BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
PRODID:-//SabreDAV//SabreDAV//EN
X-WR-CALNAME:task-test
X-APPLE-CALENDAR-COLOR:#F1DB50
BEGIN:VTIMEZONE
TZID:Europe/Vienna
X-LIC-LOCATION:Europe/Vienna
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19810329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19961027T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VTODO
DTSTAMP:20200702T093453Z
UID:d81d1ece-84cd-42e6-8caa-fbba0bc1cefa
SEQUENCE:1
CREATED:20200702T092715Z
LAST-MODIFIED:20200702T093447Z
SUMMARY:recurring task
STATUS:NEEDS-ACTION
RRULE:FREQ=MONTHLY
DUE;TZID=Europe/Vienna:20200222T230000
DTSTART;TZID=Europe/Vienna:20200222T220000
END:VTODO
BEGIN:VTODO
DTSTAMP:20200702T093453Z
UID:dff330ec-3d21-4e19-967f-0234da3ac51c
CREATED:20200702T093447Z
LAST-MODIFIED:20200702T093447Z
SUMMARY:recurring task
STATUS:COMPLETED
DUE;TZID=Europe/Vienna:20200122T230000
DTSTART;TZID=Europe/Vienna:20200122T220000
COMPLETED:20200702T093447Z
PERCENT-COMPLETE:100
END:VTODO
END:VCALENDAR