How to get client side timezone id in JavaScript?

Question

I need to get client side timezone using JavaScript. I am using below code.

new Date().toString().split('(')[1].slice(0, -1)

But it returns timezone daylightname, and I need id.

For example, client side timezone as set as (UTC-05:00) Eastern Time (US & Canada) and I need to get output as Eastern Standard Time . But I am getting Eastern Daylight Time as output.

Can I do this without any additional plugin requirements?

Answer 1

Try the following

var objdatetime = new Date();
var timezone = objdatetime.toTimeString();
var tzstr = timezone.split("(");
var timezoneid = tzstr[1].toString().replace(")","");
alert(timezoneid);

Answer 2

这个怎么样？

new Date().toString().split('(')[1].slice(0, -1).replace('Daylight', 'Standard')