BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ab39f012-9b89-4733-8b3d-57fd8ded6a4b
DTSTAMP:20260421T012800Z
DTSTART;VALUE=DATE:20260503
SUMMARY:Constitution Day (Japan)
END:VEVENT
END:VCALENDAR