BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260110T192004
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ac69b640c38d
DTSTAMP:20261007T192004Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20261219T090000Z
DTEND:20261219T090000Z
END:VEVENT
END:VCALENDAR