code: public final ReadOnlyObjectProperty<LocalTime> startTimeProperty() {
          if (startTime == null) {
              startTime = new ReadOnlyObjectWrapper<>(this, "startTime", _startTime); //$NON-NLS-1$
          }
          return startTime.getReadOnlyProperty();
      }
docs: The time where the entry view starts (not the start time of the calendar
  entry).
  
  @return the start time of the view (not of the calendar entry)