contrast-hugo/layouts/_default/single.html

{{ define "main" }}

<article>
  <header>
    <h1>{{ .Title }}</h1>
    <!-- Created Date -->
    {{- $pubdate := .PublishDate.Format "January 02, 2006" }}
    Created: 
    <time datetime="{{ .PublishDate }}" title="{{ .PublishDate }}">
      {{ $pubdate }}
    </time>

    <!-- Last Updated Date -->
    {{- if .Lastmod }}
    {{- $lastmod := .Lastmod.Format "January 02, 2006" }}
    {{- if gt .Lastmod .PublishDate }}
    <div class="post-info-last-mod">
      (Updated: 
      <time datetime="{{ .Lastmod }}" title="{{ .Lastmod }}">
        {{ $lastmod }}
      </time>)
    </div>
    {{- end }}
    {{- end }}
  </header>
  {{ .Content }}
</article>

{{ end }}