diff --git a/back/Contracts/Mappers/ChangeRecordMapper.cs b/back/Contracts/Mappers/ChangeRecordMapper.cs
index 606344d..3ea50c1 100644
--- a/back/Contracts/Mappers/ChangeRecordMapper.cs
+++ b/back/Contracts/Mappers/ChangeRecordMapper.cs
@@ -8,8 +8,8 @@ public static class ChangeRecordMapper
     public static ChangeRecordViewModel ToView(this ChangeRecordDto dto) 
         => new() 
         { 
-            Id = dto.Id, 
-            Sum = dto.Sum, 
-            ChangedAt = dto.ChangedAt 
+            Id = dto.Id,
+            Sum = dto.Sum,
+            ChangedAt = dto.ChangedAt.ToString("dd.MM.yyyy"),
         }; 
 }
\ No newline at end of file
diff --git a/back/Contracts/Mappers/SpendingPlanMapper.cs b/back/Contracts/Mappers/SpendingPlanMapper.cs
index 84504b9..1a2674e 100644
--- a/back/Contracts/Mappers/SpendingPlanMapper.cs
+++ b/back/Contracts/Mappers/SpendingPlanMapper.cs
@@ -9,8 +9,8 @@ public static class SpendingPlanMapper
         => new()
         {
             Id = dto.Id,
-            StartAt = dto.StartAt,
-            EndAt = dto.EndAt,
+            StartAt = dto.StartAt.ToString("dd.MM.yyyy"),
+            EndAt = dto.EndAt.ToString("dd.MM.yyyy"),
             Sum = dto.Sum
         };
 }
\ No newline at end of file
diff --git a/back/Contracts/ViewModels/ChangeRecordViewModel.cs b/back/Contracts/ViewModels/ChangeRecordViewModel.cs
index 3a75eb3..ab007c2 100644
--- a/back/Contracts/ViewModels/ChangeRecordViewModel.cs
+++ b/back/Contracts/ViewModels/ChangeRecordViewModel.cs
@@ -4,5 +4,5 @@ public class ChangeRecordViewModel
 {
     public Guid Id { get; set; }
     public decimal Sum { get; set; }
-    public DateTime ChangedAt { get; set; }
+    public string ChangedAt { get; set; } = null!;
 }
\ No newline at end of file
diff --git a/back/Contracts/ViewModels/SpendingPlanViewModel.cs b/back/Contracts/ViewModels/SpendingPlanViewModel.cs
index 285cdd8..a75357e 100644
--- a/back/Contracts/ViewModels/SpendingPlanViewModel.cs
+++ b/back/Contracts/ViewModels/SpendingPlanViewModel.cs
@@ -3,7 +3,7 @@ namespace Contracts.ViewModels;
 public class SpendingPlanViewModel
 {
     public Guid Id { get; set; }
-    public DateTime StartAt { get; set; }
-    public DateTime EndAt { get; set; }
+    public string StartAt { get; set; } = null!;
+    public string EndAt { get; set; } = null!;
     public decimal Sum { get; set; }
 }
\ No newline at end of file