# File lib/validates_timeliness/extensions/date_time_select.rb, line 23
        def change(options)
          TimelinessDateTime.new(
            options[:year]  || year,
            options[:month] || month,
            options[:day]   || day,
            options[:hour]  || hour,
            options[:min]   || (options[:hour] ? 0 : min),
            options[:sec]   || ((options[:hour] || options[:min]) ? 0 : sec)
          )
        end