BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:3de9b58b-1ec8-4596-934c-03087207961b
DTSTAMP:20260420T165714Z
DTSTART;VALUE=DATE:20260720
SUMMARY:Marine Day (Japon)
END:VEVENT
END:VCALENDAR