diff --git a/config/locales/en.yml b/config/locales/en.yml
index 98cef7e45..ef8a1c6bb 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -17,4 +17,7 @@ en:
   files_by_extension: Files by extension
   lines_by_extension: Lines by extension
   hour_of_day: Hour of day
-  hour: Hour
\ No newline at end of file
+  hour: Hour
+  percentage: Percentage
+  day: Day
+  day_of_week: Day of week
\ No newline at end of file
diff --git a/lib/git_stats/core_extensions/hash.rb b/lib/git_stats/core_extensions/hash.rb
index 4fd5a947a..6eb313194 100644
--- a/lib/git_stats/core_extensions/hash.rb
+++ b/lib/git_stats/core_extensions/hash.rb
@@ -1,6 +1,8 @@
 class Hash
-  def to_key_indexed_array
+  def to_key_indexed_array(params = {})
     raise ArgumentError.new('all the keys must be numbers to convert to key indexed array') unless all? { |k, v| k.is_a? Numeric }
-    inject([]) { |acc, (k, v)| acc[k] = v; acc }
+    min_size = params[:min_size] || 0
+    default = params[:default]
+    inject(Array.new(min_size, default)) { |acc, (k, v)| acc[k] = v; acc }.map { |e| e || default }
   end
 end
\ No newline at end of file
diff --git a/lib/git_stats/git_data/activity.rb b/lib/git_stats/git_data/activity.rb
index 00e2b781a..9396163be 100644
--- a/lib/git_stats/git_data/activity.rb
+++ b/lib/git_stats/git_data/activity.rb
@@ -10,10 +10,18 @@ module GitStats
         @by_hour ||= default_hash
       end
 
+      def by_hour_array
+        by_hour.to_key_indexed_array(min_size: 24, default: 0)
+      end
+
       def by_wday
         @by_wday ||= default_hash
       end
 
+      def by_wday_array
+        by_wday.to_key_indexed_array(min_size: 7, default: 0)
+      end
+
       def by_wday_hour
         @by_wday_hour ||= default_double_hash
       end
diff --git a/lib/git_stats/stats_view/charts/activity_charts.rb b/lib/git_stats/stats_view/charts/activity_charts.rb
index d98d1762e..ffe75312b 100644
--- a/lib/git_stats/stats_view/charts/activity_charts.rb
+++ b/lib/git_stats/stats_view/charts/activity_charts.rb
@@ -13,7 +13,19 @@ module GitStats
                 y_text: :commits.t,
                 x_text: :hour.t,
                 data_x: (0..23),
-                data_y: @activity.by_hour.to_key_indexed_array
+                data_y: @activity.by_hour_array
+            )
+          end
+        end
+
+        def activity_by_wday
+          Chart.new do |f|
+            f.simple_column_chart(
+                title: :commits_by_wday.t,
+                y_text: :commits.t,
+                x_text: :day.t,
+                data_x: Date::ABBR_DAYNAMES,
+                data_y: @activity.by_wday_array
             )
           end
         end
diff --git a/lib/git_stats/stats_view/charts/charts.rb b/lib/git_stats/stats_view/charts/charts.rb
index 01f46de1c..280cacc2e 100644
--- a/lib/git_stats/stats_view/charts/charts.rb
+++ b/lib/git_stats/stats_view/charts/charts.rb
@@ -5,7 +5,7 @@ module GitStats
         delegate :files_by_extension, :lines_by_extension, :files_by_date, :lines_by_date,
                  :lines_added_by_author, :lines_deleted_by_author, to: :repo_charts
         delegate :by_authors_wday, to: :authors_charts
-        delegate :activity_by_hour, to: :activity_charts
+        delegate :activity_by_hour, :activity_by_wday, to: :activity_charts
 
         attr_reader :repo
 
diff --git a/spec/hash_extension_spec.rb b/spec/hash_extension_spec.rb
index 4afd44e17..478a22db1 100644
--- a/spec/hash_extension_spec.rb
+++ b/spec/hash_extension_spec.rb
@@ -11,5 +11,15 @@ describe Hash do
       hash = {1 => 'x', 'b' => 2}
       expect { hash.to_key_indexed_array }.to raise_error(ArgumentError)
     end
+
+    context 'should take optional min_size and default parameters' do
+      let(:hash) { {1 => 'x', 2 => 1, 5 => 'a'} }
+      it 'should fill array with defaults up to min_size' do
+        hash.to_key_indexed_array(min_size: 8, default: 0).should == [0, 'x', 1, 0, 0, 'a', 0, 0]
+      end
+      it 'should use default value where key is not in hash' do
+        hash.to_key_indexed_array(min_size: 2, default: 0).should == [0, 'x', 1, 0, 0, 'a']
+      end
+    end
   end
 end
\ No newline at end of file
diff --git a/templates/activity.haml b/templates/activity.haml
index a30742195..a29045df9 100644
--- a/templates/activity.haml
+++ b/templates/activity.haml
@@ -1,3 +1,34 @@
 .page-header
   %h1.pagination-centered= :hour_of_day.t
-= high_chart("activity_by_hour", charts.activity_by_hour)
\ No newline at end of file
+%table{:class => "table table-bordered table-condensed"}
+  %tr
+    %th= :hour.t
+    - (0..23).each do |h|
+      %th= h
+  %tr
+    %td= :commits.t
+    - repo.activity.by_hour_array.each do |commits|
+      %td= commits
+  %tr
+    %td= :percentage.t
+    - repo.activity.by_hour_array.each do |commits|
+      %td= (commits * 100.0 / repo.activity.by_hour_array.sum).round(2)
+= high_chart("activity_by_hour", charts.activity_by_hour)
+
+
+.page-header
+  %h1.pagination-centered= :day_of_week.t
+%table{:class => "table table-bordered table-condensed"}
+  %tr
+    %th= :day.t
+    - Date::ABBR_DAYNAMES.each do |d|
+      %th= d
+  %tr
+    %td= :commits.t
+    - repo.activity.by_wday_array.each do |commits|
+      %td= commits
+  %tr
+    %td= :percentage.t
+    - repo.activity.by_wday_array.each do |commits|
+      %td= (commits * 100.0 / repo.activity.by_wday_array.sum).round(2)
+= high_chart("activity_by_wday", charts.activity_by_wday)
\ No newline at end of file