BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251217T104102
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa67dbe9cc8d
DTSTAMP:20260913T104102Z
SUMMARY:Klassische Schlossführung
DTSTART:20260919T090000Z
DTEND:20260919T090000Z
END:VEVENT
END:VCALENDAR