BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:429d49b6-1dc6-4e1e-a1fc-d727305abddb
DTSTAMP:20260421T005749Z
DTSTART;VALUE=DATE:20271227
SUMMARY:Alternative holiday for Christmas Day (Corea del Sur)
END:VEVENT
END:VCALENDAR