BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250722T103648
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:69e35ec0821f6
DTSTAMP:20260418T103648Z
SUMMARY:Schwarze Löcher
DTSTART:20260418T160000Z
DTEND:20260418T160000Z
END:VEVENT
END:VCALENDAR