BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T053631Z
DTSTART:20261224T060000Z
DTEND:20261226T055900Z
SUMMARY:christmas-eve-and-christmas-day-holiday
LOCATION:    
END:VEVENT
END:VCALENDAR