BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251031T135604
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a68b4f405e86
DTSTAMP:20260728T135604Z
SUMMARY:Eine Winterreise
DTSTART:20261223T183000Z
DTEND:20261223T183000Z
END:VEVENT
END:VCALENDAR