http://www.icyphoenix.com/viewtopic.php?f=35&t=8507&p=55654#p55654
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TheSteffen
Sat 05 May, 2012 17:16

Re: Error Date_default_timezone_set()
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Are you using Xampp or do you have it on a live server?

Can you tell us your php version?

I guess xampp and php 5.3.x
You can edit your php.ini file and put in the following line:
date.timezone = "America/Anchorage"
You can find valid time zone strings at http://nl3.php.net/manual/en/timezones.php