C#.NET - Custom DateTime formats with examples

using System;

class Program

{

    static void Main(string[] args)

    {

        string str = string.Empty;

        //There are following custom format specifiers

        //y Year

        str = String.Format("{0:y yy yyy yyyy}", DateTime.Now);

        //13 13 2013 2013

        //M Month

        str = String.Format("{0:M MM MMM MMMM}", DateTime.Now);

        //10 10 Oct October

        //d Day

        str = String.Format("{0:d dd ddd dddd}", DateTime.Now);

        //23 23 Wed Wednesday

        //h 12-Hours, H 24-Hours

        str = String.Format("{0:h hh H HH}", DateTime.Now);

        //3 03 15 15

        //m Minute

        str = String.Format("{0:m mm}", DateTime.Now);

        //0 00

        //s Second

        str = String.Format("{0:s ss}", DateTime.Now);

        //22 22

        //f Second Fraction

        str = String.Format("{0:f ff fff ffff}", DateTime.Now);

        //4 47 473 4737

        //t A.M or P.M

        str = String.Format("{0:t tt}", DateTime.Now);

        //P PM

        //z Time Zone

        str = String.Format("{0:z zz zzz}", DateTime.Now);

        //+5 +05 +05:30

    }

}