BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T105012Z
DTSTART:20250628T233000Z
DTEND:20250629T040000Z
SUMMARY:ritc-105
LOCATION:    
END:VEVENT
END:VCALENDAR