Countdown

import java.util.*;

public class Countdown {
    public static int SECONDS_IN_A_DAY = 24 * 60 * 60;
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        System.out.println("What is the day?");
        int dayInput = scan.nextInt();
        dayInput--;

        System.out.println("What is the month?");
        int monthInput = scan.nextInt();
        monthInput--;

        System.out.println("What is the year?");
        int yearInput = scan.nextInt();




        long lastSec = 0;
        while(true){
            Calendar thatDay = Calendar.getInstance();
            thatDay.setTime(new Date(0)); /* reset */
            thatDay.set(Calendar.DAY_OF_MONTH,dayInput);// -1
            thatDay.set(Calendar.MONTH,monthInput); // -1
            thatDay.set(Calendar.YEAR, yearInput);

            Calendar today = Calendar.getInstance();
            long diff =  thatDay.getTimeInMillis() - today.getTimeInMillis();
            long diffSec = diff / 1000;

            long days = diffSec / SECONDS_IN_A_DAY;
            long secondsDay = diffSec % SECONDS_IN_A_DAY;
            long seconds = secondsDay % 60;
            long minutes = (secondsDay / 60) % 60;
            long hours = (secondsDay / 3600) + 5; // + 5 for the time zone

            long sec = System.currentTimeMillis() / 1000;
            if (sec != lastSec) {
                if (days == 0) {
                    System.out.printf("%d hours, %d minutes and %d seconds left\n", hours, minutes, seconds);
                } else {
                    System.out.printf("%d days, %d hours, %d minutes and %d seconds left\n", days, hours, minutes, seconds);
                }
                lastSec = sec;
            }//If():
        }//While
    }
}