# File lib/chronic/mini_date.rb, line 18
    def is_between?(md_start, md_end)
      return false if (@month == md_start.month && @month == md_end.month) &&
                      (@day < md_start.day || @day > md_end.day)
      return true if (@month == md_start.month && @day >= md_start.day) ||
                     (@month == md_end.month && @day <= md_end.day)

      i = (md_start.month % 12) + 1

      until i == md_end.month
        return true if @month == i
        i = (i % 12) + 1
      end

      return false
    end