BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250915T171051
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a2c3d9bcf2dc
DTSTAMP:20260612T171051Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270321T100000Z
DTEND:20270321T100000Z
END:VEVENT
END:VCALENDAR