Java tutorial
import static java.time.temporal.ChronoUnit.DAYS; import java.time.LocalDate; import java.time.Month; import java.time.Period; public class Main { public static void main(String[] argv) { LocalDate startEmployment = LocalDate.of(2010, Month.SEPTEMBER, 8); LocalDate today = LocalDate.now(); Period period = startEmployment.until(today); System.out.println("period = " + period); long numberOfDays = startEmployment.until(today, DAYS); System.out.println("numberOfDays = " + numberOfDays); } }