using System;

public class Program

{

    public static void Main()

    {

        DateTime dt=new DateTime(2011,11,13);

        //short date

        Console.WriteLine(dt.ToString("d"));

        //long date

        Console.WriteLine(dt.ToString("D"));

        //full datetimepattern-short time

        Console.WriteLine(dt.ToString("f"));

        //full datetimepattern-long time

        Console.WriteLine(dt.ToString("F"));

        //short time

        Console.WriteLine(dt.ToString("t"));

        //long time

        Console.WriteLine(dt.ToString("T"));

    }

}