BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251208T210611
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a9b32c3898d3
DTSTAMP:20260904T210611Z
SUMMARY:Zeitreise - Vom Urknall zum Menschen
DTSTART:20261021T130000Z
DTEND:20261021T130000Z
END:VEVENT
END:VCALENDAR