BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:3585c1af-0181-4ac7-9b21-80150ea32d6a
DTSTAMP:20260419T225136Z
DTSTART;VALUE=DATE:20260506
SUMMARY:Substitute Holiday (Japon)
END:VEVENT
END:VCALENDAR