BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:fd4f8dc2-988b-42b1-8da3-81555662e567
DTSTAMP:20260420T011159Z
DTSTART;VALUE=DATE:20261225
SUMMARY:Christmas Day (Portugal)
END:VEVENT
END:VCALENDAR