add hour, minute, and UTC+0 to timestamp

index.html

@@ -62,8 +62,8 @@
     </section>
 
     <footer>
-      <p>Last updated: <span id="updated"></span></p>
+      <p>Last updated: <span id="updated"></span> (UTC+0)</p>
-    <script>document.getElementById('updated').textContent = new Date().toLocaleString('en-US', { year: 'numeric', month: 'long', day: 'numeric', hour: '2-digit', minute: '2-digit' });</script>
+    <script>document.getElementById('updated').textContent = new Date().toISOString().replace('T', ' ').substring(0, 16);</script>
     </footer>
   </main>
 </body>