using System;

public class Program

{

    public static void Main()

    {

        double d1 = 42367.004176192124000;

        double d2 = 42367.004175578702000;

        string f = "MM/dd/yyyy hh:mm:ss:ff";

        DateTime dt = DateTime.FromOADate(d1);

        Console.WriteLine(dt.ToString(f));

        DateTime dt2 = DateTime.FromOADate(d2);

        Console.WriteLine(dt2.ToString(f));

    }

}