository
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Создаёт persisted job обновления слотов для accepted plan.
@@ -16,6 +17,6 @@ class AcceptedPlanSlotsUpdateJobService(
     /** Idempotent enqueue: один planId получает максимум одну job. */
     @Transactional
     fun enqueue(planId: UUID) {
-        acceptedPlanSlotsUpdateJobRepository.insertPendingIfAbsent(planId, LocalDateTime.now())
+        acceptedPlanSlotsUpdateJobRepository.insertPendingIfAbsent(planId, UtcDateTimes.now())
     }
 }

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/AcceptedPlanSlotsUpdateWorker.kt

@@ -11,6 +11,7 @@ import space.nstart.pcp_tgu_service.repository.AcceptedPlanSlotsUpdateJobReposit
 import java.net.InetAddress
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Scale-out safe worker, который запускает updateAcceptedPlanSlots для accepted plan.
@@ -35,7 +36,7 @@ class AcceptedPlanSlotsUpdateWorker(
     /** Claim видим для тестов; в production защищён FOR UPDATE SKIP LOCKED. */
     fun claimJobs(limit: Int): List<AcceptedPlanSlotsUpdateJobEntity> =
         transactionTemplate.execute {
-            val now = LocalDateTime.now()
+            val now = UtcDateTimes.now()
             val jobs = acceptedPlanSlotsUpdateJobRepository.findClaimableForUpdate(now, limit)
             jobs.forEach { job ->
                 job.status = AcceptedPlanSlotsUpdateJobStatus.RUNNING
@@ -69,7 +70,7 @@ class AcceptedPlanSlotsUpdateWorker(
 
     private fun markDone(planId: UUID, processInstanceKey: Long) {
         transactionTemplate.executeWithoutResult {
-            val now = LocalDateTime.now()
+            val now = UtcDateTimes.now()
             val job = acceptedPlanSlotsUpdateJobRepository.findById(planId).orElse(null) ?: return@executeWithoutResult
             job.status = AcceptedPlanSlotsUpdateJobStatus.DONE
             job.processInstanceKey = processInstanceKey
@@ -83,7 +84,7 @@ class AcceptedPlanSlotsUpdateWorker(
 
     private fun markAmbiguous(planId: UUID, processInstanceKey: Long?, ex: Exception) {
         transactionTemplate.executeWithoutResult {
-            val now = LocalDateTime.now()
+            val now = UtcDateTimes.now()
             val job = acceptedPlanSlotsUpdateJobRepository.findById(planId).orElse(null) ?: return@executeWithoutResult
             job.status = AcceptedPlanSlotsUpdateJobStatus.AMBIGUOUS
             job.processInstanceKey = processInstanceKey ?: job.processInstanceKey

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/CreateChainPlanUseCase.kt

@@ -18,6 +18,7 @@ import space.nstart.pcp_tgu_service.repository.PlannedPlanRepository
 import space.nstart.pcp_tgu_service.repository.SpacecraftPlanningStateJpaRepository
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Создаёт план новой цепочки (вкладка «Планы», действие оператора «Создать план») и сразу считает
@@ -46,7 +47,7 @@ class CreateChainPlanUseCase(
     private val log = LoggerFactory.getLogger(javaClass)
 
     fun createChainPlan(req: CreateChainPlanRequest): CreateChainPlanResponse {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
 
         if (!req.windowStop.isAfter(req.windowStart)) {
             throw ResponseStatusException(HttpStatus.UNPROCESSABLE_ENTITY, "windowStop должен быть позже windowStart")

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/CreateDraftUseCase.kt

@@ -16,6 +16,7 @@ import space.nstart.pcp_tgu_service.repository.PlannedPlanRepository
 import space.nstart.pcp_tgu_service.repository.SpacecraftPlanningStateJpaRepository
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Создаёт черновик плана (DRAFT) на основе существующего базового плана.
@@ -45,7 +46,7 @@ class CreateDraftUseCase(
         val base = plannedPlanRepository.findById(basePlanId)
             .orElseThrow { ResponseStatusException(HttpStatus.NOT_FOUND, "Plan $basePlanId not found") }
 
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
 
         return when (req.mode) {
             DraftMode.REPLACE -> createReplaceDraft(base, now)

