using System;

public class Program

{

    public static void Main()

    {

// Define two dates.

​

// DateTime date1 = new DateTime(   1, 1, 1, 0, 0, 0);

// DateTime date2 = new DateTime(1970, 1, 1, 0, 0, 0);

// Define two dates.

DateTime date1 = new DateTime(1, 1, 1, 0, 0, 0);

DateTime date2 = new DateTime(1970, 1, 1, 0, 0, 0);

​

// Calculate the interval between the two dates.

TimeSpan interval = date2 - date1;

Console.WriteLine("{0} - {1} = {2}", date2, date1, interval.ToString());

​

// Display individual properties of the resulting TimeSpan object.

Console.WriteLine("   {0,-35} {1,20}", "Value of Days Component:", interval.Days);

Console.WriteLine("   {0,-35} {1,20}", "Total Number of Days:", interval.TotalDays);

Console.WriteLine("   {0,-35} {1,20}", "Value of Hours Component:", interval.Hours);

Console.WriteLine("   {0,-35} {1,20}", "Total Number of Hours:", interval.TotalHours);

Console.WriteLine("   {0,-35} {1,20}", "Value of Minutes Component:", interval.Minutes);

Console.WriteLine("   {0,-35} {1,20}", "Total Number of Minutes:", interval.TotalMinutes);

Console.WriteLine("   {0,-35} {1,20:N0}", "Value of Seconds Component:", interval.Seconds);

Console.WriteLine("   {0,-35} {1,20:N0}", "Total Number of Seconds:", interval.TotalSeconds);

Console.WriteLine("   {0,-35} {1,20:N0}", "Value of Milliseconds Component:", interval.Milliseconds);

Console.WriteLine("   {0,-35} {1,20:N0}", "Total Number of Milliseconds:", interval.TotalMilliseconds);

Console.WriteLine("   {0,-35} {1,20:N0}", "Ticks:", interval.Ticks);

        byte[] b = new byte[] { 0x03, 0xa1 , 0xe5 , 0xd4 , 0xd2 , 0xb1 , 0xd5 , 0x88 };

        Int64 vOut = BitConverter.ToInt64(b, 0);

        Console.WriteLine(vOut);

        //ulong d1 = (Int64) 0x7470cb2d414de4d6;

        DateTime date3 = DateTime.FromBinary(vOut);

        Console.WriteLine( "{0}", date3.ToString());

    }

}