Tickets :: Comment on [#12900] Weekly by day recurring event ICS export issue with timezone

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Comment	> Horde exports this recurring event in ICS format: > > BEGIN:VEVENT > DTSTART:20090915T013000Z > DTEND:20090915T043001Z > DTSTAMP:20140103T033921Z > UID:20090913191940.14556mns5e2c5n28@(myserver) > CREATED:20110501T223030Z > LAST-MODIFIED:20110501T223030Z > SUMMARY:(some event) > CLASS:PUBLIC > STATUS:CONFIRMED > TRANSP:OPAQUE > RRULE:FREQ=WEEKLY;INTERVAL=1;BYDAY=MO > EXDATE;TZID=America/Vancouver:20091117T023000Z > END:VEVENT > > We are UTC -8 (UTC -7 during DST when the event was created) here. > The event is Mondays at 6:30 pm, or UTC 1:30 am on Tuesday. > > Since you are exporting the date in UTC format, programs I'm > importing the event into expect the "RRULE" recur on day to be the > UTC day as well. So, it should be Tuesday rather than Monday for > this event, because the event happens on Tuesday UTC rather than > Monday UTC. > > I have confirmed that even though Horde displays this recurring event > on Mondays, both Thunderbird/Lightning, IOS 7, and Google Calendar > display this event on Sundays. They both get the time right, but the > day is off by one. > > Recurring events that happen on the same day UTC and UTC -8 appear on > the correct day in these applications, so it's just this weird case > where the recurring event occurs on a different day UTC vs. UTC -8 > (ie: events after 4:00 pm).
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