using System;

public class Program

{

    public static void Main()

    {

        DateTime centuryBegin = new DateTime(2001, 1, 1);

        DateTime currentDate = DateTime.Now;

​

        long elapsedTicks = currentDate.Ticks - centuryBegin.Ticks;

        TimeSpan elapsedSpan = new TimeSpan(elapsedTicks);

​

        Console.WriteLine("Elapsed from the beginning of the century to {0:f}:", 

                           currentDate);

        Console.WriteLine("   {0:N0} nanoseconds", elapsedTicks * 100);

        Console.WriteLine("   {0:N0} ticks", elapsedTicks);

        Console.WriteLine("   {0:N2} seconds", elapsedSpan.TotalSeconds);

        Console.WriteLine("   {0:N2} minutes", elapsedSpan.TotalMinutes);

        Console.WriteLine("   {0:N0} days, {1} hours, {2} minutes, {3} seconds", 

                          elapsedSpan.Days, elapsedSpan.Hours, 

                          elapsedSpan.Minutes, elapsedSpan.Seconds);

        // If run on December 14, 2007, at 15:23, this example displays the

        // following output to the console:

        //    Elapsed from the beginning of the century to Friday, December 14, 2007 3:23 PM:

        //          219,338,580,000,000,000 nanoseconds

        //          2,193,385,800,000,000 ticks

        //          219,338,580.00 seconds

        //          3,655,643.00 minutes

        //          2,538 days, 15 hours, 23 minutes, 0 seconds

    }

}