diff --git a/app/views/activities/index.html.erb b/app/views/activities/index.html.erb
index 64f7f6a85..f71266004 100644
--- a/app/views/activities/index.html.erb
+++ b/app/views/activities/index.html.erb
@@ -32,6 +32,10 @@
 <% content_for :sidebar do %>
 <%= form_tag({}, :method => :get, :id => 'activity_scope_form') do %>
 <h3><%= l(:label_activity) %></h3>
+<p>
+  <%= t(:label_days_to_html, :days => @days, :date => date_field_tag('from', '', :value => (@date_to - 1), :size => 10)) %>
+  <%= calendar_for('from') %>
+</p>
 <ul>
 <% @activity.event_types.each do |t| %>
   <li>
@@ -48,7 +52,6 @@
     <p><label><%= check_box_tag 'with_subprojects', 1, @with_subprojects %> <%=l(:label_subproject_plural)%></label></p>
 <% end %>
 <%= hidden_field_tag('user_id', params[:user_id]) unless params[:user_id].blank? %>
-<%= hidden_field_tag('from', params[:from]) unless params[:from].blank? %>
 <p><%= submit_tag l(:button_apply), :class => 'button-small', :name => 'submit' %></p>
 <% end %>
 <% end %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 0836d2593..c3f4925cd 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -945,6 +945,7 @@ en:
   label_ascending: Ascending
   label_descending: Descending
   label_date_from_to: From %{start} to %{end}
+  label_days_to_html: "%{days} days up to %{date}"
   label_wiki_content_added: Wiki page added
   label_wiki_content_updated: Wiki page updated
   label_group: Group
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 17fd98e80..a972bc005 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -793,6 +793,7 @@ ja:
   label_ascending: 昇順
   label_descending: 降順
   label_date_from_to: "%{start}から%{end}まで"
+  label_days_to_html: "%{date} までの%{days}日間"
   label_wiki_content_added: Wikiページの追加
   label_wiki_content_updated: Wikiページの更新
   label_group: グループ