System.Globalization.Calendar.GetDayOfWeek C# (CSharp) Method

        public abstract DayOfWeek GetDayOfWeek(DateTime time);

        public void SetDaysInScope()
        {
            _daysInScope = new List <string>();
            _dayCodes    = new List <int>();

            int day            = _day;
            int month          = _month;
            int year           = _year;
            int numDaysInMonth = _numberOfDaysInMonth;

            string dayString;
            string dayOfWeekAlpha;
            string monthAlpha;
            string dayCode;

            for (int i = 0; i < _numDaysBeingDisplayed; i++, day++)
            {
                dayCode = "";

                if (day > numDaysInMonth)
                {
                    day = day - numDaysInMonth;
                    month++;

                    if (month > 12)
                    {
                        year++;
                        month = 1;
                    }

                    numDaysInMonth = DateTime.DaysInMonth(year, month);
                }


                DateTime currentDay = new DateTime(year, month, day, new GregorianCalendar());
                dayOfWeekAlpha = _myCal.GetDayOfWeek(currentDay).ToString();
                monthAlpha     = GetMonthString(month);

                dayString = dayOfWeekAlpha + ", " + monthAlpha + " " + day.ToString();
                _daysInScope.Add(dayString);


                dayCode += _myCal.GetDayOfMonth(currentDay).ToString();
                dayCode += month.ToString();
                dayCode += year.ToString();
                _dayCodes.Add(Int32.Parse(dayCode));

                Console.WriteLine("Day Code: " + dayCode);
            }
        }