<!doctype html>

<html lang="en">

 <head>

  <meta charset="UTF-8">

  <title>The Current time</title>

 </head>

 <body>

  
    
   <span>The Current time:</span>

   <span id="datetime"></span>

  
  <script type="text/javascript">

           setInterval(

     function(){

        var date = new Date(+new Date()+8*3600*1000).toISOString().replace(/T/g,' ').replace(/\.[\d]{3}Z/,'');

        document.getElementById("datetime").innerHTML = date;

         },1000);

    
  </script>

 </body>

</html>