BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:ed063892-96af-4450-bf07-7f70d9fbdc0b
DTSTAMP:20260420T040508Z
DTSTART;VALUE=DATE:20261210
SUMMARY:Constitution Day (Tailandia)
END:VEVENT
END:VCALENDAR