diff --git a/src/GmRelay.Shared/Domain/MoscowTime.cs b/src/GmRelay.Shared/Domain/MoscowTime.cs
index 82e9e12..823f6bf 100644
--- a/src/GmRelay.Shared/Domain/MoscowTime.cs
+++ b/src/GmRelay.Shared/Domain/MoscowTime.cs
@@ -11,7 +11,7 @@ public static class MoscowTime
     public static string FormatMoscow(this DateTimeOffset utc)
         => utc.ToOffset(MoscowOffset).ToString("d MMMM yyyy, HH:mm", System.Globalization.CultureInfo.GetCultureInfo("ru-RU"));
 
-    public static DateTime ToMoscow(this DateTime utcDt) => utcDt.Add(MoscowOffset);
+    public static DateTime ToMoscow(this DateTime utcDt) => DateTime.SpecifyKind(utcDt.Add(MoscowOffset), DateTimeKind.Unspecified);
 
     public static string FormatMoscow(this DateTime utcDt)
         => utcDt.Add(MoscowOffset).ToString("d MMMM yyyy, HH:mm", System.Globalization.CultureInfo.GetCultureInfo("ru-RU"));