Different NSTimeZone names being returned

Posted by Michael Waterfall on Stack Overflow See other posts from Stack Overflow or by Michael Waterfall
Published on 2010-01-31T12:30:14Z Indexed on 2010/03/21 5:01 UTC
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iphone

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I've noticed that on some devices the NSTimeZone's name method for a particular timezone can return different values. When testing the Brisbane time zone, my device returns @"Australia/Brisbane" whereas another user's device returns "Etc/GMT-10". Both iPhone's are running 3.1.2.

The Date and Time Programming Guide for Cocoa states that:

timeZoneWithName: The name passed to this method may be in any of the formats understood by the system, for example EST, Etc/GMT-2, America/Argentina/Buenos_Aires, Europe/Monaco, or US/Pacific, as shown in the following code fragment.

I'd just like to know what could determine which value is used? The device? The language?

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