BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20221224T230000Z
DTSTART:20221224T230000Z
DTEND:20221224T230000Z
SUMMARY:1. Weihnachtstag
END:VEVENT
END:VCALENDAR