tampilkan waktu server

<!DOCTYPE html>
<html>
<head>
<script>
var today=new Date('<?php echo date('F j, Y h:i:s')?>');
function startTime()
{
 var today1 = new Date();
 today1.setDate(today.getSeconds()+1);
 var h=today1.getHours();
 var m=today1.getMinutes();
 var s=today1.getSeconds();
// add a zero in front of numbers<10
  m=checkTime(m);
  s=checkTime(s);
  document.getElementById('txt').innerHTML=h+":"+m+":"+s;
  t=setTimeout(function(){startTime()},1000);
}

function checkTime(i)
{
  i=(i<10)?"0" + i:i;
  return i;
}
</script>
</head>

<body onload="startTime()">
<div id="txt"></div>
</body>
</html>