BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.now/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:a4738255-2a7d-450d-a17e-12bb03c097ca
DTSTAMP:20260420T204112Z
DTSTART;VALUE=DATE:20261225
SUMMARY:Christmas Day (Portugal)
END:VEVENT
END:VCALENDAR