BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//GHOST NODE//Countdown//DE
BEGIN:VEVENT
UID:xmas@ghost-node
DTSTAMP:20261111T215857Z
DTSTART:20261224T170000Z
DTEND:20261224T180000Z
SUMMARY:Heiligabend
RRULE:FREQ=YEARLY
END:VEVENT
END:VCALENDAR