BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250924T003607
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a3731f753911
DTSTAMP:20260621T003607Z
SUMMARY:Leonardo da Vinci – Erfindungen erleben
DTSTART:20270124T100000Z
DTEND:20270124T100000Z
END:VEVENT
END:VCALENDAR