Google Calendar, iCalendar Validator but not bloody Apple iCal

09 April 2009   2 comments   Web development

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I've got a public ical at:

This works in Google Calendar and in the iCalendar Validator but when I try to import this as a file in Apple iCal I get this message:

"Error subscribing to the calendar

Data downloaded from is not valid."

WTF? Who's ass have I not kissed to get this working in Apple iCal? Does anybody know any reason why Apple iCal is being so trixy?


Arnout Engelen
Actually, the feed currently does not validate: it specifies a TZID for an UTC time, which is forbidden as per section 3.2.19 of RFC5545. Both the validator you link to and my more restrictive one at point that out.
Peter Bengtsson
Great! Thanks. I must have been sleepy when I last looked into it.

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