need day of week in arabic culture

DateTime dt = DateTime.Now;
MessageBox.Show("DayOfWeek=" + dt.Date.DayOfWeek.ToString());

DayOfWeek=  Sunday

DayOfWeek=   الاحد

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Globalization;
using System.Threading;

namespace ToCodeProject
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {   string[] strArr;
            //Get current culture of application:
            CultureInfo UsersCulture = Thread.CurrentThread.CurrentCulture;
            MessageBox.Show("The current culture of this application is : " + UsersCulture.Name);
            //We will change this to English/USA
            Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
            MessageBox.Show("The current culture of this application is : " + Thread.CurrentThread.CurrentCulture);
            strArr = Thread.CurrentThread.CurrentCulture.DateTimeFormat.AbbreviatedMonthGenitiveNames;
            for (int i = 0; i < 12; i++) MessageBox.Show(strArr[i]);//Jan Feb Mar ...
            strArr = Thread.CurrentThread.CurrentCulture.DateTimeFormat.AbbreviatedDayNames;// will be written in Arabic like السبت الاحد الاثنيين ....
            for (int i = 0; i < 7; i++) MessageBox.Show(strArr[i]);// Sat Sun Mon ...
            //We will change this to Arabic/Saudia arabia
            //Set current culture of application:
            Thread.CurrentThread.CurrentCulture = new CultureInfo("ar-SA");
            MessageBox.Show("The current culture of this application is : " + Thread.CurrentThread.CurrentCulture);
            strArr = Thread.CurrentThread.CurrentCulture.DateTimeFormat.AbbreviatedMonthGenitiveNames;
            for (int i = 0; i < 12; i++) MessageBox.Show(strArr[i]);//محرم صفر ربيع ...
            strArr = Thread.CurrentThread.CurrentCulture.DateTimeFormat.AbbreviatedDayNames;// will be written in Arabic like السبت الاحد الاثنيين ....
            for (int i = 0; i < 7; i++) MessageBox.Show(strArr[i]);// السبت الاحد الاثنيين ....<------------Line A
            // change the keyboard language
            //http://www.microsoft.com/middleeast/msdn/WinFormsAndArabic.aspx#_Toc136842137
            InputLanguage.CurrentInputLanguage = InputLanguage.FromCulture(Application.CurrentCulture);//Set language to current culture
            InputLanguage.CurrentInputLanguage = InputLanguage.FromCulture(new CultureInfo("ar-SA"));// set it to Arabic saudia arabia
            DateTime dt = DateTime.Now;
            MessageBox.Show("DayOfWeek=" + dt.Date.DayOfWeek.ToString());//<-------- i need day of the week in arabic name not in english
        }
    }
}