BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260120T061128
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ad31190911fe
DTSTAMP:20261017T061128Z
SUMMARY:Adventsfenster
DTSTART:20261208T170000Z
DTEND:20261208T170000Z
END:VEVENT
END:VCALENDAR