diff --git a/AsbCloudApp/Data/MeasureDto.cs b/AsbCloudApp/Data/MeasureDto.cs
index 9f823a91..4eddd78f 100644
--- a/AsbCloudApp/Data/MeasureDto.cs
+++ b/AsbCloudApp/Data/MeasureDto.cs
@@ -36,7 +36,7 @@ namespace AsbCloudApp.Data
         /// отметка времени замера
         /// </summary>
         [Required]
-        public DateTime Timestamp { get; set; }
+        public DateTimeOffset Timestamp { get; set; }
 
         /// <summary>
         /// данные замера
diff --git a/AsbCloudInfrastructure/Services/MeasureService.cs b/AsbCloudInfrastructure/Services/MeasureService.cs
index 58c5c295..7a349450 100644
--- a/AsbCloudInfrastructure/Services/MeasureService.cs
+++ b/AsbCloudInfrastructure/Services/MeasureService.cs
@@ -87,8 +87,7 @@ namespace AsbCloudInfrastructure.Services
                 throw new ArgumentInvalidException(nameof(dto), "wrong idCategory");
             if (!dto.Data.Any())
                 throw new ArgumentInvalidException(nameof(dto), "data.data is not optional");
-            var timezone = wellService.GetTimezone(idWell);
-            var entity = Convert(dto, timezone.Hours);
+            var entity = Convert(dto);
             entity.IdWell = idWell;
             db.Measures.Add(entity);
             return db.SaveChangesAsync(token);
@@ -110,7 +109,7 @@ namespace AsbCloudInfrastructure.Services
 
             var timezone = wellService.GetTimezone(idWell);
             entity.IdWell = idWell;
-            entity.Timestamp = dto.Timestamp.ToUtcDateTimeOffset(timezone.Hours);
+            entity.Timestamp = dto.Timestamp.ToOffset(TimeSpan.FromHours(timezone.Hours));
             entity.Data = dto.Data.Adapt<RawData>();
 
             return await db.SaveChangesAsync(token).ConfigureAwait(false);
@@ -142,13 +141,13 @@ namespace AsbCloudInfrastructure.Services
         {
             var dto = entity.Adapt<MeasureDto>();
             dto.CategoryName = entity.Category?.Name ?? String.Empty;
-            dto.Timestamp = entity.Timestamp.ToRemoteDateTime(hours);
+            dto.Timestamp = entity.Timestamp.ToOffset(TimeSpan.FromHours(hours));
             return dto;
         }
-        private Measure Convert(MeasureDto dto, double hours)
+        private Measure Convert(MeasureDto dto)
         {
             var entity = dto.Adapt<Measure>();
-            entity.Timestamp = dto.Timestamp.ToUtcDateTimeOffset(hours);
+            entity.Timestamp = dto.Timestamp.ToUniversalTime();
             return entity;
         }
     }