JavaScript DHTML/Date Time/Time Zone
Get Time zone Offset
<html>
<body>
<button onclick="var myDate = new Date();
alert(myDate.getTimezoneOffset());">
Date: get Timezone Offset
</button>
</body>
</html>
<html>
<body>
<button onclick="var myDate = new Date();
alert(myDate.getTimezoneOffset());">
Date: get Timezone Offset
</button>
</body>
</html>