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/DismissPlanUseCase.kt

@@ -9,6 +9,7 @@ import space.nstart.pcp_tgu_service.entity.PlannedPlanStatus
 import space.nstart.pcp_tgu_service.repository.PlannedPlanRepository
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * «Снять с учёта» / «Вернуть на учёт» терминально-негативный план.
@@ -44,8 +45,8 @@ class DismissPlanUseCase(
             log.info("План {} уже снят с учёта ({}) — идемпотентно", planId, plan.dismissedAt)
             return
         }
-        plan.dismissedAt = LocalDateTime.now()
-        plan.updatedAt = LocalDateTime.now()
+        plan.dismissedAt = UtcDateTimes.now()
+        plan.updatedAt = UtcDateTimes.now()
         plannedPlanRepository.save(plan)
         log.info("План {} (status={}) снят с учёта", planId, plan.status)
     }
@@ -59,7 +60,7 @@ class DismissPlanUseCase(
             return
         }
         plan.dismissedAt = null
-        plan.updatedAt = LocalDateTime.now()
+        plan.updatedAt = UtcDateTimes.now()
         plannedPlanRepository.save(plan)
         log.info("План {} (status={}) возвращён на учёт", planId, plan.status)
     }

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/HandlePlanDecisionUseCase.kt

@@ -20,6 +20,7 @@ import space.nstart.pcp_tgu_service.repository.ProcessedPlanDecisionEventReposit
 import space.nstart.pcp_tgu_service.repository.SpacecraftPlanningStateJpaRepository
 import java.time.Duration
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Обрабатывает decision и закладочные feedback-события идемпотентно по eventId.
@@ -132,7 +133,7 @@ class HandlePlanDecisionUseCase(
             )
         }
 
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         plan.status = PlannedPlanStatus.LAID_IN
         plan.updatedAt = now
 
@@ -213,7 +214,7 @@ class HandlePlanDecisionUseCase(
             return
         }
 
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         plan.status = terminalStatus
         plan.updatedAt = now
         plannedPlanRepository.save(plan)
@@ -225,7 +226,7 @@ class HandlePlanDecisionUseCase(
         message: PlanDecisionMessage,
         attempt: PlanIssueAttemptEntity
     ) {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         attempt.status = when (message.decision) {
             PlanDecision.ACCEPTED -> PlanIssueAttemptStatus.ACCEPTED
             PlanDecision.REJECTED -> PlanIssueAttemptStatus.REJECTED
@@ -241,7 +242,7 @@ class HandlePlanDecisionUseCase(
         attempt: PlanIssueAttemptEntity,
         plan: PlannedPlanEntity
     ) {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         recordDecisionOnAttempt(message, attempt)
 
         plan.status = PlannedPlanStatus.AWAITING_LAYIN
@@ -262,7 +263,7 @@ class HandlePlanDecisionUseCase(
         plan: PlannedPlanEntity,
         state: SpacecraftPlanningStateEntity
     ) {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         recordDecisionOnAttempt(message, attempt)
 
         plan.status = PlannedPlanStatus.REJECTED
@@ -307,7 +308,7 @@ class HandlePlanDecisionUseCase(
     }
 
     private fun claimEvent(eventId: java.util.UUID): Boolean =
-        processedPlanDecisionEventRepository.insertIfAbsent(eventId, LocalDateTime.now()) != 0
+        processedPlanDecisionEventRepository.insertIfAbsent(eventId, UtcDateTimes.now()) != 0
 
     private fun getOrCreateLockedState(spacecraftId: String): SpacecraftPlanningStateEntity {
         spacecraftPlanningStateJpaRepository.findById(spacecraftId).orElse(null)

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/HandleStationParamsChangedUseCase.kt

@@ -7,6 +7,7 @@ import space.nstart.pcp_tgu_service.dto.StationParamsChangedMessage
 import space.nstart.pcp_tgu_service.repository.ProcessedPlanDecisionEventRepository
 import space.nstart.pcp_tgu_service.repository.SpacecraftSnapshotRepository
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * На изменение параметров станций перезапрашивает ЗРВ у баллистики по всем активным КА.
@@ -25,7 +26,7 @@ class HandleStationParamsChangedUseCase(
     /** Идемпотентно по eventId; ставит refresh job по всем активным КА. */
     @Transactional
     fun handle(message: StationParamsChangedMessage) {
-        val claimed = processedPlanDecisionEventRepository.insertIfAbsent(message.eventId, LocalDateTime.now()) != 0
+        val claimed = processedPlanDecisionEventRepository.insertIfAbsent(message.eventId, UtcDateTimes.now()) != 0
         if (!claimed) {
             return
         }

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/IssueDuePlanWorker.kt

@@ -20,6 +20,7 @@ import space.nstart.pcp_tgu_service.repository.SpacecraftPlanningStateJpaReposit
 import space.nstart.pcp_tgu_service.repository.SpacecraftSnapshotRepository
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Выдаёт дозревшие планы. В on-demand-модели голова цепочки считается из снапшота ЗРВ
@@ -83,7 +84,7 @@ class IssueDuePlanWorker(
 
