BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T011804Z
DTSTART:20260907T050000Z
DTEND:20260908T045900Z
SUMMARY:labor-day-holiday
LOCATION:    
END:VEVENT
END:VCALENDAR