diff --git a/blog/src/components/PostPreviewLarge.astro b/blog/src/components/PostPreviewLarge.astro
index d124d7b..6ae8110 100644
--- a/blog/src/components/PostPreviewLarge.astro
+++ b/blog/src/components/PostPreviewLarge.astro
@@ -2,6 +2,7 @@
 import type { Post } from "../types/global";
 import { findImageByPath } from "../lib/findImage";
 import { Image } from "astro:assets";
+import { formatLocalizedDateString } from "../lib/formatDate";
 
 interface Props {
   post: Post;
@@ -11,7 +12,7 @@ interface Props {
 const { post, url } = Astro.props;
 
 const img = findImageByPath(post.image.path);
-const localeDate = new Date(post.date).toLocaleDateString()
+const localeDate = formatLocalizedDateString(post.date)
 ---
 
 <div class="wide-container">
diff --git a/blog/src/components/PostPreviewSmall.astro b/blog/src/components/PostPreviewSmall.astro
index 24ab8ad..af28c0b 100644
--- a/blog/src/components/PostPreviewSmall.astro
+++ b/blog/src/components/PostPreviewSmall.astro
@@ -1,6 +1,7 @@
 ---
 
 import { findImageByPath } from "../lib/findImage";
+import { formatLocalizedDateString } from "../lib/formatDate";
 import type { Post } from "../types/global";
 
 interface Props {
@@ -11,7 +12,7 @@ interface Props {
 const { post, url } = Astro.props;
 
 const img = findImageByPath(post.image.path)
-const localeDate = new Date(post.date).toLocaleDateString()
+const localeDate = formatLocalizedDateString(post.date)
 ---
 
 <a href={url} class="no-link-link">
diff --git a/blog/src/layouts/BlogPostLayout.astro b/blog/src/layouts/BlogPostLayout.astro
index 0c7744e..d53e633 100644
--- a/blog/src/layouts/BlogPostLayout.astro
+++ b/blog/src/layouts/BlogPostLayout.astro
@@ -4,6 +4,7 @@ import BackNav from "../components/BackNav.astro";
 import { findImageByPath } from "../lib/findImage";
 import type { Post } from "../types/global";
 import Main from "./Main.astro";
+import { formatLocalizedDateString } from "../lib/formatDate";
 
 interface Props {
   frontmatter: Post;
@@ -12,7 +13,7 @@ interface Props {
 const { frontmatter } = Astro.props;
 
 const titleImg = findImageByPath(frontmatter.image.path);
-const localeDate = new Date(frontmatter.date).toLocaleDateString()
+const localeDate = formatLocalizedDateString(frontmatter.date)
 ---
 
 <Main>
diff --git a/blog/src/lib/formatDate.ts b/blog/src/lib/formatDate.ts
new file mode 100644
index 0000000..7108707
--- /dev/null
+++ b/blog/src/lib/formatDate.ts
@@ -0,0 +1,3 @@
+export function formatLocalizedDateString(date: string): string {
+    return new Date(date).toLocaleDateString('de-DE')
+}
\ No newline at end of file