BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251126T145001
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a8b0899b5b47
DTSTAMP:20260823T145001Z
SUMMARY:Tag des offenen Denkmals
DTSTART:20260913T100000Z
DTEND:20260913T100000Z
END:VEVENT
END:VCALENDAR