how to get timezone offset value

Question

My requirement is , i need to convert the time zone value to offset value for ex.. Asia/Dubai to +4 .. consider am intializing date in js.

var currentDate = new Date();

and it is possible to set the time zone and get the offset..

currentDate.setTimezone("Asia/Dubai");
var offsetValue=currentDate.getTimezoneOffset();

alert('offsetValue---'+offsetValue);

its not working.. page error at set time zone.. is there any other way to get the offet value? Need to consider DST too..

Answer 1

This is not a valid jquery statement

currentDate.setTimezone("Asia/Dubai");

just remove this line and you'll get the timezone offset.

Answer 2

The Date object doesn't know a setTimezone method. If you want to set a Date to the 'Asia/Dubai' timezone, this could be a way:

var regionalDate = new Date;
regionalDate.setHours(regionalDate.getUTCHours()+4); //=> set to UTC+4