BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:59325d8c-38f3-4b68-ae41-7d922bfa11ba
DTSTAMP:20260420T095040Z
DTSTART;VALUE=DATE:20260506
SUMMARY:Substitute Holiday (Japón)
END:VEVENT
END:VCALENDAR