diff --git a/AsbCloudApp/Data/ProcessMaps/Report/ProcessMapReportDataSaubStatDto.cs b/AsbCloudApp/Data/ProcessMaps/Report/ProcessMapReportDataSaubStatDto.cs
index 6255726f..4bf221de 100644
--- a/AsbCloudApp/Data/ProcessMaps/Report/ProcessMapReportDataSaubStatDto.cs
+++ b/AsbCloudApp/Data/ProcessMaps/Report/ProcessMapReportDataSaubStatDto.cs
@@ -44,7 +44,7 @@ public class ProcessMapReportDataSaubStatDto
 	/// на начало интервала
 	/// </para>
 	/// </summary>
-	public DateTime DateStart { get; set; }
+	public DateTimeOffset DateStart { get; set; }
 
 	/// <summary>
 	/// Режим бурения (Ротор/слайд/ручной)
diff --git a/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs b/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs
index fba35c59..a188426e 100644
--- a/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs
+++ b/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs
@@ -106,10 +106,11 @@ public class DailyReportService : IDailyReportService
 			IdWell = well.Id
 		};
 
-		var geDate = dailyReport.Date.ToDateTime(TimeOnly.MinValue, DateTimeKind.Unspecified);
-		var ltDate = dailyReport.Date.AddDays(1).ToDateTime(TimeOnly.MinValue, DateTimeKind.Unspecified);
-		
-		var factOperationRequest = new WellOperationRequest
+        var offsetHours = wellService.GetTimezone(dailyReport.IdWell).Hours;
+        var geDate = new DateTimeOffset(dailyReport.Date, TimeOnly.MinValue, TimeSpan.FromHours(offsetHours));
+		var ltDate = new DateTimeOffset(dailyReport.Date.AddDays(1), TimeOnly.MinValue, TimeSpan.FromHours(offsetHours));
+
+        var factOperationRequest = new WellOperationRequest
 		{
 			IdWell = idWell,
 			OperationType = WellOperation.IdOperationTypeFact,
@@ -369,8 +370,9 @@ public class DailyReportService : IDailyReportService
 
 	private async Task AddProcessMapWellDrillingBlockAsync(DailyReportDto dailyReport, CancellationToken cancellationToken)
 	{
-		var geDate = dailyReport.Date.ToDateTime(TimeOnly.MinValue, DateTimeKind.Unspecified);
-		var leDate = dailyReport.Date.AddDays(1).ToDateTime(TimeOnly.MinValue, DateTimeKind.Unspecified);
+		var offsetHours = wellService.GetTimezone(dailyReport.IdWell).Hours;
+        var geDate = new DateTimeOffset(dailyReport.Date, TimeOnly.MinValue, TimeSpan.FromHours(offsetHours));
+		var leDate = new DateTimeOffset(dailyReport.Date.AddDays(1), TimeOnly.MinValue, TimeSpan.FromHours(offsetHours));
 
 		var request = new DataSaubStatRequest();
         dailyReport.ProcessMapWellDrillingBlock = (await processMapReportDrillingService.GetAsync(dailyReport.IdWell, request, 
diff --git a/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs b/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs
index 5ee331d4..74957d59 100644
--- a/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs
+++ b/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs
@@ -174,7 +174,7 @@ public class ProcessMapReportDrillingService : IProcessMapReportDrillingService
         var result = new ProcessMapReportDataSaubStatDto()
         {
             IdWellSectionType = wellSectionType.Id,
-            DateStart = firstElemInInterval.DateStart.DateTime,
+            DateStart = firstElemInInterval.DateStart,
             WellSectionTypeName = wellSectionType.Caption,
             DepthStart = firstElemInInterval.DepthStart,
             DepthEnd = lastElemInInterval.DepthEnd,
diff --git a/AsbCloudWebApi.Tests/Services/DailyReportServiceTest.cs b/AsbCloudWebApi.Tests/Services/DailyReportServiceTest.cs
index 69473ebd..ac109d7f 100644
--- a/AsbCloudWebApi.Tests/Services/DailyReportServiceTest.cs
+++ b/AsbCloudWebApi.Tests/Services/DailyReportServiceTest.cs
@@ -113,7 +113,7 @@ public class DailyReportServiceTest
     private readonly ProcessMapReportDataSaubStatDto fakeProcessMapReportWellDrilling = new()
     {
         DrillingMode = "Ротор",
-        DateStart = new DateTime(2023, 10, 26),
+        DateStart = new DateTimeOffset(2023, 10, 26, 0, 0, 0, TimeSpan.Zero),
         DeltaDepth = 500,
         Rop = new PlanFactDto<double?>
         {