BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251115T021519
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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BEGIN:VEVENT
UID:6a7bd7376a478
DTSTAMP:20260812T021519Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270325T100000Z
DTEND:20270325T100000Z
END:VEVENT
END:VCALENDAR