using System;
using System.Linq;
 
public class Test
{
	public static void Main()
	{
		var date = DateTime.FromOADate(BitConverter.ToDouble(
    (new byte[]{0x40,0xE4,0xA1,0x7C,0x20,0x78,0x2C,0x71}).Reverse().ToArray(),
  0));
        Console.WriteLine(date);
	}
}