diff --git a/components/modales/SettingsModal.jsx b/components/modales/SettingsModal.jsx
index 57858b1..6cc73a0 100644
--- a/components/modales/SettingsModal.jsx
+++ b/components/modales/SettingsModal.jsx
@@ -214,6 +214,11 @@ function SettingModal({ showModal, onClose }) {
     active_Redux,
   ]);
   //---------------------------------------------------
+  // Aktualisiere `systemUhr`, wenn sich `datetime_Redux` ändert
+  useEffect(() => {
+    setSystemUhr(datetime_Redux || "");
+  }, [datetime_Redux]);
+  //---------------------------------------------------
   return (
     <>
       <ReactModal