BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:3d649a91-9b09-43fb-bce5-7ed231d6a833
DTSTAMP:20260421T235625Z
DTSTART;VALUE=DATE:20331227
SUMMARY:Christmas Day (observed) (Hong Kong)
END:VEVENT
END:VCALENDAR