using System; class MainClass { public static void Main(string[] args) { TimeSpan timespan1 = new TimeSpan(2, 12, 0, 0); // Create a TimeSpan representing 4.5 days. TimeSpan timespan2 = new TimeSpan(4, 12, 0, 0); // Create a TimeSpan representing 1 week. TimeSpan oneWeek = timespan1 + timespan2; Console.WriteLine("oneWeek : {0}", oneWeek); } }