diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Hunt.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Hunt.kt
index 80e6036..8b52111 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Hunt.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Hunt.kt
@@ -1,16 +1,16 @@
 package net.halfbinary.scavengerhuntapi.model.domain
 
 import net.halfbinary.scavengerhuntapi.model.HuntId
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 import java.util.*
 
 data class Hunt(
     val id: HuntId = UUID.randomUUID(),
     val title: String,
-    val startDateTime: LocalDateTime,
-    val endDateTime: LocalDateTime,
+    val startDateTime: OffsetDateTime,
+    val endDateTime: OffsetDateTime,
     val isTerminated: Boolean
 ) {
     val isOngoing: Boolean
-        get() = !isTerminated && startDateTime < LocalDateTime.now() && endDateTime > LocalDateTime.now()
+        get() = !isTerminated && startDateTime < OffsetDateTime.now() && endDateTime > OffsetDateTime.now()
 }
\ No newline at end of file
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Photo.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Photo.kt
index 0700dd4..b9037d4 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Photo.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/domain/Photo.kt
@@ -5,7 +5,7 @@ import net.halfbinary.scavengerhuntapi.model.HunterId
 import net.halfbinary.scavengerhuntapi.model.ItemId
 import net.halfbinary.scavengerhuntapi.model.PhotoId
 import net.halfbinary.scavengerhuntapi.model.PhotoStatus
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 import java.util.*
 
 data class Photo(
@@ -13,7 +13,7 @@ data class Photo(
     val itemId: ItemId,
     val huntId: HuntId,
     val hunterId: HunterId,
-    val foundDateTime: LocalDateTime,
+    val foundDateTime: OffsetDateTime,
     val status: PhotoStatus,
-    val statusChangeDateTime: LocalDateTime
+    val statusChangeDateTime: OffsetDateTime
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/HuntRecord.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/HuntRecord.kt
index 6a615e8..36cb3fa 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/HuntRecord.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/HuntRecord.kt
@@ -4,7 +4,7 @@ import jakarta.persistence.Entity
 import jakarta.persistence.Id
 import jakarta.persistence.Table
 import net.halfbinary.scavengerhuntapi.model.HuntId
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 /**
  * Represents a scavenger hunt event
@@ -16,7 +16,7 @@ data class HuntRecord(
     @Id
     val id: HuntId,
     val title: String,
-    val startDateTime: LocalDateTime,
-    val endDateTime: LocalDateTime,
+    val startDateTime: OffsetDateTime,
+    val endDateTime: OffsetDateTime,
     val isTerminated: Boolean
 )
\ No newline at end of file
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/PhotoRecord.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/PhotoRecord.kt
index de8d0e1..c607c73 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/PhotoRecord.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/PhotoRecord.kt
@@ -8,7 +8,7 @@ import net.halfbinary.scavengerhuntapi.model.HunterId
 import net.halfbinary.scavengerhuntapi.model.ItemId
 import net.halfbinary.scavengerhuntapi.model.PhotoId
 import net.halfbinary.scavengerhuntapi.model.PhotoStatus
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 /**
  * Represents a found Item for a Hunt by a Hunter
@@ -21,7 +21,7 @@ data class PhotoRecord(
     val itemId: ItemId,
     val huntId: HuntId,
     val hunterId: HunterId,
-    val foundDateTime: LocalDateTime,
+    val foundDateTime: OffsetDateTime,
     val status: PhotoStatus,
-    val statusChangeDateTime: LocalDateTime,
+    val statusChangeDateTime: OffsetDateTime,
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/RefreshTokenRecord.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/RefreshTokenRecord.kt
index ce492bc..cff2562 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/RefreshTokenRecord.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/RefreshTokenRecord.kt
@@ -4,7 +4,7 @@ import jakarta.persistence.Entity
 import jakarta.persistence.Id
 import jakarta.persistence.Table
 import net.halfbinary.scavengerhuntapi.model.RefreshId
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 @Entity
 @Table(name = "refresh_token")
@@ -12,5 +12,5 @@ data class RefreshTokenRecord(
     @Id
     val token: RefreshId,
     val email: String,
-    val expiryDateTime: LocalDateTime
+    val expiryDateTime: OffsetDateTime
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntCreateRequest.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntCreateRequest.kt
index bf57a6b..6b8b4dc 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntCreateRequest.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntCreateRequest.kt
@@ -2,13 +2,13 @@ package net.halfbinary.scavengerhuntapi.model.request
 
 import jakarta.validation.constraints.Future
 import jakarta.validation.constraints.NotBlank
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 data class HuntCreateRequest(
     @field:NotBlank(message = "Hunt title is required")
     val title: String,
     @field:Future
-    val startDateTime: LocalDateTime,
+    val startDateTime: OffsetDateTime,
     @field:Future
-    val endDateTime: LocalDateTime,
+    val endDateTime: OffsetDateTime,
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntUpdateRequest.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntUpdateRequest.kt
index 186d17a..0e7c752 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntUpdateRequest.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntUpdateRequest.kt
@@ -1,10 +1,10 @@
 package net.halfbinary.scavengerhuntapi.model.request
 
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 data class HuntUpdateRequest(
     val title: String?,
-    val startDateTime: LocalDateTime?,
-    val endDateTime: LocalDateTime?,
+    val startDateTime: OffsetDateTime?,
+    val endDateTime: OffsetDateTime?,
     val isTerminated: Boolean?
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/HuntResponse.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/HuntResponse.kt
index b6c006c..5d1fe07 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/HuntResponse.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/HuntResponse.kt
@@ -1,12 +1,12 @@
 package net.halfbinary.scavengerhuntapi.model.response
 
 import net.halfbinary.scavengerhuntapi.model.HuntId
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 data class HuntResponse(
     val id: HuntId,
     val title: String,
-    val startDateTime: LocalDateTime,
-    val endDateTime: LocalDateTime,
+    val startDateTime: OffsetDateTime,
+    val endDateTime: OffsetDateTime,
     val isTerminated: Boolean
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/PhotoResponse.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/PhotoResponse.kt
index 6301f2d..25f7245 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/PhotoResponse.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/PhotoResponse.kt
@@ -2,12 +2,12 @@ package net.halfbinary.scavengerhuntapi.model.response
 
 import net.halfbinary.scavengerhuntapi.model.PhotoId
 import net.halfbinary.scavengerhuntapi.model.PhotoStatus
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 data class PhotoResponse(
     val id: PhotoId,
     val hunterName: String,
-    val photoUploadDateTime: LocalDateTime,
+    val photoUploadDateTime: OffsetDateTime,
     val photoStatus: PhotoStatus,
-    val photoStatusChangeDateTime: LocalDateTime,
+    val photoStatusChangeDateTime: OffsetDateTime,
 )
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HuntService.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HuntService.kt
index 9dcf57c..301d46a 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HuntService.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HuntService.kt
@@ -18,7 +18,7 @@ import net.halfbinary.scavengerhuntapi.repository.HuntRepository
 import net.halfbinary.scavengerhuntapi.repository.ItemRepository
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 @Service
 class HuntService(
@@ -49,16 +49,16 @@ class HuntService(
         val filteredHunts = when (status) {
             HuntStatus.ONGOING -> {
                 allHunts
-                    .filter { !it.isTerminated && it.startDateTime < LocalDateTime.now() && it.endDateTime > LocalDateTime.now() }
+                    .filter { !it.isTerminated && it.startDateTime < OffsetDateTime.now() && it.endDateTime > OffsetDateTime.now() }
                     .toList()
             }
             HuntStatus.CLOSED -> {
                 allHunts
-                    .filter { it.isTerminated || it.endDateTime < LocalDateTime.now() }
+                    .filter { it.isTerminated || it.endDateTime < OffsetDateTime.now() }
             }
             HuntStatus.UNSTARTED -> {
                 allHunts
-                    .filter { !it.isTerminated && it.startDateTime > LocalDateTime.now() }
+                    .filter { !it.isTerminated && it.startDateTime > OffsetDateTime.now() }
             }
             else -> { allHunts }
         }
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/PhotoService.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/PhotoService.kt
index 38b55d6..416e0df 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/PhotoService.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/PhotoService.kt
@@ -27,7 +27,7 @@ import org.springframework.stereotype.Service
 import org.springframework.web.multipart.MultipartFile
 import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 
 private const val PHOTO_NOT_FOUND = "Photo not found"
 
@@ -56,7 +56,7 @@ class PhotoService(
             throw BadFileException("Image type is not supported")
         }
 
-        val now = LocalDateTime.now()
+        val now = OffsetDateTime.now()
         val photo = Photo(
             itemId = itemId,
             huntId = huntId,
@@ -171,7 +171,7 @@ class PhotoService(
 
         if (photoRecord.status == PhotoStatus.APPROVED) throw ConflictException("Cannot remove an approved photo")
 
-        photoRepository.save(photoRecord.copy(status = PhotoStatus.REMOVED, statusChangeDateTime = LocalDateTime.now()))
+        photoRepository.save(photoRecord.copy(status = PhotoStatus.REMOVED, statusChangeDateTime = OffsetDateTime.now()))
     }
 
     fun getItemPhotos(huntId: HuntId, teamId: TeamId, itemId: ItemId, email: String): List<PhotoResponse> {
@@ -197,7 +197,7 @@ class PhotoService(
     fun updatePhotoStatus(photoId: PhotoId, status: PhotoStatus) {
         val record = photoRepository.findByIdOrNull(photoId)
             ?: throw NotFoundException(PHOTO_NOT_FOUND)
-        photoRepository.save(record.copy(status = status, statusChangeDateTime = LocalDateTime.now()))
+        photoRepository.save(record.copy(status = status, statusChangeDateTime = OffsetDateTime.now()))
     }
 
     private fun toJpeg(bytes: ByteArray): ByteArray {
diff --git a/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/RefreshTokenService.kt b/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/RefreshTokenService.kt
index e55f7fe..0f60a80 100644
--- a/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/RefreshTokenService.kt
+++ b/src/main/kotlin/net/halfbinary/scavengerhuntapi/service/RefreshTokenService.kt
@@ -10,7 +10,7 @@ import net.halfbinary.scavengerhuntapi.repository.RefreshTokenRepository
 import org.slf4j.LoggerFactory
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
-import java.time.LocalDateTime
+import java.time.OffsetDateTime
 import java.time.temporal.ChronoUnit
 
 @Service
@@ -33,11 +33,11 @@ class RefreshTokenService(private val refreshTokenRepository: RefreshTokenReposi
     }
 
     fun generateRefreshToken(email: String): RefreshId {
-        return refreshTokenRepository.save(RefreshTokenRecord(RefreshId.randomUUID(), email, LocalDateTime.now().plus(1, ChronoUnit.MONTHS))).token
+        return refreshTokenRepository.save(RefreshTokenRecord(RefreshId.randomUUID(), email, OffsetDateTime.now().plus(1, ChronoUnit.MONTHS))).token
     }
 
     fun isTokenExpired(token: RefreshTokenRecord): Boolean {
-        return token.expiryDateTime.isBefore(LocalDateTime.now())
+        return token.expiryDateTime.isBefore(OffsetDateTime.now())
     }
 
     fun getToken(token: RefreshId): RefreshTokenRecord? {