BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251217T084501
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa6628dec0e9
DTSTAMP:20260913T084501Z
SUMMARY:Beethoven und sein Erbe
DTSTART:20270117T100000Z
DTEND:20270117T100000Z
END:VEVENT
END:VCALENDAR