BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//SabreDAV//SabreDAV//EN
CALSCALE:GREGORIAN
X-WR-CALNAME:test
X-APPLE-CALENDAR-COLOR:#e78074
BEGIN:VTIMEZONE
TZID:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19700329T020000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19701025T030000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
CREATED:20190303T154052Z
LAST-MODIFIED:20190303T154145Z
DTSTAMP:20190303T154145Z
UID:5d4c6843-9300-4f91-8d88-6094d4b0b840
SUMMARY:original event
RRULE:FREQ=DAILY;UNTIL=20190320T030000Z
DTSTART;TZID=Europe/Berlin:20190318T040000
DTEND;TZID=Europe/Berlin:20190318T050000
TRANSP:OPAQUE
X-MOZ-GENERATION:3
SEQUENCE:1
END:VEVENT
BEGIN:VEVENT
CREATED:20190303T154131Z
LAST-MODIFIED:20190303T154145Z
DTSTAMP:20190303T154145Z
UID:5d4c6843-9300-4f91-8d88-6094d4b0b840
SUMMARY:edited duration
RECURRENCE-ID;TZID=Europe/Berlin:20190319T040000
DTSTART;TZID=Europe/Berlin:20190319T040000
DURATION:PT3H
TRANSP:OPAQUE
X-MOZ-GENERATION:3
SEQUENCE:2
LOCATION:location
DESCRIPTION:
CLASS:
END:VEVENT
END:VCALENDAR