BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250909T232133
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a24ab7d10249
DTSTAMP:20260606T232133Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270421T090000Z
DTEND:20270421T090000Z
END:VEVENT
END:VCALENDAR