BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250913T145728
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a297b5815412
DTSTAMP:20260610T145728Z
SUMMARY:Eine Winterreise
DTSTART:20270121T183000Z
DTEND:20270121T183000Z
END:VEVENT
END:VCALENDAR