BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:5d67023a-464f-4219-ac7b-efe4a1f59a7f
DTSTAMP:20260422T151431Z
DTSTART;VALUE=DATE:20260423
SUMMARY:First Day of Summer (Islandia)
END:VEVENT
END:VCALENDAR