package TCP;
import java.sql.Date;
import java.text.SimpleDateFormat;
public class NTPTest{
    private static final long SECS = 60*60*24*25567L;
    public static void main (String[]args){
        String []test1 = {"E1","47","F8","82","CE","8E","9E","93" };
        String []test2 = {"E1","47","F8","82","CE","8E","9E","93" };
        String []test3 = {"E1","47","F8","82","CE","8E","9E","93" };
        calculate(test1);
        calculate(test2);
        calculate(test3);
    }

    private static void calculate(String[] test1) {
        int[] data= new int[8];
        for (int i = 0; i < 8; i++) {
            data[i] = Integer.parseInt(test1[i],16);
        }
        double timestamp = 0.0;
        for(int i=0; i<8; i++){
            timestamp += data[i]*Math.pow(2,(3-i)*8);
        }
        String result = new SimpleDateFormat("YYYY-MM-dd HH:mm:ss.SSS" ).format(new Date((long)(1000.0*(timestamp - SECS))));
        System.out.println(result);
    }
}