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    jstimezonedetect
    DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/jstimezonedetect package

    1.0.7 • Public • Published

    Introduction

    This script gives you the zone info key representing your device's time zone setting.

    The return value is an IANA zone info key (aka the Olson time zone database).

    The IANA timezone database is pretty much standard for most platforms (UNIX and Mac support it natively, and every programming language in the world either has native support or well maintained libraries that support it).

    Example Use

    Invoke the script by calling

    var tz = jstz.determine();
    tz.name();
    'Europe/Berlin'
    

    Use Case

    The script is useful if you do not want to disturb your users with questions about what time zone they are in. You can rely on this script to give you a key that is usable for server side date and time normalizations across time zones.

    Limitations

    This script does not do geo-location, nor does it care very much about historical time zones. So if you are unhappy with the time zone "Europe/Berlin" when the user is in fact in "Europe/Stockholm" - this script is not for you. They are both identical in modern time.

    Also, if it is important to you to know that in Europe/Simferopool (Ukraine) the UTC offset before 1924 was +2.67, sorry, this script will not help you.

    Time zones are a screwed up thing, generally speaking, and the scope of this script is to solve problems concerning modern time zones, in this case from 2010 and onwards.

    Web Implementation

    Simply include the dist/jstz.min.js file on your webpage at which point the jstz object will be exposed to you. You can always find the latest version at https://cdnjs.com/libraries/jstimezonedetect

    NPM package

    The latest version is always available as jstimezonedetect in NPM.

    > var jstz = require('jstimezonedetect');
    > jstz.determine().name();
    'America/Chicago'
    

    Demo

    There is an updated demo running on: http://pellepim.bitbucket.org/jstz/.

    Contribute?

    If you want to contribute to the project (perhaps fix a bug, or reflect a change in time zone rules), please simply issue a Pull Request. Please take note that jstz.main.js is the source code, while jstz.rules.js is a generated file, any changes therein will be overwritten. The build is found in the dist folder in full and minified versions.

    $ npm install 
    

    Credits

    Thanks to

    Other contributors: Gilmore Davidson

    Install

    npm i jstimezonedetect

    DownloadsWeekly Downloads

    83,232

    Version

    1.0.7

    License

    none

    Unpacked Size

    62.7 kB

    Total Files

    7

    Last publish

    Collaborators

    • benng
    • pellepim