Missing time zones in OSX and Windows

Posted by pellepim on Super User See other posts from Super User or by pellepim
Published on 2011-01-17T07:56:09Z Indexed on 2011/01/17 8:55 UTC
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time-zone

I am working on a javascript to automatically detect a user's timezone (https://bitbucket.org/pellepim/jstimezonedetect/). But there are two timezones that I have a really hard time to test, since I can not set my system to observe these timezones.

The timezones I am talking about are UTC+1245 (Chatham Islands, NZ) and UTC+0845 (Australia/Eucla).

As far as I can tell in OSX (Snow Leopard) and in Windows 7 these timezones do not exist as a setting. Granted, very few people live in these areas, and it might just not be worth it.

Does anyone know of a way to set these timezones on a system level? In any operating system?

If it is not possible in a trivial way, what do people who live in these areas do to get their systems working as they would like?

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