diff --git a/boards/templates/boards/post.html b/boards/templates/boards/post.html
--- a/boards/templates/boards/post.html
+++ b/boards/templates/boards/post.html
@@ -8,7 +8,7 @@
     <div class="post-info">
         <a class="post_id" href="{{ post.get_url }}">({{ post.get_absolute_id }})</a>
         <span class="title">{{ post.title }}</span>
-        <span class="pub_time"><time datetime="{{ post.pub_time|date:'c' }}">{{ post.pub_time|date:'r' }}</time></span>
+        <span class="pub_time"><time datetime="{{ post.pub_time|date:'c' }}">{{ post.pub_time }}</time></span>
         {% comment %}
             Thread death time needs to be shown only if the thread is alredy archived
             and this is an opening post (thread death time) or a post for popup
@@ -16,7 +16,7 @@
         {% endcomment %}
         {% if thread.archived %}
             {% if is_opening %}
-            — <time datetime="{{ thread.bump_time|date:'c' }}">{{ thread.bump_time|date:'r' }}</time>
+            — <time datetime="{{ thread.bump_time|date:'c' }}">{{ thread.bump_time }}</time>
             {% endif %}
         {% endif %}
         {% if is_opening and need_open_link %}
diff --git a/boards/templates/boards/thread.html b/boards/templates/boards/thread.html
--- a/boards/templates/boards/thread.html
+++ b/boards/templates/boards/thread.html
@@ -30,7 +30,7 @@
         {% cache 600 thread_meta thread.last_edit_time moderator LANGUAGE_CODE TIME_ZONE %}
         <span id="reply-count">{{ thread.get_reply_count }}</span>{% if thread.has_post_limit %}/{{ thread.max_posts }}{% endif %} {% trans 'messages' %},
             <span id="image-count">{{ thread.get_images_count }}</span> {% trans 'images' %}.
-            {% trans 'Last update: ' %}<span id="last-update"><time datetime="{{ thread.last_edit_time|date:'c' }}">{{ thread.last_edit_time|date:'r' }}</time></span>
+            {% trans 'Last update: ' %}<span id="last-update"><time datetime="{{ thread.last_edit_time|date:'c' }}">{{ thread.last_edit_time }}</time></span>
             [<a href="rss/">RSS</a>]
         {% endcache %}
     </span>