BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ac2ade61-5199-4932-ba9f-3c8892f9823a
DTSTAMP:20260420T214929Z
DTSTART;VALUE=DATE:20271227
SUMMARY:Christmas Day (substitute day) (Guernsey)
END:VEVENT
END:VCALENDAR