using System;

using System.Globalization;                 

public class Program

{

    public static void Main()

    {

        var cultureInfo = new CultureInfo("en-US", true);

        DateTime LastUpdateDate = DateTime.ParseExact("Oct 27 2022 9:09:50:693PM", "MMM dd yyyy h:mm:ss:ffftt", cultureInfo);

        Console.WriteLine(LastUpdateDate.ToString());

    }

}