{% assign d = page.date | date: "%-d" %}
{{ page.date | date: "%B" }}
{% case d %}
{% when '1' or '21' or '31' %}{{ d }}st
{% when '2' or '22' %}{{ d }}nd
{% when '3' or '23' %}{{ d }}rd
{% else %}{{ d }}th
{% endcase %},
{{ page.date | date: "%Y" }}
