diff --git a/frontend/components/Shared/DatePicker.tsx b/frontend/components/Shared/DatePicker.tsx
index 085b75f..f8d2b24 100644
--- a/frontend/components/Shared/DatePicker.tsx
+++ b/frontend/components/Shared/DatePicker.tsx
@@ -33,7 +33,10 @@ const DatePicker: React.FC<DatePickerProps> = ({
   const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
 
   const formatDate = (date: Date) => {
-    return date.toISOString().split('T')[0];
+    const year = date.getFullYear();
+    const month = String(date.getMonth() + 1).padStart(2, '0');
+    const day = String(date.getDate()).padStart(2, '0');
+    return `${year}-${month}-${day}`;
   };
 
   const parseDate = (dateString: string) => {