BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250923T072115
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a363f6b271cb
DTSTAMP:20260620T072115Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20261229T100000Z
DTEND:20261229T100000Z
END:VEVENT
END:VCALENDAR