JavaScript getTimezoneOffset() Method
 JavaScript Date Object
Definition and Usage
The getTimezoneOffset() method returns the time difference between Greenwich Mean Time (GMT) and local time,
in minutes.
For example, If your time zone is GMT+2, -120 will be returned.
Note: This method is always used in conjunction with a Date object.
Syntax
Browser Support
The getTimezoneOffset() method is supported in all major browsers.
Tips and Notes
Note: The returned value is not a constant, because of the practice of using Daylight Saving Time.
Example
Example
Return the timezone difference 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>
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The output of the code above will be:
Try it yourself »
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JavaScript Date Object
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