BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:912dbe3f-282f-43c3-911a-8b34723c86df
DTSTAMP:20260420T074957Z
DTSTART;VALUE=DATE:20260811
SUMMARY:Mountain Day (Japón)
END:VEVENT
END:VCALENDAR