diff --git a/frontend/src/pages/mobile/schedule/Schedule.jsx b/frontend/src/pages/mobile/schedule/Schedule.jsx
index 2ce141d..de5d203 100644
--- a/frontend/src/pages/mobile/schedule/Schedule.jsx
+++ b/frontend/src/pages/mobile/schedule/Schedule.jsx
@@ -36,8 +36,12 @@ function MobileSchedule() {
     toggleCategory,
   } = useScheduleStore();
 
-  // 선택된 날짜 (store에 없으면 오늘 날짜)
-  const selectedDate = storedSelectedDate || new Date();
+  // 선택된 날짜 (store에 없으면 오늘 날짜). 매 렌더 새 Date 생성을 막아
+  // 다수 useMemo/useEffect가 불필요하게 재실행되지 않도록 참조 안정화.
+  const selectedDate = useMemo(
+    () => storedSelectedDate || new Date(),
+    [storedSelectedDate]
+  );
   const setSelectedDate = (date) => setStoredSelectedDate(date);
 
   const [isSearchMode, setIsSearchMode] = useState(false);