Add 2 month to the date time

   
 

using System;
using System.Collections.Generic;
using System.Text;

class Program {
    static void Main(string[] args) {
        DateTime dt = new DateTime(2004, 10, 17);
        dt.AddMonths(2);  // Month is now December.
        Console.WriteLine("Daylight savings: {0}", dt.IsDaylightSavingTime());
    }
}