     /** Готовит выдачу головы проекции для КА под lock'ом состояния (scale-out safe). */
     private fun prepareDueForSpacecraft(spacecraftId: String): PreparedAttempt? {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val state = getOrCreateLockedState(spacecraftId)
         // Форвард-цепочку не выдаём, пока по КА есть выдача «в работе»: ISSUING или WAITING_DECISION
         // в пределах grace после старта. Прошедший grace больше не блокирует — молчаливо продолжаем
@@ -154,7 +155,7 @@ class IssueDuePlanWorker(
             .maxByOrNull { plan -> plan.endTime }?.planId ?: fallback
 
     private fun prepareSpecificPlan(planId: UUID): PreparedAttempt? {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val plan = plannedPlanRepository.findById(planId).orElse(null) ?: return null
         val state = getOrCreateLockedState(plan.spacecraftId)
         assertReissuableInSlot(plan, now)
@@ -176,7 +177,7 @@ class IssueDuePlanWorker(
     }
 
     private fun prepareDraftPromotion(draftPlanId: UUID): PreparedAttempt? {
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
         val plan = plannedPlanRepository.findById(draftPlanId).orElse(null) ?: return null
         if (plan.status != PlannedPlanStatus.DRAFT) {
             throw ResponseStatusException(
@@ -326,7 +327,7 @@ class IssueDuePlanWorker(
 
     private fun markStarted(response: ProcessStartResponse) {
         transactionTemplate.executeWithoutResult {
-            val now = LocalDateTime.now()
+            val now = UtcDateTimes.now()
             val attempt = planIssueAttemptRepository.findById(response.attemptId).orElse(null) ?: return@executeWithoutResult
             val plan = plannedPlanRepository.findById(response.planId).orElse(null) ?: return@executeWithoutResult
 
@@ -350,7 +351,7 @@ class IssueDuePlanWorker(
 
     private fun markAmbiguous(preparedAttempt: PreparedAttempt) {
         transactionTemplate.executeWithoutResult {
-            val now = LocalDateTime.now()
+            val now = UtcDateTimes.now()
             val attempt = planIssueAttemptRepository.findById(preparedAttempt.attemptId).orElse(null) ?: return@executeWithoutResult
             val plan = plannedPlanRepository.findById(preparedAttempt.planId).orElse(null) ?: return@executeWithoutResult
             attempt.status = PlanIssueAttemptStatus.AMBIGUOUS

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/PlanQueryService.kt

@@ -12,6 +12,7 @@ import space.nstart.pcp_tgu_service.repository.PlannedPlanRepository
 import space.nstart.pcp_tgu_service.repository.SpacecraftSnapshotRepository
 import java.time.LocalDateTime
 import java.util.UUID
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Read-сервис планов: объединяет persisted (выданные, история — вечно) с вычисленной
@@ -80,7 +81,7 @@ class PlanQueryService(
             .sortedBy { response -> response.startTime }
 
     private fun historySince(historyDays: Long): LocalDateTime =
-        LocalDateTime.now().minusDays(historyDays.coerceAtLeast(0))
+        UtcDateTimes.now().minusDays(historyDays.coerceAtLeast(0))
 
     private fun PlannedPlanEntity.businessKey(): String =
         "$spacecraftId|$startTime|$endTime|$kppId"

services/pcp-tgu-service/src/main/kotlin/space/nstart/pcp_tgu_service/service/SpacecraftVisibilitySnapshotService.kt

@@ -7,6 +7,7 @@ import space.nstart.pcp_tgu_service.integration.api.VisibilityPayloadParser
 import space.nstart.pcp_tgu_service.repository.SpacecraftVisibilitySnapshotRepository
 import java.security.MessageDigest
 import java.time.LocalDateTime
+import space.nstart.pcp.pcp_types_lib.utils.UtcDateTimes
 
 /**
  * Сохраняет raw visibility payload. Расписание считается on-demand из снапшота
@@ -25,7 +26,7 @@ class SpacecraftVisibilitySnapshotService(
         val payloadHash = sha256(payloadJson)
         val existing = spacecraftVisibilitySnapshotRepository.findById(spacecraftId).orElse(null)
         val metadata = runCatching { extractMetadata(spacecraftId, payloadJson) }.getOrNull()
-        val now = LocalDateTime.now()
+        val now = UtcDateTimes.now()
 
         if (existing == null) {
             spacecraftVisibilitySnapshotRepository.save(