Extracting day in a given date in C#
You can get the day in a given date like below: 

using System;

namespace forgetCode
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine("Enter year in the format dd-mm-yyyy");
            DateTime dt = Convert.ToDateTime(Console.ReadLine());

            //Know the day

            int day = dt.Day;

            Console.WriteLine("The day in the date you entered: "+day);
        }

    }
}


Output:
Enter year in the format dd-mm-yyyy
22-02-2012
The day in the date you entered: 22

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