.ics Calendar File - Parsing Date Time - What is the time format?

Posted by Josh on Stack Overflow See other posts from Stack Overflow or by Josh
Published on 2010-04-16T20:15:19Z Indexed on 2010/04/16 20:23 UTC
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php

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regex

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datetime

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calendar

I am coding in php, attempting to get the start\end dates and times for events. I am utilizing the following RegEx for parsing out the information:

$pattern='/(?P<StartDate>[0-9]{8})T(?P<StartTime>[0-9]{6})
.+(?P<EndDate>[0-9]{8})T(?P<EndTime>[0-9]{6})/';

The sample event entry is here:

BEGIN:VEVENT
UID:34b09fd7-8e6e-4d56-86b0-445745b89d93
ORGANIZER;CN=*********:mailto:*********
DTSTART;TZID="(GMT-06.00) Central Time (US & Canada)":20100413T130000
DTEND;TZID="(GMT-06.00) Central Time (US & Canada)":20100413T160000
STATUS:CONFIRMED
CLASS:PRIVATE
X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
TRANSP:OPAQUE
X-MICROSOFT-DISALLOW-COUNTER:TRUE
DTSTAMP:20100414T140711Z
SEQUENCE:0
END:VEVENT

20100413T130000 and 20100413T160000 are the start and end points.

The dates are straight forward, however how do I interpret the time part?

This event starts at one and ends at four.

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