using System;

using System.Globalization;             

public class Program

{

    public static void Main()

    {

        string arabicTextDate= "٢٠١٩-٠٩-٠٣";

     var str = arabicTextDate

    .Replace('\u0660','0')

    .Replace('\u0661','1')

    .Replace('\u0662','2')

    .Replace('\u0663','3')

    .Replace('\u0664','4')

    .Replace('\u0665','5')

    .Replace('\u0666','6')

    .Replace('\u0667','7')

    .Replace('\u0668','8')

    .Replace('\u0669','9');

        Console.WriteLine(str);

        DateTime dt=DateTime.ParseExact(str, "yyyy-MM-dd", CultureInfo.InvariantCulture);

        Console.WriteLine(dt.ToString("MM/dd/yyyy"));

    }

}