diff --git a/dev-ml/odate/Manifest b/dev-ml/odate/Manifest
new file mode 100644
index 0000000000..b153f1dfbb
--- /dev/null
+++ b/dev-ml/odate/Manifest
@@ -0,0 +1 @@
+DIST odate-0.7.gh.tar.gz 14024 BLAKE2B 3fac0c3e723c9de80c8aec7eede6b4718d3fe4d403f3953097418e20c253c363b6554a373e74f9fdf9e0139579c6267aeaf5543a18afa477a05121c295cd6d08 SHA512 58b3f82bbba8a8cb11dceb5c51709f806339b5315c8d5e79c9a24e3d6392c6cf1028e2acafdbdcac6e62f426b4689c315a5e20ed95f5aaa1726e381fb0b61d8b
diff --git a/dev-ml/odate/metadata.xml b/dev-ml/odate/metadata.xml
new file mode 100644
index 0000000000..f836dd5389
--- /dev/null
+++ b/dev-ml/odate/metadata.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>t@laumann.xyz</email>
+    <name>Thomas Bracht Laumann Jespersen</name>
+  </maintainer>
+  <upstream>
+    <doc>https://github.com/hhugo/odate</doc>
+    <bugs-to>https://github.com/hhugo/odate/issues</bugs-to>
+    <remote-id type="github">hhugo/odate</remote-id>
+    <maintainer>
+      <name>Hugo Heuzard</name>
+      <email>hugo.heuzard@gmail.com</email>
+    </maintainer>
+  </upstream>
+</pkgmetadata>
diff --git a/dev-ml/odate/odate-0.7.ebuild b/dev-ml/odate/odate-0.7.ebuild
new file mode 100644
index 0000000000..9ff2c67885
--- /dev/null
+++ b/dev-ml/odate/odate-0.7.ebuild
@@ -0,0 +1,21 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="Date & Duration Library"
+HOMEPAGE="https://github.com/hhugo/odate"
+SRC_URI="https://github.com/hhugo/${PN}/archive/${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="+ocamlopt"
+
+RDEPEND="
+	>=dev-ml/menhir-20230608:=[ocamlopt?]
+	>=dev-lang/ocaml-4.07:=[ocamlopt?]
+"
+DEPEND="${RDEPEND}"