Tickets :: Comment on [#12843] Wrong timezone calculation with CalDAV

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Comment	> I'm sorry, there is really a problem as you can see bellow. > Can you please tell me how the timezone parsing is done in Horde when > importing ICS data ? > > Did Horde use TZID and/or X-LIC-LOCATION line or use only DTSTART/DTEND ? > > As you can see bellow, when timezone in TZID and X-LIC-LOCATION lines > are different than timezone in DTSTART and DTEND lines it works. > > ---> > BEGIN:VCALENDAR > VERSION:2.0 > PRODID:-//dmfs.org//mimedir.icalendar//EN > BEGIN:VTIMEZONE > TZID:Europe/Berlin > X-LIC-LOCATION:Europe/Berlin > BEGIN:DAYLIGHT > TZOFFSETFROM:+0100 > TZOFFSETTO:+0200 > TZNAME:CEST > DTSTART:19700329T020000 > RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU > END:DAYLIGHT > BEGIN:STANDARD > TZOFFSETFROM:+0200 > TZOFFSETTO:+0100 > TZNAME:CET > DTSTART:19701025T030000 > RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU > END:STANDARD > END:VTIMEZONE > BEGIN:VEVENT > DTSTART;TZID=Europe/Berlin:20131119T180000 > DESCRIPTION:Some Description > SUMMARY:CalDAV-Sync Test Event > LOCATION:Some Location > TRANSP:OPAQUE > STATUS:CONFIRMED > DTEND;TZID=Europe/Berlin:20131119T190000 > LAST-MODIFIED:20131118T133721Z > DTSTAMP:20131118T133721Z > CREATED:20131118T133721Z > UID:d9efd40a-39b5-4d62-9129-83ff649fa1a8 > BEGIN:VALARM > TRIGGER;VALUE=DURATION:-PT10M > ACTION:DISPLAY > DESCRIPTION:Default Event Notification > X-WR-ALARMUID:45da49a7-9941-4ff9-8b27-b45c5c4c4c39 > END:VALARM > END:VEVENT > END:VCALENDAR > ---> > > Show: > > Event title: CalDAV-Sync Test Event > From 11/19/2013 17:00 to 11/19/2013 17:59 Timezone: Europe/Berlin > => The date is converted but there is no reason to convert it as in > the ics file there is: > DTSTART;TZID=Europe/Berlin:20131119T180000 > DTEND;TZID=Europe/Berlin:20131119T190000 > > > Now, just do the following modification in the ICS file: > -DTSTART;TZID=Europe/Berlin:20131119T180000 > +DTSTART;TZID=Europe/Paris:20131119T180000 > -DTEND;TZID=Europe/Berlin:20131119T190000 > +DTEND;TZID=Europe/Paris:20131119T190000 > > (and so keep Europe/Berlin for TZID and X-LIC-LOCATION.) > > ---> > BEGIN:VCALENDAR > VERSION:2.0 > PRODID:-//dmfs.org//mimedir.icalendar//EN > BEGIN:VTIMEZONE > TZID:Europe/Berlin > X-LIC-LOCATION:Europe/Berlin > BEGIN:DAYLIGHT > TZOFFSETFROM:+0100 > TZOFFSETTO:+0200 > TZNAME:CEST > DTSTART:19700329T020000 > RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU > END:DAYLIGHT > BEGIN:STANDARD > TZOFFSETFROM:+0200 > TZOFFSETTO:+0100 > TZNAME:CET > DTSTART:19701025T030000 > RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU > END:STANDARD > END:VTIMEZONE > BEGIN:VEVENT > DTSTART;TZID=Europe/Paris:20131119T180000 > DESCRIPTION:Some Description > SUMMARY:CalDAV-Sync Test Event > LOCATION:Some Location > TRANSP:OPAQUE > STATUS:CONFIRMED > DTEND;TZID=Europe/Paris:20131119T190000 > LAST-MODIFIED:20131118T133721Z > DTSTAMP:20131118T133721Z > CREATED:20131118T133721Z > UID:d9efd40a-39b5-4d62-9129-83ff649fa1a8 > BEGIN:VALARM > TRIGGER;VALUE=DURATION:-PT10M > ACTION:DISPLAY > DESCRIPTION:Default Event Notification > X-WR-ALARMUID:45da49a7-9941-4ff9-8b27-b45c5c4c4c39 > END:VALARM > END:VEVENT > END:VCALENDAR > ---> > > Show: > > Event title: CalDAV-Sync Test Event > From 11/19/2013 18:00 to 11/19/2013 18:59 Timezone: Europe/Paris > > Of course, i have tried this two imports tests multiple times for be > sure of the result.
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