BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260109T075927
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ac4aa5fcc2cf
DTSTAMP:20261006T075927Z
SUMMARY:Eine Winterreise
DTSTART:20261223T183000Z
DTEND:20261223T183000Z
END:VEVENT
END:VCALENDAR