Calendar calendarRightNow = Calendar.getInstance();
LocalDate localDateRightNow = LocalDate.fromCalendarFields(calendarRightNow);
LocalDate initDate = localDateRightNow.minusYears(1);
LocalDate endDate = localDateRightNow.plusYears(5);
this.timeTracker = new TimeTracker(new Interval(
TimeTrackerState.year(initDate.getYear()),
TimeTrackerState.year(endDate.getYear())),
planner.getZoomLevel(), firstLevelModificators,
secondLevelModificators, planner);
}