... 2013 on this test If I use this command if MAX( dStart, RESERVA->CHECK_IN ) > MIN( dEnd, RESERVA->CHECK_OUT ) I have this http://img248.imageshack.us/img248/3225/15372047.png If I use if MAX( dStart, RESERVA->CHECK_IN ) <= MIN( dEnd, RESERVA->CHECK_OUT ) I ...