1. LocalDate startDate = LocalDate.of(2020, 2, 20);
    2. LocalDate endDate = LocalDate.of(2021, 1, 15);
    3. long years = ChronoUnit.YEARS.between(startDate, endDate);
    4. long months = ChronoUnit.MONTHS.between(startDate, endDate);
    5. long weeks = ChronoUnit.WEEKS.between(startDate, endDate);
    6. long days = ChronoUnit.DAYS.between(startDate, endDate);
    7. long hours = ChronoUnit.HOURS.between(startDate, endDate);
    8. long minutes = ChronoUnit.MINUTES.between(startDate, endDate);
    9. long seconds = ChronoUnit.SECONDS.between(startDate, endDate);
    10. long milis = ChronoUnit.MILLIS.between(startDate, endDate);
    11. long nano = ChronoUnit.NANOS.between(startDate, endDate);