BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:222d34a3-3b31-447e-bf04-3ea4ad547cc8
DTSTAMP:20260421T132758Z
DTSTART;VALUE=DATE:20261225
SUMMARY:Christmas Day (Poland)
END:VEVENT
END:VCALENDAR