android.moparisthebest.org/source/_includes/post/date.html

{% capture date %}{{ page.date }}{{ post.date }}{% endcapture %}
{% capture has_date %}{{ date | size }}{% endcapture %}
{% capture updated %}{{ page.updated }}{{ post.updated }}{% endcapture %}
{% capture was_updated %}{{ updated | size }}{% endcapture %}

{% if has_date != '0' %}
  {% capture time %}<time datetime="{{ date | datetime | date_to_xmlschema }}" pubdate {% if updated %} data-updated="true" {% endif %}>{{ date | ordinalize }}</time>{% endcapture %}
{% endif %}

{% if was_updated != '0' %}
  {% capture updated %}<time class="updated" datetime="{{ updated | datetime | date_to_xmlschema }}">Updated {{ updated | ordinalize }}</time>{% endcapture %}
{% else %}{% assign updated = false %}{% endif %}