BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//UniDistance - Fernuni/Events//
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/Zurich
BEGIN:STANDARD
DTSTART:20231029T010000
TZOFFSETTO:+0100
TZOFFSETFROM:+0200
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:20230326T010000
TZOFFSETTO:+0200
TZOFFSETFROM:+0100
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
UID:1012
DTSTART:20230417T120000
DTEND:20230417T130000
SUMMARY:Monday teaching lunches
DESCRIPTION:
LOCATION:Online\, 
DTSTAMP:20261027T235358Z
END:VEVENT
END:VCALENDAR