Different date formats for different languages / locales.

gistfile1.txt

{% if desk.system.language == 'fr' %}
  <div class='meta'>
    {{system.snippets.last_update}}: {{ article.updated_at | in_time_zone: site.timezone | date: '%d %b, %Y %I:%M%p %Z' }}
  </div>
{% else %}
  <div class='meta'>
    {{system.snippets.last_update}}: {{ article.updated_at | in_time_zone: site.timezone | date: '%b %d, %Y %I:%M%p %Z' }}
  </div>
{% endif %}