hugo-theme-anubis2/layouts/partials/articleInfoDate.html

{{ $dateFormat := "2006-01-02" }}
{{ if .Site.Params.dateFormat }}
    {{ $dateFormat = .Site.Params.dateFormat }}
{{ end }}

<div class="article-info">
    {{ if .Params.date }}
        <div class="article-date">{{ .Params.date.Format $dateFormat }}</div>
    {{ end }}
</div>