diff --git a/app/routes/book-event.tsx b/app/routes/book-event.tsx
index 458cb6e..45f4219 100644
--- a/app/routes/book-event.tsx
+++ b/app/routes/book-event.tsx
@@ -47,9 +47,7 @@ export default function () {
   const [submitSuccess, setSubmitSuccess] = useState(false);
 
   useEffect(() => {
-    setDatePickerMin(
-      `${currentYear}-${currentMonth.toString().padStart(2, "0")}-${currentDate.getUTCDate().toString().padStart(2, "0")}`,
-    );
+    setDatePickerMin(`${currentDate.toISOString().split("T").at(0)}`);
     currentDate.setUTCDate(0);
     setDatePickerMax(
       `${currentYear}-${currentMonth.toString().padStart(2, "0")}-${new Date(currentYear, currentMonth, 0).getUTCDate()}`,