BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:47c67343-8fe5-43ee-abe6-fa9822d66c4a
DTSTAMP:20260421T183116Z
DTSTART;VALUE=DATE:20261224
SUMMARY:Christmas Eve (Poland)
END:VEVENT
END:VCALENDAR