BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:4231f3df-59fc-4901-9755-4dc4f32abe12
DTSTAMP:20260423T005056Z
DTSTART;VALUE=DATE:20261210
SUMMARY:Constitution Day (Thailand)
END:VEVENT
END:VCALENDAR