BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260109T075848
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ac4aa38df1f8
DTSTAMP:20261006T075848Z
SUMMARY:Eine Winterreise
DTSTART:20261225T180000Z
DTEND:20261225T180000Z
END:VEVENT
END:VCALENDAR