diff --git a/config.toml b/config.toml
index b03451a..17f88f5 100644
--- a/config.toml
+++ b/config.toml
@@ -34,6 +34,9 @@ accent_color = "blue"
 # Defaults to accent color (or, if not accent color specified, to blue).
 background_color = "blue"
 
+# Format of the post date - defaults to "2025-01-13".
+post_date_format = "%Y-%m-%d"
+
 # The logo text - defaults to "Terminimal theme"
 logo_text = "Terminimal theme"
 
diff --git a/templates/macros/post.html b/templates/macros/post.html
index 5ea20d1..80cbdc8 100644
--- a/templates/macros/post.html
+++ b/templates/macros/post.html
@@ -26,7 +26,7 @@
 {% macro date(page) %}
     <span class="post-date">
         {%- if page.date %}
-            {{ page.date | date(format="%Y-%m-%d") }}
+            {{ page.date | date(format=config.extra.post_date_format) }}
         {% endif -%}
     </span>
 {% endmacro post_date %}
diff --git a/theme.toml b/theme.toml
index 5dbccf7..b24b1dd 100644
--- a/theme.toml
+++ b/theme.toml
@@ -30,6 +30,9 @@ accent_color = "blue"
 # Defaults to accent color (or, if not accent color specified, to blue).
 background_color = "blue"
 
+# Format of the post date - defaults to "2025-01-13".
+post_date_format = "%Y-%m-%d"
+
 # The logo text - defaults to 2 non-breaking spaces.
 logo_text = "Terminimal theme"