docs: int getMonthOfYear(long millis, int year) {
          int doyZeroBased = (int) ((millis - getYearMillis(year)) / DateTimeConstants.MILLIS_PER_DAY);
          if (doyZeroBased == 354) {
              return 12;
          }
          return ((doyZeroBased * 2) / MONTH_PAIR_LENGTH) + 1;
  //        return (int) (doyZeroBased / 29.9f) + 1;
  //        
  //        int monthPairZeroBased = doyZeroBased / MONTH_PAIR_LENGTH;
  //        int monthPairRemainder = doyZeroBased % MONTH_PAIR_LENGTH;
  //        return (monthPairZeroBased * 2) + 1 + (monthPairRemainder >= LONG_MONTH_LENGTH ? 1 : 0);
      }