BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250921T235616
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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BEGIN:VEVENT
UID:6a3485a0937a2
DTSTAMP:20260618T235616Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270228T100000Z
DTEND:20270228T100000Z
END:VEVENT
END:VCALENDAR