cdm/src/main/java/ucar/nc2/dt/grid/GridCoordSys.java
@Override
  public List<CalendarDate> getCalendarDates() {
    if (timeTaxis != null)
      return timeTaxis.getCalendarDates();

    else if (getRunTimeAxis() != null)
      return makeCalendarDates2D();

    else
      return new ArrayList<>();
  }
@Override
  public List<CalendarDate> getCalendarDates() {
    if (timeTaxis != null)
      return timeTaxis.getCalendarDates();

    else if (getRunTimeAxis() != null)
      return makeCalendarDates2D();

    else
      return new ArrayList<>();
  }
///////////////////////////////////////////////////////////////