get curect time and date from intrenet(a site)

static void Main(string[] args)
{
    //Iran coordinates
    string latitude = "32.4917";
    string longitude = "53.6167";

    string uri = string.Format(
       "http://www.earthtools.org/timezone/{0}/{1}", latitude, longitude);
    string xml = PostRequest(uri, string.Empty, MediaTypeNames.Text.Html);
    
    timezone instance = Deserialize(xml);
    DateTime localTime = instance.GetLocalTime();

    Console.WriteLine(
       "The date and time is : " + localTime.ToString("dd MMM yyyy HH:mm:ss"));
    Console.Read();
}

private static timezone Deserialize(string xmlText)
{
    using (MemoryStream memStream =
       new MemoryStream(Encoding.UTF8.GetBytes(xmlText)))
    {
        XmlSerializer ser = new XmlSerializer(typeof(timezone));
        return (timezone)ser.Deserialize(memStream);
    }
}

private static string PostRequest(string uri, string msgBody, string contentType)
{
    HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(uri);
    webReq.Timeout = 60 * 1000;
    webReq.Method = "POST";
    webReq.ContentType = contentType;
    webReq.ContentLength = msgBody.Length;

    using (StreamWriter streamOut =
       new StreamWriter(webReq.GetRequestStream(), System.Text.Encoding.ASCII))
    {
        streamOut.Write(msgBody);
        streamOut.Flush();
        streamOut.Close();
    }

    string response = null;
    using (StreamReader streamIn =
       new StreamReader(webReq.GetResponse().GetResponseStream()))
    {
        response = streamIn.ReadToEnd();
        streamIn.Close();
    }

    return response;
}

[Serializable()]
public class GpsCoordinates
{
    public string latitude { get; set; }
    public string longitude { get; set; }
}

[Serializable()]
public class timezone
{
    public string version { get; set; }
    public GpsCoordinates location { get; set; }
    public string offset { get; set; }
    public string suffix { get; set; }
    public string localtime { get; set; }
    public string isotime { get; set; }
    public string utctime { get; set; }
    public string dst { get; set; }

    public DateTime GetLocalTime()
    {
        return DateTime.Parse(localtime);
    }
}