DateTimeOffset format: dddd
using System; using System.Globalization; public class Test { public static void Main() { DateTimeOffset displayDate = new DateTimeOffset(2010, 1, 1, 13, 18, 00, DateTimeOffset.Now.Offset); Console.WriteLine("{0:D}", displayDate); Console.WriteLine("{0:d} is a {0:dddd}.",displayDate); } } /* Friday, January 01, 2010 1/1/2010 is a Friday. */