diff --git a/src/GreenHome.Application/Dtos.cs b/src/GreenHome.Application/Dtos.cs
index 70b2690..19d36b1 100644
--- a/src/GreenHome.Application/Dtos.cs
+++ b/src/GreenHome.Application/Dtos.cs
@@ -29,6 +29,7 @@ public sealed class TelemetryDto
     public int PersianYear { get; set; }
     public int PersianMonth { get; set; }
     public string PersianDate { get; set; } = string.Empty;
+    public DateTime ServerTimestampUtc { get; set; }
 }
 
 public sealed class TelemetryFilter