post date format in config

config.yaml

@@ -9,6 +9,7 @@ params:
   plausible: 
   posts:
     default_image: false
+    date_format: ":date_long"
     index:
       show_categories: false
       show_author: false

layouts/partials/blocks/templates/posts/highlight.html

@@ -38,7 +38,7 @@
               {{- end -}}
 
               <div class="post-meta">
-                <time itemprop="datePublished" datetime="{{ .Date.Format "2006-01-02T15:04" }}">{{ .Date | time.Format ":date_long" }}</time>
+                <time itemprop="datePublished" datetime="{{ .Date.Format "2006-01-02T15:04" }}">{{ .Date | time.Format site.Params.posts.date_format }}</time>
                 {{ if site.Params.posts.index.show_author }}
                   {{- partial "posts/author" . -}}
                 {{ end }}

layouts/partials/posts/post-infos.html

@@ -13,7 +13,7 @@
   {{ end }}
   <li>
     <span>{{ i18n "posts.date" }}</span>
-    <time datetime="{{ .Date.Format "2006-01-02T15:04" }}">{{ .Date | time.Format ":date_long" }}</time>
+    <time datetime="{{ .Date.Format "2006-01-02T15:04" }}">{{ .Date | time.Format site.Params.posts.date_format }}</time>
   </li>
   {{ range .GetTerms "authors" }}
     <li>

layouts/partials/posts/post.html

@@ -32,7 +32,7 @@
     {{- end -}}
     
     <div class="post-meta">
-      <time itemprop="datePublished" datetime="{{ .Date.Format "2006-01-02T15:04" }}">{{ .Date | time.Format ":date_long" }}</time>
+      <time itemprop="datePublished" datetime="{{ .Date.Format "2006-01-02T15:04" }}">{{ .Date | time.Format site.Params.posts.date_format }}</time>
       {{ if site.Params.posts.index.show_author }}
         {{- partial "posts/author" . -}}
       {{ end }}