Prints isoformated date in time tag

templates/archives.html

@@ -15,7 +15,7 @@ All Posts - {{ super() }}
         <ul class="list-all-articles">
             {% for article in dates %}
             <li><a href="/{{ article.url }}">{{ article.title }}</a>
-            <time pubdate="pubdate" datetime="{{ article.date }}">{{ article.locale_date }}</time>
+            <time pubdate="pubdate" datetime="{{ article.date.isoformat() }}">{{ article.locale_date }}</time>
             </li>
             {% endfor %}
         </ul>

templates/article.html

@@ -52,7 +52,7 @@
         {% if article.date %} 
         <h4>Published</h4>
         {% set day = article.date.strftime('%d')|int %}
-        <time pubdate="pubdate" datetime="{{ article.date }}">{{ article.date.strftime('%b') }} {{ day }} {{- article.date.strftime(', %Y') }}</time>
+        <time pubdate="pubdate" datetime="{{ article.date.isoformat() }}">{{ article.date.strftime('%b') }} {{ day }} {{- article.date.strftime(', %Y') }}</time>
         {% endif %}
         {% if article.modified %} 
         <h4>Last Updated</h4>

templates/categories.html

@@ -34,7 +34,7 @@ All Categories - {{ super() }}
                     <div class="accordion-inner">
                         <ul class="list-articles-category">
                             {% for article in articles %} 
-                            <li><span><time pubdate="pubdate" datetime="{{ article.date }}">{{ article.locale_date }}</time></span> <a href="{{ article.url }}">{{ article.title }}</a></li>
+                            <li><span><time pubdate="pubdate" datetime="{{ article.date.isoformat() }}">{{ article.locale_date }}</time></span> <a href="{{ article.url }}">{{ article.title }}</a></li>
                             {% endfor %}
                         </ul>
                     </div>