diff --git a/app/routes/book-event.tsx b/app/routes/book-event.tsx
index 96acae0..4c78456 100644
--- a/app/routes/book-event.tsx
+++ b/app/routes/book-event.tsx
@@ -27,9 +27,11 @@ export default function () {
 
   useEffect(() => {
     currentDate.setUTCDate(0);
-    setDatePickerMin(`${currentYear}-${currentMonth}-01`);
+    setDatePickerMin(
+      `${currentYear}-${currentMonth.toString().padStart(2, "0")}-01`,
+    );
     setDatePickerMax(
-      `${currentYear}-${currentMonth}-${currentDate.getUTCDate()}`,
+      `${currentYear}-${currentMonth.toString().padStart(2, "0")}-${currentDate.getUTCDate().toString().padStart(2, "0")}`,
     );
   }, []);