BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251217T065546
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6aa648f2c4bf3
DTSTAMP:20260913T065546Z
SUMMARY:Signale aus Raum und Zeit
DTSTART:20260920T160000Z
DTEND:20260920T160000Z
END:VEVENT
END:VCALENDAR