Tryfix time zone

nixos/modules/monitoring/server/grafana.nix

@@ -86,6 +86,8 @@ in {
       extraOptions = {
         # Defend against DNS rebinding attacks.
         SERVER_ENFORCE_DOMAIN = "true";
+        # Same time zone for all users by default
+        DATE_FORMATS_DEFAULT_TIMEZONE = "UTC";
       };
 
       auth = {