how to display date in website

//String should be date and in dd MMM yyyy format
public static string GetOrdinal(string s)
{
    int Number = Convert.ToInt32(s.Split(' ')[0]);
    string suffix = String.Empty;
    if (Number.ToString().Length > 2)
    {
        int intEndNum = Convert.ToInt32(Number.ToString().Substring(Number.ToString().Length - 2, 2));
        if (intEndNum >= 11 && intEndNum <= 13)
            switch (intEndNum)
            {
                case 11:
                case 12:
                case 13:
                    suffix = "th";
                    break;
            }
    }


    if (Number >= 21)
    {
        //Handles 21st, 22nd, 23rd, et al
        int Number21 = Convert.ToInt32(Number.ToString().Substring(Number.ToString().Length - 1, 1));
        switch (Number21)
        {
            case 1:
                suffix = "st";
                break;
            case 2:
                suffix = "nd";
                break;
            case 3:
                suffix = "rd";
                break;
            case 0:
                suffix = "th";
                break;
            default:
                for (int i = 4; i <= 9; i++)
                {
                    if (Number21 == i)
                    {
                        suffix = "th";
                        break;
                    }
                    else
                        suffix = String.Empty;
                }
                break;
        }
    }
    else
    {
        switch (Number)
        {
            case 1:
                suffix = "st";
                break;
            case 2:
                suffix = "nd";
                break;
            case 3:
                suffix = "rd";
                break;
            default:
                for (int i = 4; i <= 21; i++)
                {
                    if (Number == i)
                    {
                        suffix = "th";
                        break;
                    }
                    else
                    {
                        suffix = String.Empty;
                    }
                }
                break;
        }
    }
    string NewDate = s.Split(' ')[0]+""+suffix + " " + s.Split(' ')[1] + " " + s.Split(' ')[2];
    return NewDate;
}

static void Main()
{
    string TodayDate = DateTime.Now.ToString("dd MMM yyyy");
    string date = GetOrdinal(TodayDate);
    Console.WriteLine(date);
}