blog-index.twig

{% for page in pages("blog")|sort_by("time")|reverse if not page.hidden %}
<div class="post">
    <h3><a href="{{ page.url }}">{{ page.title }}</a></h3>
    <p class="date">{{ page.date_formatted }}</p>
    <p class="excerpt">{{ page.description }}</p>
</div>
{% endfor %}