How to Get the Client Timezone Offset in JavaScript
Read this tutorial and learn several useful methods that are used to detect the client timezone offset in JavaScript easily. Choose the best one for you.
The client’s timezone offset can be detected by some JavaScript methods. Let’s discuss each of them in this tutorial.
getTimezoneOffset()
You can get the client’s timezone offset by using the Date object’s <kbd class="highlighted">getTimezoneOffset()</kbd> method. This method represents the time difference between the UTC time and the local time, in minutes. It returns non-constant value because of the practice of using Daylight Saving Time.
Javascript Date object getTimezoneOffset() method
Intl.DateTimeFormat()
You can also use another method to get the system's IANA timezone in JavaScript:
Javascript Date time format method
In the ECMAScript 2015 Internationalization API version, the timeZone property will be the name of the default time zone if no timeZone property was provided in the options object provided to the <kbd class="highlighted">Intl.DateTimeFormat</kbd> constructor. In previous versions, it will return undefined.
This method is supported nearly on all browsers.
The <kbd class="highlighted">Intl.DateTimeFormat</kbd> constructor is for objects enabling language-sensitive date and time formatting.