Predefined Date Time class method/Properties are working on mm/dd/yyyy i want to show mm/dd/yyyy please help

Hi Experts
DateTime dt=new DateTime(05/06/2014) this is in dd/mm/yyyy)
dt.DayOfWeek raturns value based on mm/dd/yyyy formate its taking 5 as month 6 as date.  i want this has return a value based on dd/mm/yyyy formate.
Please help me guys.