Read the statement by Michael Teeuw here.
Goggle Calendar (iCal) event displaying incorrect time (offset by TimeZone amount (-11 hours))
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Platform: Raspberry Pi 4 Model B Rev 1.4 8gb
Node Version: v14.18.2
MagicMirror Version: v2.17.1
Description…
I added a couple of Google Calendar private iCal URLs to theCalendar
module{ module: "calendar", header: "", position: "top_left", hideTime: true, config: { fullDayEventDateFormat: "MMM Do", calendars: [ { symbol: "...", url: "https://calendar.google.com/calendar/ical/.../private-.../basic.ics" }, { symbol: "...", url: "https://calendar.google.com/calendar/ical/.../private-.../basic.ics" }, { symbol: "", url: "https://www.vic.gov.au/sites/default/files/2021-09/Victorian-public-holiday-dates.ics" }, { symbol: "clock", url: "https://www.vic.gov.au/sites/default/files/2021-03/Daylight-saving.ics" } ] } },
(fyi, the source of the issue is from the second private calendar, but I’ll provide some more details below)
When running MM, the event
BEGIN:VEVENT DTSTART;TZID=Australia/Melbourne:20211107T090000 DTEND;TZID=Australia/Melbourne:20211107T100000 RRULE:FREQ=WEEKLY DTSTAMP:20211220T212053Z UID:C888BE5E-B3FC-442C-B900-44D2DF7E9C6D CREATED:20211028T062118Z DESCRIPTION: LAST-MODIFIED:20211028T062118Z LOCATION: SEQUENCE:0 STATUS:CONFIRMED SUMMARY:Teagan: K6 Sunday 9:30:00 TRANSP:OPAQUE END:VEVENT
is displayed -11 hours (ie the day before @ 2200 instead of 0900), all other events (so far) from the same calendar are been presented correctly
*nb: K6 should be Sunday 09:00, living in Australia/Melbourne Daylight Savings Time, +11)
Google iCal preamble:
BEGIN:VCALENDAR PRODID:-//Google Inc//Google Calendar 70.9054//EN VERSION:2.0 CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:gin.no.tonbo@gmail.com X-WR-TIMEZONE:Australia/Sydney BEGIN:VTIMEZONE TZID:Australia/Sydney X-LIC-LOCATION:Australia/Sydney BEGIN:STANDARD TZOFFSETFROM:+1100 TZOFFSETTO:+1000 TZNAME:AEST DTSTART:19700405T030000 RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:+1000 TZOFFSETTO:+1100 TZNAME:AEDT DTSTART:19701004T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU END:DAYLIGHT END:VTIMEZONE BEGIN:VTIMEZONE TZID:Australia/Melbourne X-LIC-LOCATION:Australia/Melbourne BEGIN:STANDARD TZOFFSETFROM:+1100 TZOFFSETTO:+1000 TZNAME:AEST DTSTART:19700405T030000 RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU END:STANDARD BEGIN:DAYLIGHT TZOFFSETFROM:+1000 TZOFFSETTO:+1100 TZNAME:AEDT DTSTART:19701004T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU END:DAYLIGHT END:VTIMEZONE BEGIN:VTIMEZONE TZID:Australia/Hobart X-LIC-LOCATION:Australia/Hobart BEGIN:DAYLIGHT TZOFFSETFROM:+1000 TZOFFSETTO:+1100 TZNAME:AEDT DTSTART:19701004T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:+1100 TZOFFSETTO:+1000 TZNAME:AEST DTSTART:19700405T030000 RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU END:STANDARD END:VTIMEZONE
Thinking I had screwed something up, I download a copy of the iCal file from Google and run it through another library (biweekly Java Library) and had no issues
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@rustyknight said in Goggle Calendar (iCal) event displaying incorrect time (offset by TimeZone amount (-11 hours)):
download a copy of the iCal file from Google and run it through another library (biweekly Java Library) and had no issues
cool , but we don’t have any Java code in mm.
