diff --git a/config.yaml b/config.yaml
index 1f388d9a9ffbcc36b2fe525d896fa6cd350ca9d3..a931be1924db1218ca5f16f74d599c849fb62837 100644
--- a/config.yaml
+++ b/config.yaml
@@ -9,6 +9,7 @@ params:
   plausible: 
   posts:
     default_image: false
+    date_format: ":date_long"
     index:
       show_categories: false
       show_author: false
diff --git a/layouts/partials/blocks/templates/posts/highlight.html b/layouts/partials/blocks/templates/posts/highlight.html
index 3e1f8d8b48806f156c450d6c622ac12a4c20c3f0..f7f857bba321da834051c97eb5e6d669eaa79bcc 100644
--- a/layouts/partials/blocks/templates/posts/highlight.html
+++ b/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 }}
diff --git a/layouts/partials/posts/post-infos.html b/layouts/partials/posts/post-infos.html
index 4c576b7dbcc8d881656b8f58f5be71309115e204..c47936dda1e6d5fd3d4b50a888675cfde4f3d05c 100644
--- a/layouts/partials/posts/post-infos.html
+++ b/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>
diff --git a/layouts/partials/posts/post.html b/layouts/partials/posts/post.html
index e1dcc3b64b72824063435cdd1c26e746e154174c..37da4637923dd4d7af3bd3e8952be9a36bdfa229 100644
--- a/layouts/partials/posts/post.html
+++ b/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 }}