C# Como identificar o dia da semana?

Ae Pessoal

Fica uma dica para quem precisar identificar o dia da semana utilizando c#

                //Exemplo 1
                switch (DateTime.Now.DayOfWeek)
                {
                    case DayOfWeek.Friday:
                        break;
                    case DayOfWeek.Monday:
                        break;
                    case DayOfWeek.Saturday:
                        break;
                    case DayOfWeek.Sunday:
                        break;
                    case DayOfWeek.Thursday:
                        break;
                    case DayOfWeek.Tuesday:
                        break;
                    case DayOfWeek.Wednesday:
                        break;
                    default:
                        break;
                }

                //Exemplo 2
                DateTime hoje = new DateTime(2011, 11, 28);
                switch (hoje.DayOfWeek)
                {
                    case DayOfWeek.Friday:
                        break;
                    case DayOfWeek.Monday:
                        break;
                    case DayOfWeek.Saturday:
                        break;
                    case DayOfWeek.Sunday:
                        break;
                    case DayOfWeek.Thursday:
                        break;
                    case DayOfWeek.Tuesday:
                        break;
                    case DayOfWeek.Wednesday:
                        break;
                    default:
                        break;
                }

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