diff --git a/src/CommandHandlers/ElapsedTimeSyncHandler.cs b/src/CommandHandlers/ElapsedTimeSyncHandler.cs
new file mode 100644
index 0000000..3311d5c
--- /dev/null
+++ b/src/CommandHandlers/ElapsedTimeSyncHandler.cs
@@ -0,0 +1,20 @@
+using sodoffmmo.Attributes;
+using sodoffmmo.Core;
+using sodoffmmo.Data;
+
+namespace sodoffmmo.CommandHandlers;
+
+[ExtensionCommandHandler("RTM")]
+class ElapsedTimeSyncHandler : CommandHandler {
+    public override Task Handle(Client client, NetworkObject receivedObject) {
+        if (client.Room != null) {
+            NetworkObject cmd = new();
+            NetworkObject obj = new();
+            obj.Add("arr", new string[] { "RTM", "-1", Runtime.CurrentRuntime.ToString() });
+            cmd.Add("c", "RTM");
+            cmd.Add("p", obj);
+            client.Send(NetworkObject.WrapObject(1, 13, cmd).Serialize());
+        }
+        return Task.CompletedTask;
+    }
+}
\ No newline at end of file