BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T145927Z
DTSTART:20231225T133000Z
DTEND:20231226T223000Z
SUMMARY:christmas-holiday-
LOCATION:    
END:VEVENT
END:VCALENDAR