BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:2cc25c29-2d91-460e-93b5-9440305fb65f
DTSTAMP:20260420T212826Z
DTSTART;VALUE=DATE:20260923
SUMMARY:Autumnal Equinox (Japón)
END:VEVENT
END:VCALENDAR