using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        var date = "14/07/2018 14:00:00 ق.ظ";

        DateTime dt=DateTime.ParseExact(date, "dd/MM/yyyy HH:mm:ss ق.ظ", CultureInfo.InvariantCulture);

        Console.WriteLine(dt.Day);

        Console.WriteLine(dt.Month);

        Console.WriteLine(dt.Year);

    }

}