BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Koyomi//Japanese Calendar 1923-12//JA
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20260919T045010Z
DTSTART;VALUE=DATE:19231208
SUMMARY:大雪
UID:koyomi-1923-12-0@koyomi.local
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
DTSTAMP:20260919T045010Z
DTSTART;VALUE=DATE:19231223
SUMMARY:冬至
UID:koyomi-1923-12-1@koyomi.local
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR