diff --git a/AsbCloudApp/Data/WellOperationPlanDto.cs b/AsbCloudApp/Data/WellOperationPlanDto.cs
index 5c1bac9f..365e06f3 100644
--- a/AsbCloudApp/Data/WellOperationPlanDto.cs
+++ b/AsbCloudApp/Data/WellOperationPlanDto.cs
@@ -21,7 +21,7 @@ namespace AsbCloudApp.Data
         /// <summary>
         /// дата последней сопоставленной плановой операции
         /// </summary>
-        public DateTime? DateLastAssosiatedPlanOperation { get; set; }
+        public DateTimeOffset? DateLastAssosiatedPlanOperation { get; set; }
 
     }
 
diff --git a/AsbCloudApp/Repositories/IWellOperationRepository.cs b/AsbCloudApp/Repositories/IWellOperationRepository.cs
index dd39ce52..25550557 100644
--- a/AsbCloudApp/Repositories/IWellOperationRepository.cs
+++ b/AsbCloudApp/Repositories/IWellOperationRepository.cs
@@ -25,7 +25,7 @@ namespace AsbCloudApp.Repositories
         /// <param name="token"></param>
         /// </summary>
         /// <returns></returns>
-        Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTime? currentDate, CancellationToken token);
+        Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTimeOffset? currentDate, CancellationToken token);
 
         /// <summary>
         /// дата/время первой операции по скважине
diff --git a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
index 1c3f6fdc..4e494c77 100644
--- a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
+++ b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
@@ -43,7 +43,7 @@ public class WellOperationRepository : IWellOperationRepository
            .OrderBy(s => s.Order)
            .Select(s => s.Adapt<WellSectionTypeDto>());
 
-    public async Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTime? currentDate, CancellationToken token)
+    public async Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTimeOffset? currentDate, CancellationToken token)
     {
         var timezone = wellService.GetTimezone(idWell);
         var request = new WellOperationRequest()
@@ -67,16 +67,16 @@ public class WellOperationRepository : IWellOperationRepository
         return result;
     }
 
-    private async Task<DateTime?> GetDateLastAssosiatedPlanOperationAsync(
+    private async Task<DateTimeOffset?> GetDateLastAssosiatedPlanOperationAsync(
         int idWell,
-        DateTime? lessThenDate,
+        DateTimeOffset? lessThenDate,
         double timeZoneHours,
         CancellationToken token)
     {
         if (lessThenDate is null)
             return null;
 
-        var currentDateOffset = lessThenDate.Value.ToUtcDateTimeOffset(timeZoneHours);
+        var currentDateOffset = lessThenDate.Value.ToUniversalTime();
         var timeZoneOffset = TimeSpan.FromHours(timeZoneHours);
 
         var lastFactOperation = await db.WellOperations
@@ -90,7 +90,7 @@ public class WellOperationRepository : IWellOperationRepository
             .ConfigureAwait(false);
 
         if (lastFactOperation is not null)
-            return DateTime.SpecifyKind(lastFactOperation.OperationPlan!.DateStart.UtcDateTime + timeZoneOffset, DateTimeKind.Unspecified);
+            return lastFactOperation.OperationPlan!.DateStart;
 
         return null;
     }
diff --git a/AsbCloudWebApi/Controllers/WellOperationController.cs b/AsbCloudWebApi/Controllers/WellOperationController.cs
index d624e89a..2f2f805b 100644
--- a/AsbCloudWebApi/Controllers/WellOperationController.cs
+++ b/AsbCloudWebApi/Controllers/WellOperationController.cs
@@ -99,7 +99,7 @@ namespace AsbCloudWebApi.Controllers
         [ProducesResponseType(typeof(WellOperationPlanDto), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> GetOperationsPlanAsync(
             [FromRoute] int idWell,
-            [FromQuery] DateTime currentDate,
+            [FromQuery] DateTimeOffset currentDate,
             CancellationToken token)
         {
             if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))