BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//uttek//Mail & Kalender//DE
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:61f62c6ae6258a62@demo.example
DTSTAMP:20261103T010248Z
DTSTART;VALUE=DATE:20261225
DTEND;VALUE=DATE:20261226
SUMMARY:1. Weihnachtstag
END:VEVENT
END:VCALENDAR
