using System;

public class Example15

{

   public static void Main()

   {

      DateTime baseDate = new DateTime(2021, 10, 15);

      Console.WriteLine("    Base Date:        {0:d}\n", baseDate);

​

      // Show dates of previous fifteen years.

      for (int ctr = -1; ctr >= -15; ctr--)

         Console.WriteLine("{0,2} year(s) ago:        {1:d}", 

                           Math.Abs(ctr), baseDate.AddYears(ctr));

      Console.WriteLine();

​

      // Show dates of next fifteen years.

      for (int ctr = 1; ctr <= 15; ctr++)

         Console.WriteLine("{0,2} year(s) from now:   {1:d}", 

                           ctr, baseDate.AddYears(ctr));

   }

}