BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250913T150539
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a297d433270b
DTSTAMP:20260610T150539Z
SUMMARY:Zeitreise - Vom Urknall zum Menschen
DTSTART:20260614T160000Z
DTEND:20260614T160000Z
END:VEVENT
END:VCALENDAR