<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var d = new Date();
document.getElementById("demo").innerHTML = d;
alert(d.getTimezoneOffset()/-60);
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var d = new Date();
document.getElementById("demo").innerHTML = d;
alert(d.getTimezoneOffset()/-60);
</script>
</body>
</html>
getTimeZone.hml