# File lib/chef/resource/cron.rb, line 83
      def day(arg=nil)
        if arg.is_a?(Integer)
          converted_arg = arg.to_s
        else
          converted_arg = arg
        end
        begin
          if integerize(arg) > 31 then raise RangeError end
        rescue ArgumentError
        end
        set_or_return(
          :day,
          converted_arg,
          :kind_of => String
        )
      end