diff --git a/config.ini-example b/config.ini-example
index 91977a7..cedbdd5 100644
--- a/config.ini-example
+++ b/config.ini-example
@@ -30,3 +30,4 @@ theme = "default"
 ; set the timezone
 [date]
 ; timezone = UTC
+; format = 'd/m/Y H:i:s'
diff --git a/src/GitList/Application.php b/src/GitList/Application.php
index 3e3d9cb..dd5acc2 100644
--- a/src/GitList/Application.php
+++ b/src/GitList/Application.php
@@ -30,6 +30,7 @@ class Application extends SilexApplication
         $this->path = realpath($root);
 
         $this['debug'] = $config->get('app', 'debug');
+        $this['date.format'] = $config->get('date', 'format') ? $config->get('date', 'format') : 'd/m/Y H:i:s';
         $this['theme'] = $config->get('app', 'theme') ? $config->get('app', 'theme') : 'default';
         $this['filetypes'] = $config->getSection('filetypes');
         $this['cache.archives'] = $this->getCachePath() . 'archives';
@@ -59,8 +60,9 @@ class Application extends SilexApplication
         $this->register(new RoutingUtilServiceProvider());
 
         $this['twig'] = $this->share($this->extend('twig', function ($twig, $app) {
-            $twig->addFilter('htmlentities', new \Twig_Filter_Function('htmlentities'));
-            $twig->addFilter('md5', new \Twig_Filter_Function('md5'));
+            $twig->addFilter(new \Twig_SimpleFilter('htmlentities', 'htmlentities'));
+            $twig->addFilter(new \Twig_SimpleFilter('md5', 'md5'));
+            $twig->addFilter(new \Twig_SimpleFilter('format_date', array($this, 'formatDate')));
 
             return $twig;
         }));
@@ -77,6 +79,11 @@ class Application extends SilexApplication
         });
     }
 
+    public function formatDate($date)
+    {
+        return $date->format($this['date.format']);
+    }
+
     public function getPath()
     {
         return $this->path . DIRECTORY_SEPARATOR;
diff --git a/themes/bootstrap3/twig/commit.twig b/themes/bootstrap3/twig/commit.twig
index 120807c..c4386e1 100644
--- a/themes/bootstrap3/twig/commit.twig
+++ b/themes/bootstrap3/twig/commit.twig
@@ -18,7 +18,7 @@
             <p>{{ commit.body | nl2br }}</p>
             {% endif %}
             <img src="https://gravatar.com/avatar/{{ commit.author.email | lower | md5 }}?s=32" class="pull-left space-right" />
-            <span><a href="mailto:{{ commit.author.email }}">{{ commit.author.name }}</a> authored on {{ commit.date | date('d/m/Y \\a\\t H:i:s') }}<br />Showing {{ commit.changedFiles }} changed files</span>
+            <span><a href="mailto:{{ commit.author.email }}">{{ commit.author.name }}</a> authored on {{ commit.date | format_date }}<br />Showing {{ commit.changedFiles }} changed files</span>
         </div>
     </div>
 
diff --git a/themes/bootstrap3/twig/commits_list.twig b/themes/bootstrap3/twig/commits_list.twig
index 1919d46..6462cd8 100644
--- a/themes/bootstrap3/twig/commits_list.twig
+++ b/themes/bootstrap3/twig/commits_list.twig
@@ -13,7 +13,7 @@
             <td width="95%">
                 <span class="pull-right"><a class="btn btn-default btn-sm" href="{{ path('commit', {repo: repo, commit: item.hash}) }}"><span class="fa fa-list-alt"></span> View {{ item.shortHash }}</a></span>
                 <h4>{{ item.message }}</h4>
-                <span><a href="mailto:{{ item.author.email }}">{{ item.author.name }}</a> authored on {{ item.date | date('d/m/Y \\a\\t H:i:s') }}</span>
+                <span><a href="mailto:{{ item.author.email }}">{{ item.author.name }}</a> authored on {{ item.date | format_date }}</span>
             </td>
         </tr>
         {% endfor %}
diff --git a/themes/default/twig/commit.twig b/themes/default/twig/commit.twig
index 8cbd3ac..3a4ce11 100644
--- a/themes/default/twig/commit.twig
+++ b/themes/default/twig/commit.twig
@@ -17,7 +17,7 @@
             <p>{{ commit.body | nl2br }}</p>
             {% endif %}
             <img src="https://gravatar.com/avatar/{{ commit.author.email | lower | md5 }}?s=32" class="pull-left space-right" />
-            <span><a href="mailto:{{ commit.author.email }}">{{ commit.author.name }}</a> authored on {{ commit.date | date('d/m/Y \\a\\t H:i:s') }}<br />Showing {{ commit.changedFiles }} changed files</span>
+            <span><a href="mailto:{{ commit.author.email }}">{{ commit.author.name }}</a> authored on {{ commit.date | format_date }}<br />Showing {{ commit.changedFiles }} changed files</span>
         </div>
     </div>
 
diff --git a/themes/default/twig/commits_list.twig b/themes/default/twig/commits_list.twig
index 27b1a54..37850f7 100644
--- a/themes/default/twig/commits_list.twig
+++ b/themes/default/twig/commits_list.twig
@@ -13,7 +13,7 @@
             <td width="95%">
                 <span class="pull-right"><a class="btn btn-small" href="{{ path('commit', {repo: repo, commit: item.hash}) }}"><i class="icon-list-alt"></i> View {{ item.shortHash }}</a></span>
                 <h4>{{ item.message }}</h4>
-                <span><a href="mailto:{{ item.author.email }}">{{ item.author.name }}</a> authored on {{ item.date | date('d/m/Y \\a\\t H:i:s') }}</span>
+                <span><a href="mailto:{{ item.author.email }}">{{ item.author.name }}</a> authored on {{ item.date | format_date }}</span>
             </td>
         </tr>
         {% endfor %}
diff --git a/themes/default/twig/rss.twig b/themes/default/twig/rss.twig
index 0fdc823..0596261 100644
--- a/themes/default/twig/rss.twig
+++ b/themes/default/twig/rss.twig
@@ -8,10 +8,10 @@
         {% for commit in commits %}
         <item>
             <title>{{ commit.message }}</title>
-            <description>{{ commit.author.name }} authored {{ commit.shortHash }} in {{ commit.date | date('d/m/Y \\a\\t H:i:s') }}</description>
+            <description>{{ commit.author.name }} authored {{ commit.shortHash }} in {{ commit.date | format_date }}</description>
             <link>{{ url('commit', {repo: repo, commit: commit.hash}) }}</link>
             <pubDate>{{ commit.date | date('r') }}</pubDate>
         </item>
         {% endfor %}
     </channel>
-</rss>
\ No newline at end of file
+</rss>