code: public boolean isExceptionToday() {
          if (daysOfWeek != null && daysOfWeek.length > 0) {
              int dayOfWeekNow = Calendar.getInstance().get(Calendar.DAY_OF_WEEK);
              for (int exceptionDay : daysOfWeek) {
                  if (exceptionDay == dayOfWeekNow) {
                      return true;
                  }
              }
          }
          return false;
      }
docs: If today is a day configured as an exception.
  
  @return true if so.
  @see #daysOfWeek