Java tutorial
import java.util.Calendar; import java.util.Date; public class Main { public static void main(String[] args) { Date date1 = new Date(2009, 01, 10); Date date2 = new Date(2015, 07, 01); Calendar calendar1 = Calendar.getInstance(); Calendar calendar2 = Calendar.getInstance(); calendar1.setTime(date1); calendar2.setTime(date2); long milliseconds1 = calendar1.getTimeInMillis(); long milliseconds2 = calendar2.getTimeInMillis(); long diff = milliseconds2 - milliseconds1; long diffSeconds = diff / 1000; long diffMinutes = diff / (60 * 1000); long diffHours = diff / (60 * 60 * 1000); long diffDays = diff / (24 * 60 * 60 * 1000); System.out.println("\nThe Date Different Example"); System.out.println("Time in milliseconds: " + diff + " milliseconds."); System.out.println("Time in seconds: " + diffSeconds + " seconds."); System.out.println("Time in minutes: " + diffMinutes + " minutes."); System.out.println("Time in hours: " + diffHours + " hours."); System.out.println("Time in days: " + diffDays + " days."); } }