BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:46b5e446-3a79-44ac-916c-79a053be7dc4
DTSTAMP:20260420T162534Z
DTSTART;VALUE=DATE:20260720
SUMMARY:Marine Day (Japón)
END:VEVENT
END:VCALENDAR