BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
BEGIN:VTIMEZONE
TZID:Europe/Berlin
BEGIN:STANDARD
DTSTART:19701025T030000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:CET
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:19700329T020000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:CEST
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
UID:973b1564-c4ca-48b7-8718-a83b36d70cfe
DTSTART;TZID=Europe/Berlin:20200922T090000
DTEND;TZID=Europe/Berlin:20200922T100000
CATEGORIES:Besprechung
CREATED:20200922T060138Z
DTSTAMP:20200922T060209Z
LAST-MODIFIED:20200922T060209Z
LOCATION:Test
SUMMARY:Example
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR