BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:fe8eb6fd-bb36-4372-b664-eff4b8f660ac
DTSTAMP:20260420T194518Z
DTSTART;VALUE=DATE:20261228
SUMMARY:Boxing Day (substitute day) (Guernsey)
END:VEVENT
END:VCALENDAR