BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:58176303-0331-4706-8a4c-26bcbc657e7d
DTSTAMP:20260420T213415Z
DTSTART;VALUE=DATE:20271227
SUMMARY:Christmas Day (substitute day) (Guernesey)
END:VEVENT
END:VCALENDAR