BEGIN:VCALENDAR
PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
VERSION:2.0
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:20200206T210738Z
LAST-MODIFIED:20200206T210826Z
DTSTAMP:20200206T210826Z
UID:b65c2b5b-b785-4edc-9560-e0379036d1f2
SUMMARY:one is cancelled
RRULE:FREQ=DAILY;COUNT=3
DTSTART;TZID=Europe/Berlin:20200128T220000
DTEND;TZID=Europe/Berlin:20200128T230000
TRANSP:OPAQUE
X-MOZ-GENERATION:3
SEQUENCE:1
END:VEVENT
BEGIN:VEVENT
CREATED:20200206T210806Z
LAST-MODIFIED:20200206T210826Z
DTSTAMP:20200206T210826Z
UID:b65c2b5b-b785-4edc-9560-e0379036d1f2
SUMMARY:one is cancelled
STATUS:CANCELLED
RECURRENCE-ID;TZID=Europe/Berlin:20200129T220000
DTSTART;TZID=Europe/Berlin:20200129T220000
DTEND;TZID=Europe/Berlin:20200129T230000
LOCATION:
DESCRIPTION:
TRANSP:OPAQUE
CLASS:
SEQUENCE:2
END:VEVENT
END:VCALENDAR