all volunteer written
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@rustyknight we don’t use the preamble
can u show two events. one good, one bad
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@sdetweil Yes, I figured that, but my experience is in Java and Swift, so I went for what I had and just wanted to see if it was an issue with the source data ;)
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That’s the 945 event
BEGIN:VEVENT DTSTART:20211222T224500Z DTEND:20211222T234500Z DTSTAMP:20211221T223311Z UID:2543FA59-A330-461F-80E8-1C063DA368A6 CREATED:20211219T213900Z DESCRIPTION: LAST-MODIFIED:20211219T213900Z LOCATION: SEQUENCE:0 STATUS:CONFIRMED SUMMARY:9.45 Dr Linley TRANSP:OPAQUE BEGIN:VALARM ACTION:DISPLAY DESCRIPTION:This is an event reminder TRIGGER:-P0DT1H0M0S END:VALARM END:VEVENT
And the bins out (repeating event)
BEGIN:VEVENT DTSTART;TZID=Australia/Sydney:20190205T160000 DTEND;TZID=Australia/Sydney:20190205T161500 EXDATE;TZID=Australia/Sydney:20190205T160000 EXDATE;TZID=Australia/Sydney:20190212T160000 EXDATE;TZID=Australia/Sydney:20190219T160000 EXDATE;TZID=Australia/Sydney:20190226T160000 EXDATE;TZID=Australia/Sydney:20190305T160000 EXDATE;TZID=Australia/Sydney:20190312T160000 EXDATE;TZID=Australia/Sydney:20190319T160000 EXDATE;TZID=Australia/Sydney:20190326T160000 EXDATE;TZID=Australia/Sydney:20190402T160000 EXDATE;TZID=Australia/Sydney:20190409T160000 EXDATE;TZID=Australia/Sydney:20190416T160000 EXDATE;TZID=Australia/Sydney:20190423T160000 EXDATE;TZID=Australia/Sydney:20190430T160000 EXDATE;TZID=Australia/Sydney:20190507T160000 EXDATE;TZID=Australia/Sydney:20190514T160000 EXDATE;TZID=Australia/Sydney:20190521T160000 EXDATE;TZID=Australia/Sydney:20190528T160000 EXDATE;TZID=Australia/Sydney:20190604T160000 EXDATE;TZID=Australia/Sydney:20190611T160000 EXDATE;TZID=Australia/Sydney:20190618T160000 EXDATE;TZID=Australia/Sydney:20190625T160000 EXDATE;TZID=Australia/Sydney:20190702T160000 EXDATE;TZID=Australia/Sydney:20190709T160000 EXDATE;TZID=Australia/Sydney:20190716T160000 EXDATE;TZID=Australia/Sydney:20190723T160000 EXDATE;TZID=Australia/Sydney:20190730T160000 EXDATE;TZID=Australia/Sydney:20190806T160000 EXDATE;TZID=Australia/Sydney:20190813T160000 EXDATE;TZID=Australia/Sydney:20190820T160000 EXDATE;TZID=Australia/Sydney:20190827T160000 EXDATE;TZID=Australia/Sydney:20190903T160000 EXDATE;TZID=Australia/Sydney:20190910T160000 EXDATE;TZID=Australia/Sydney:20190917T160000 EXDATE;TZID=Australia/Sydney:20190924T160000 EXDATE;TZID=Australia/Sydney:20191001T160000 EXDATE;TZID=Australia/Sydney:20191008T160000 EXDATE;TZID=Australia/Sydney:20191015T160000 EXDATE;TZID=Australia/Sydney:20191022T160000 EXDATE;TZID=Australia/Sydney:20191029T160000 EXDATE;TZID=Australia/Sydney:20191105T160000 EXDATE;TZID=Australia/Sydney:20191112T160000 EXDATE;TZID=Australia/Sydney:20191119T160000 EXDATE;TZID=Australia/Sydney:20191126T160000 EXDATE;TZID=Australia/Sydney:20191203T160000 EXDATE;TZID=Australia/Sydney:20191210T160000 EXDATE;TZID=Australia/Sydney:20191217T160000 EXDATE;TZID=Australia/Sydney:20191224T160000 EXDATE;TZID=Australia/Sydney:20191231T160000 EXDATE;TZID=Australia/Sydney:20200107T160000 EXDATE;TZID=Australia/Sydney:20200114T160000 EXDATE;TZID=Australia/Sydney:20200121T160000 EXDATE;TZID=Australia/Sydney:20200128T160000 EXDATE;TZID=Australia/Sydney:20200204T160000 EXDATE;TZID=Australia/Sydney:20200211T160000 EXDATE;TZID=Australia/Sydney:20200218T160000 EXDATE;TZID=Australia/Sydney:20200225T160000 EXDATE;TZID=Australia/Sydney:20200303T160000 EXDATE;TZID=Australia/Sydney:20200310T160000 EXDATE;TZID=Australia/Sydney:20200317T160000 EXDATE;TZID=Australia/Sydney:20200324T160000 EXDATE;TZID=Australia/Sydney:20200331T160000 EXDATE;TZID=Australia/Sydney:20200407T160000 EXDATE;TZID=Australia/Sydney:20200414T160000 EXDATE;TZID=Australia/Sydney:20200421T160000 EXDATE;TZID=Australia/Sydney:20200428T160000 EXDATE;TZID=Australia/Sydney:20200505T160000 EXDATE;TZID=Australia/Sydney:20200512T160000 EXDATE;TZID=Australia/Sydney:20200519T160000 EXDATE;TZID=Australia/Sydney:20200526T160000 EXDATE;TZID=Australia/Sydney:20200602T160000 