Use RFC 2822 time format

boards/templates/boards/post.html

@@ -18,7 +18,7 b''
        onclick="javascript:addQuickReply('{{ post.id }}'); return false;"
        title="{% trans 'Quote' %}" {% endif %}>({{ post.get_absolute_id }})</a>
     <span class="title">{{ post.title }}</span>
-    <span class="pub_time">{{ post.pub_time }}</span>
+    <span class="pub_time">{{ post.pub_time|date:'r' }}</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

boards/templates/boards/thread.html

@@ -85,7 +85,7 b''
             <span id="autoupdate">[-]</span>
             <span id="reply-count">{{ thread.get_reply_count }}</span>/{{ max_replies }} {% trans 'messages' %},
             <span id="image-count">{{ thread.get_images_count }}</span> {% trans 'images' %}.
-            {% trans 'Last update: ' %}<span id="last-update">{{ thread.last_edit_time }}</span>
+            {% trans 'Last update: ' %}<span id="last-update">{{ thread.last_edit_time|date:'r' }}</span>
             [<a href="rss/">RSS</a>]
         {% endcache %}
     </span>

boards/templates/boards/thread_gallery.html

@@ -58,7 +58,7 b''
             <span id="reply-count">{{ thread.get_reply_count }}</span>/{{ max_replies }}
             {% trans 'messages' %},
             <span id="image-count">{{ thread.get_images_count }}</span> {% trans 'images' %}.
-            {% trans 'Last update: ' %}{{ thread.last_edit_time }}
+            {% trans 'Last update: ' %}{{ thread.last_edit_time|date:'r' }}
             [<a href="rss/">RSS</a>]
         {% endcache %}
     </span>