TimeZone list for php and iCal

Sample iCAL:

BEGIN:VCALENDAR CALSCALE:GREGORIAN X-WR-TIMEZONE;VALUE=TEXT:US/Pacific METHOD:PUBLISH PRODID:-//Apple Computer\, Inc//iCal 1.0//EN X-WR-CALNAME;VALUE=TEXT:Example VERSION:2.0 BEGIN:VEVENT SEQUENCE:5 DTSTART;TZID=US/Pacific:20021028T140000 DTSTAMP:20021028T011706Z SUMMARY:Coffee with Jason UID:EC9439B1-FF65-11D6-9973-003065F99D04 DTEND;TZID=US/Pacific:20021028T150000 BEGIN:VALARM TRIGGER;VALUE=DURATION:-P1D ACTION:DISPLAY DESCRIPTION:Event reminder END:VALARM END:VEVENT END:VCALENDAR

List of time zones code:

http://www.php.net/manual/en/timezones.america.php

Reference:

http://developer.apple.com/internet/appleapplications/icalendarfiles.html