EXDATE;TZID=Australia/Sydney:20200609T160000 EXDATE;TZID=Australia/Sydney:20200616T160000 EXDATE;TZID=Australia/Sydney:20200623T160000 EXDATE;TZID=Australia/Sydney:20200630T160000 EXDATE;TZID=Australia/Sydney:20200707T160000 EXDATE;TZID=Australia/Sydney:20200714T160000 EXDATE;TZID=Australia/Sydney:20200721T160000 EXDATE;TZID=Australia/Sydney:20200728T160000 EXDATE;TZID=Australia/Sydney:20200804T160000 EXDATE;TZID=Australia/Sydney:20200811T160000 EXDATE;TZID=Australia/Sydney:20200818T160000 EXDATE;TZID=Australia/Sydney:20200825T160000 EXDATE;TZID=Australia/Sydney:20200901T160000 EXDATE;TZID=Australia/Sydney:20200908T160000 EXDATE;TZID=Australia/Sydney:20200915T160000 EXDATE;TZID=Australia/Sydney:20200922T160000 EXDATE;TZID=Australia/Sydney:20200929T160000 EXDATE;TZID=Australia/Sydney:20201006T160000 EXDATE;TZID=Australia/Sydney:20201013T160000 EXDATE;TZID=Australia/Sydney:20201020T160000 EXDATE;TZID=Australia/Sydney:20201027T160000 EXDATE;TZID=Australia/Sydney:20201103T160000 EXDATE;TZID=Australia/Sydney:20201110T160000 EXDATE;TZID=Australia/Sydney:20201117T160000 EXDATE;TZID=Australia/Sydney:20201124T160000 EXDATE;TZID=Australia/Sydney:20201201T160000 EXDATE;TZID=Australia/Sydney:20201208T160000 EXDATE;TZID=Australia/Sydney:20201215T160000 EXDATE;TZID=Australia/Sydney:20201222T160000 EXDATE;TZID=Australia/Sydney:20210105T160000 EXDATE;TZID=Australia/Sydney:20210119T160000 EXDATE;TZID=Australia/Sydney:20210126T160000 EXDATE;TZID=Australia/Sydney:20210202T160000 EXDATE;TZID=Australia/Sydney:20210209T160000 EXDATE;TZID=Australia/Sydney:20210302T160000 EXDATE;TZID=Australia/Sydney:20210309T160000 EXDATE;TZID=Australia/Sydney:20210406T160000 EXDATE;TZID=Australia/Sydney:20210413T160000 EXDATE;TZID=Australia/Sydney:20210420T160000 EXDATE;TZID=Australia/Sydney:20210427T160000 EXDATE;TZID=Australia/Sydney:20210504T160000 EXDATE;TZID=Australia/Sydney:20210518T160000 EXDATE;TZID=Australia/Sydney:20210525T160000 EXDATE;TZID=Australia/Sydney:20210601T160000 EXDATE;TZID=Australia/Sydney:20210608T160000 EXDATE;TZID=Australia/Sydney:20210615T160000 EXDATE;TZID=Australia/Sydney:20210622T160000 EXDATE;TZID=Australia/Sydney:20210629T160000 EXDATE;TZID=Australia/Sydney:20210720T160000 EXDATE;TZID=Australia/Sydney:20210727T160000 EXDATE;TZID=Australia/Sydney:20210803T160000 EXDATE;TZID=Australia/Sydney:20210810T160000 EXDATE;TZID=Australia/Sydney:20210817T160000 EXDATE;TZID=Australia/Sydney:20210824T160000 EXDATE;TZID=Australia/Sydney:20211116T160000 EXDATE;TZID=Australia/Sydney:20211130T160000 EXDATE;TZID=Australia/Sydney:20211207T160000 EXDATE;TZID=Australia/Sydney:20211214T160000 EXDATE;TZID=Australia/Sydney:20211228T160000 EXDATE;TZID=Australia/Sydney:20220104T160000 RRULE:FREQ=WEEKLY DTSTAMP:20211221T223311Z UID:fhebaqcm1q4si46p3dbi0fkar8@google.com CREATED:20181008T052126Z DESCRIPTION: LAST-MODIFIED:20211214T203247Z LOCATION: SEQUENCE:2 STATUS:CONFIRMED SUMMARY:Bins out TRANSP:OPAQUE BEGIN:VALARM ACTION:DISPLAY DESCRIPTION:This is an event reminder TRIGGER:-P0DT1H0M0S END:VALARM BEGIN:VALARM ACTION:NONE TRIGGER;VALUE=DATE-TIME:19760401T005545Z END:VALARM END:VEVENT
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@rustyknight im pretty sure the k6 problem is caused by the repeating rule.
the rule engine we use assumes start date/time is in local time format not utc.
everything else is utc,
so there is a double conversion cause it takes the date from one and time from another…I also assume your system time is set to Melbourne…
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@sdetweil Yes, I went through all the PI settings and made sure they are set to Melbourne.
I’m not overly concerned about as I’m only testing this stuff out, my wife will have whinge though 🙄
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@rustyknight i found the problem in the calendar module a while back #2632) and have submitted a fix for the next release, Jan 1.
https://github.com/MichMich/MagicMirror/pull/2748/
which hasbeen accepted and merged…
if u want to test it now, you can do this
https://forum.magicmirror.builders/topic/14327/testing-new-fixes-or-solving-current-problems-with-next-release-code