OLETIME to DateTime 👍

using System;

class Program
{
    static void Main()
    {
        byte[] bytes = new byte[] { 190, 110, 116, 207, 178, 140, 229, 64 };
        long l = BitConverter.ToInt64( bytes, 0 );    // 4676298487706709694
        double d = BitConverter.Int64BitsToDouble(l); // 44133.5878240741
        DateTime dt = DateTime.FromOADate( d );       // 2020.10.29. 14:06:28
        Console.WriteLine( dt );
    }
}