distance_of_time_in_words

# File actionpack/lib/action_view/helpers/date_helper.rb, line 24
      def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false)
        from_time = from_time.to_time if from_time.respond_to?(:to_time)
        to_time = to_time.to_time if to_time.respond_to?(:to_time)
        distance_in_minutes = (((to_time - from_time).abs)/60).round
        distance_in_seconds = ((to_time - from_time).abs).round

        case distance_in_minutes
          when 0..1
            return (distance_in_minutes==0) ? 'less than a minute' : '1 minute' unless include_seconds
            case distance_in_seconds
              when 0..5   then 'less than 5 seconds'
              when 6..10  then 'less than 10 seconds'
              when 11..20 then 'less than 20 seconds'
              when 21..40 then 'half a minute'
              when 41..59 then 'less than a minute'
              else             '1 minute'
            end
                                
          when 2..45      then "#{distance_in_minutes} minutes"
          when 46..90     then 'about 1 hour'
          when 90..1440   then "about #{(distance_in_minutes.to_f / 60.0).round} hours"
          when 1441..2880 then '1 day'
          else                 "#{(distance_in_minutes / 1440).round} days"
        end
      end