JavaScript getTimezoneOffset() Method

Complete Date Object Reference

Definition and Usage

The getTimezoneOffset() method returns the difference in minutes between Greenwich Mean Time (GMT) and local time.

Syntax

dateObject.getTimezoneOffset()

Tips and Notes

Note: The returned value of this method is not a constant, because of the practice of using Daylight Saving Time.

Note: This method is always used in conjunction with a Date object.

Example

In the following example we get the difference in minutes between Greenwich Mean Time (GMT) and local time:

<script type="text/javascript">

var d = new Date();
document.write(d.getTimezoneOffset());

</script>

The output of the code above will be:

Example 2

Now we will convert the example above into GMT +/- hours:

<script type="text/javascript">

var d = new Date()
var gmtHours = d.getTimezoneOffset()/60;
document.write("The local time zone is: GMT " + gmtHours);

</script>

The output of the code above will be:

Try-It-Yourself Demos

getTimezoneOffset()
How to use getTimezoneOffset() to get the local time zone according to GMT.

Complete Date Object Reference

Get Your Diploma! W3Schools' Online Certification Program is the perfect solution for busy professionals who need to balance work, family, and career building. The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS. The JavaScript Certificate is for developers who want to document their knowledge of JavaScript and the HTML DOM. The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.

Jump to: Top of Page or HOME or Printer friendly page

W3Schools provides material for training only. We do not warrant the correctness of its contents. The risk from using it lies entirely with the user. While using this site, you agree to have read and accepted our terms of use and privacy policy.

Copyright 1999-2008 by Refsnes Data. All Rights Reserved.

W3Schools was converted to XHTML in December 1999