Re: [caldav] All Day Events

Helge Hess <helge.hess@opengroupware.org> Wed, 09 March 2011 02:28 UTC

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From: Helge Hess <helge.hess@opengroupware.org>
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Date: Tue, 8 Mar 2011 18:29:58 -0800
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To: Michael Rasmussen <mir@datanom.net>
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Subject: Re: [caldav] All Day Events
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On Mar 8, 2011, at 6:21 PM, Michael Rasmussen wrote:
> 1)
> DTSTART;VALUE=DATE:20110303
> DTEND;VALUE=DATE:20110303 

Not sure what you are talking about but the above is invalid iCalendar:

  http://www.apps.ietf.org/rfc/rfc2445.html#sec-4.8.2.2

  "Within the "VEVENT" calendar component, this property defines
   the date and time by which the event ends. The value MUST be
   later in time than the value of the "DTSTART" property."

DTEND is exclusive, not inclusive. Your option two is right for a one day event.

Another option is using duration, eg:
  DTSTART;VALUE=DATE:20110303
  DURATION:P1D

hh