BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:9f0038fb-e931-4c27-b074-514f78fd77c2
DTSTAMP:20260420T112840Z
DTSTART;VALUE=DATE:20260504
SUMMARY:Greenery Day (Japón)
END:VEVENT
END:VCALENDAR