BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251217T163639
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa6d11719076
DTSTAMP:20260913T163639Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270516T090000Z
DTEND:20270516T090000Z
END:VEVENT
END:VCALENDAR