BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T163309Z
DTSTART:20181224T180000Z
DTEND:20181225T190000Z
SUMMARY:111118-christmas
LOCATION:    
END:VEVENT
END:VCALENDAR