import org.apache.commons.net.ntp.NTPUDPClient;

import org.apache.commons.net.ntp.TimeInfo;

import java.net.InetAddress;

import java.net.UnknownHostException;

import java.net.InetAddress.*;

import java.util.Date;

import java.util.Calendar;

import org.apache.commons.net.ntp.TimeStamp;

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.util.Locale;

import java.io.IOException;

public class t {

    public static void main(String[] args) {

        try {

            NTPUDPClient timeClient = new NTPUDPClient();

            String timeServerUrl = "24.56.178.140";

            InetAddress timeServerAddress = InetAddress.getByName(timeServerUrl);

            TimeInfo timeInfo = timeClient.getTime(timeServerAddress);

            TimeStamp timeStamp = timeInfo.getMessage().getTransmitTimeStamp();

            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");

            System.out.println(dateFormat.format(timeStamp.getDate()));

        } catch (UnknownHostException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}