Update header.jsx

Author: ishani-1255

src/components/header.jsx

@@ -19,7 +19,7 @@ const CountdownTimer = () => {
   });
 
   useEffect(() => {
-    const targetDate = new Date("December 21, 2024 14:00:00").getTime();
+    const targetDate = new Date("December 22, 2024 14:00:00").getTime();
     const timer = setInterval(() => {
       const now = new Date().getTime();
       const distance = targetDate - now;