BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T214219Z
DTSTART:20221226T133000Z
DTEND:20221227T223000Z
SUMMARY:christmas-holiday
LOCATION:    
END:VEVENT
END:VCALENDAR