diff --git a/_includes/head.html b/_includes/head.html
index ac9ee52..8e3df42 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -16,6 +16,7 @@
   {% if page.type == "post" %}
   <meta property="og:type" content="article" />
   <meta property="article:author" content="{{ site.author }}" />
+  <meta property="article:published_time" content="{{page.date}}" />
   {% else %}
   <meta property="og:type" content="website" />
   {% endif %} {% if page.layout == 'home' %}
@@ -37,8 +38,7 @@
 
   <meta property="og:site_name" content="{{site.title}}" />
 
-  <!--meta property="article:published_time" content="2013-09-17T05:59:00+01:00" />
-    <meta property="article:modified_time" content="2013-09-16T19:08:47+01:00" />
+  <!--meta property="article:modified_time" content="2013-09-16T19:08:47+01:00" />
     <meta property="article:section" content="Article Section" />
     <meta property="article:tag" content="Article Tag" /-->
 
diff --git a/_layouts/post.html b/_layouts/post.html
index bb6ea99..f7b84e4 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -16,7 +16,7 @@ layout: default
     </div>
     <div class="blog-post__header__meta">
         <time
-          datetime="{{ page.date }}"
+          datetime="{{ page.date | date: "%Y-%m-%d" }}"
           itemprop="datePublished"
         >
           By