BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:c3f2f96c-4453-44a7-b773-3f096bd699d3
DTSTAMP:20260420T124621Z
DTSTART;VALUE=DATE:20260504
SUMMARY:Greenery Day (Japon)
END:VEVENT
END:VCALENDAR