hugo/docs/content/en/methods/pages/ByLastmod.md

title	description	categories	keywords	params
ByLastmod	Returns the given page collection sorted by last modification date in ascending order.			functions_and_methods returnType signatures page.Pages PAGES.ByLastmod

When sorting by last modification date, the value is determined by your site configuration, defaulting to the lastmod field in front matter.

{{ range .Pages.ByLastmod }}
  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
{{ end }}

To sort in descending order:

{{ range .Pages.ByLastmod.Reverse }}
  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
{{ end }}