BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:90a779eb-e06d-4e4d-b19c-862d88ada027
DTSTAMP:20260419T231227Z
DTSTART;VALUE=DATE:20261228
SUMMARY:Boxing Day (substitute day) (Guernsey)
END:VEVENT
END:VCALENDAR