Sky's Code

else if (input.StartsWith("date2day "))
                    {
                        string Date = input.Remove(0,9);
                        string[] DateArray = Date.Split();
                        Console.WriteLine("Day : " + DateArray[0]);
                        Console.WriteLine("Month : " + DateArray[1]);
                        Console.WriteLine("Year : " + DateArray[2]);
                        int y = Convert.ToInt32(DateArray[2]);
                        int m = Convert.ToInt32(DateArray[1]);
                        int d = Convert.ToInt32(DateArray[0]);
                        int[] t = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
                        if (m < 3)
                        {
                            y = y - m;
                        }
                        int daycode = (y + y / 4 - y / 100 + y / 400 + t[m - 1] + d) % 7;
                        switch (daycode)
                        {
                            case 0:
                                Console.WriteLine("Sunday");
                                break;
                            case 1:
                                Console.WriteLine("Monday");
                                break;
                            case 2:
                                Console.WriteLine("Tuesday");
                                break;
                            case 3:
                                Console.WriteLine("Wednesday");
                                break;
                            case 4:
                                Console.WriteLine("Thursday");
                                break;
                            case 5:
                                Console.WriteLine("Friday");
                                break;
                            case 6:
                                Console.WriteLine("Saturday");
                                break;

                        }
                    }