{% assign date = item.date | default: "now" | date_to_string %}
{% assign duration = item.content | number_of_words | divided_by: 180 %}
{% unless duration != 0 %}
  {% assign duration = 1 %}
{% endunless %}

<ul class="nav">
  <li class="nav-item mx-1 badge bg-secondary py-2">
    <i class="far fa-clock"></i>
    {{ duration }} min read
  </li>
  <li class="nav-item mx-1 badge bg-secondary py-2">
    <i class="far fa-calendar"></i>&nbsp;<time datetime="{{ date }}">{{ date }}</time>
  </li>
</ul>