diff --git a/AGENTS.md b/AGENTS.md
index 6ffe30d..d8b2cdc 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -42,6 +42,11 @@ CSS file (Gruvbox, light + dark, theme toggle without reload).
   between that section's pages (server-side `.blog-pagination`), not globally.
 - **Article prev/next** (`scripts/prev_next.js`) is scoped to the article's category
   (`blog_data.articles[].category`); falls back to the global list when uncategorized.
+- **Menu sorting** (`scripts/menu_date_sort.js`, `shareHtmlLocation=body:end`): reads
+  `blog_data.articles[].date` (generator exposes the `date` label, fallback `dateCreated`,
+  `YYYY-MM-DD`), re-sorts each category's menu entries by date descending and prefixes the
+  label with `YYYY-MM-DD <shortened title>` (icons preserved). Non-article entries are left
+  in place.
 - **Thumbnails** (`thumbSrc()`): prefer a child note of the article titled `*_thumb.*`
   (e.g. `ngc281_thumb.jpg`) → `api/notes/<id>/download`; otherwise use the first `<img>`
   from the note content. Layout: image left, summary right (`.blog-post-inner`),
diff --git a/README.md b/README.md
index ba17150..4c8e296 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ no external dependencies (except `highlight.js`, vendored in `lib/`).
 
 - Gruvbox light/dark theme for the share, with a theme toggle in the header.
 - Blog index, category pages, sub-categories, tags and tag overview.
+- **Menu sorting**: articles in the left menu are sorted by publication date (newest first)
+  and labelled `YYYY-MM-DD <shortened title>` automatically.
 - **Article thumbnails**: each post card shows the first image of the article on the left
   (bounded by the teaser height), summary on the right, lazy-loaded. If an article has a child
   note named `*_thumb.*` (e.g. `ngc281_thumb.jpg`), that image is used instead – ideal for
diff --git a/blog_generator.js b/blog_generator.js
index 4b29c66..933f982 100644
--- a/blog_generator.js
+++ b/blog_generator.js
@@ -387,7 +387,8 @@ function run() {
             url: SHARE_BASE + "/" + encodeURIComponent(a.getLabelValue("shareAlias") || a.noteId),
             summary: a.getLabelValue("summary") || "",
             tags: tagList(a),
-            category: a.getLabelValue("category") || ""
+            category: a.getLabelValue("category") || "",
+            date: (a.getLabelValue("date") || a.dateCreated).slice(0, 10)
         }));
         const html = `<script>window.blogData = ${JSON.stringify({ articles: list })};</script>`;
         if (dataNote.getContent() !== html) {
diff --git a/scripts/menu_date_sort.js b/scripts/menu_date_sort.js
new file mode 100644
index 0000000..979ec36
--- /dev/null
+++ b/scripts/menu_date_sort.js
@@ -0,0 +1,54 @@
+<script>
+(function () {
+    var data = window.blogData;
+    if (!data || !data.articles || !data.articles.length) return;
+    var menu = document.getElementById("menu");
+    if (!menu) return;
+
+    var byAlias = {};
+    data.articles.forEach(function (a) {
+        var alias = String(a.url || "").split("/").pop();
+        if (alias) byAlias[alias] = a;
+    });
+
+    function shorten(t) {
+        t = String(t || "").replace(/\s+/g, " ").trim();
+        if (t.length <= 26) return t;
+        var cut = t.slice(0, 26).replace(/\s+\S*$/, "");
+        return (cut.length ? cut : t.slice(0, 26)) + "…";
+    }
+
+    menu.querySelectorAll("li").forEach(function (li) {
+        var a = li.querySelector(":scope > a");
+        if (!a) return;
+        var m = String(a.getAttribute("href") || "").match(/\.\/([^/?#]+)$/);
+        if (!m) return;
+        var art = byAlias[m[1]];
+        if (!art) return;
+        var date = String(art.date || "").slice(0, 10);
+        li.setAttribute("data-pubdate", date);
+        var span = a.querySelector("span");
+        if (span) {
+            var label = (date ? date + " " : "") + shorten(a.textContent.replace(/\s+/g, " ").trim());
+            var icon = span.querySelector("i");
+            span.textContent = "";
+            if (icon) span.appendChild(icon);
+            span.appendChild(document.createTextNode(" " + label));
+        }
+    });
+
+    menu.querySelectorAll("ul").forEach(function (ul) {
+        var items = Array.from(ul.children);
+        var dated = items.filter(function (li) { return li.hasAttribute("data-pubdate"); });
+        if (dated.length < 2) return;
+        dated.sort(function (x, y) {
+            var dx = x.getAttribute("data-pubdate");
+            var dy = y.getAttribute("data-pubdate");
+            if (dx === dy) return 0;
+            return dx > dy ? -1 : 1;
+        });
+        items.forEach(function (li) { if (!li.hasAttribute("data-pubdate")) ul.appendChild(li); });
+        dated.forEach(function (li) { ul.appendChild(li); });
+    });
+})();
+</script>
\ No newline at end of file