Managing timezone in php with ics date/time format

Posted by John on Stack Overflow See other posts from Stack Overflow or by John
Published on 2010-04-09T15:10:32Z Indexed on 2010/04/09 15:13 UTC
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Ok, I'm using an ICS parser utility to parse google calendar ICS files. It works great, except google is feeding me the times of the events at UCT.. so I need to subtract 5 hours now, and 6 hours when daylight savings happens.

To get the start time I'm using:

$timestart = date("g:iA",strtotime(substr($event['DTSTART'], 9, -3)));
//$event['DTSTART'] feeds me back the date in ICS format: 20100406T200000Z

So any suggestions how to handle timezone and daylight savings time?

Thanks in advance

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