NTP Server Time

Question

How to get NTP serever time.

Gaurav Pal · Answer

I am using following code and pass different servers but show same result Results time-c.nist.gov Thu, 18-Jun-2015 7:29:31 AM 2.pool.ntp.org Thu, 18-Jun-2015 7:30:39 AM nist-time-server.eoni.com Thu, 18-Jun-2015 7:31:44 AM Code: public static DateTime GetNetworkTime1() { const string ntpServer = "nist-time-server.eoni.com"; var ntpData = new byte[48]; ntpData[0] = 0x1B; //LeapIndicator = 0 (no warning), VersionNum = 3 (IPv4 only), Mode = 3 (Client Mode) var addresses = Dns.GetHostEntry(ntpServer).AddressList; var ipEndPoint = new IPEndPoint(addresses[0], 123); var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); socket.Connect(ipEndPoint); socket.Send(ntpData); socket.Receive(ntpData); socket.Close(); ulong intPart = (ulong)ntpData[40] ulong fractPart = (ulong)ntpData[44] var milliseconds = (intPart * 1000) + ((fractPart * 1000) / 0x100000000L); var networkDateTime = (new DateTime(1900, 1, 1)).AddMilliseconds((long)milliseconds); return networkDateTime; }

Khan Abrar Ahmed · Answer

Hi check this links http://stackoverflow.com/questions/1193955/how-to-query-an-ntp-server-using-c http://www.codeproject.com/Articles/38276/An-SNTP-Client-for-C-and-VB-NET http://dotnet-snippets.com/snippet/simple-network-time-ntp-protocol-client/571

NTP Server Time

Answers (2)