這裡使用JavaScript將當前時間轉換成UTC標准時間，北京在東八區，在北京時間基礎上減掉8小時
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 <!DOCTYPE html> <html> <body> <p id="demo"> Click the button to display the UTC date and time as a string. </p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var d = new Date(); var x = document.getElementById("demo"); x.innerHTML=d.toUTCString(); } </script> </body> </html>