docs: public String convertToReadableDate(Holiday holiday) {
          DateTimeFormatter parser = ISODateTimeFormat.date();
  
          if (holiday.isInDateForm()) {
              String month = Integer.toString(holiday.getMonth()).length() < 2
                  ? "0" + holiday.getMonth() : Integer.toString(holiday.getMonth());
              String day = Integer.toString(holiday.getDayOfMonth()).length() < 2
                  ? "0" + holiday.getDayOfMonth() : Integer.toString(holiday.getDayOfMonth());
              return holiday.getYear() + "-" + month + "-" + day;
          } else {
              /*
               * 5 denotes the final occurrence of the day in the month. Need to find actual
               * number of occurrences
               */
              if (holiday.getOccurrence() == 5) {
                  holiday.setOccurrence(numOccurrences(holiday.getYear(), holiday.getMonth(),
                      holiday.getDayOfWeek()));
              }
  
              DateTime date = parser.parseDateTime(holiday.getYear() + "-"
                  + holiday.getMonth() + "-" + "01");
              Calendar calendar = Calendar.getInstance();
              calendar.setTime(date.toDate());
              int count = 0;
  
              while (count < holiday.getOccurrence()) {
                  if (calendar.get(Calendar.DAY_OF_WEEK) == holiday.getDayOfWeek()) {
                      count++;
                      if (count == holiday.getOccurrence()) {
                          break;
                      }
                  }
                  date = date.plusDays(1);
                  calendar.setTime(date.toDate());
              }
              return date.toString().substring(0, 10);
          }
      }