diff --git a/pkgs/tools/misc/moon-phases/default.nix b/pkgs/tools/misc/moon-phases/default.nix
new file mode 100644
index 000000000000..c1b58c7cce1a
--- /dev/null
+++ b/pkgs/tools/misc/moon-phases/default.nix
@@ -0,0 +1,20 @@
+{ lib, fetchCrate, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "moon-phases";
+  version = "0.3.3";
+
+  src = fetchCrate {
+    inherit pname version;
+    hash = "sha256-8ZdtM246aqc49Q3ygMGk51LIzRA8RIdlaistbKUj3yY=";
+  };
+
+  cargoSha256 = "sha256-5JKM+GnigkpuX4qeGQAjDz/X48ZxXtCfYVwGco13YRM=";
+
+  meta = with lib; {
+    description = "Command-line/WM bar tool to display the moon phase at a certain date";
+    homepage = "https://github.com/mirrorwitch/moon-phases";
+    license = licenses.acsl14;
+    maintainers = with maintainers; [ mirrorwitch ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e608b24f163c..0615e00dd2ab 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6036,6 +6036,8 @@ with pkgs;
 
   moodle-dl = callPackage ../tools/networking/moodle-dl { };
 
+  moon-phases = callPackage ../tools/misc/moon-phases { };
+
   moonraker = callPackage ../servers/moonraker { };
 
   morsel = callPackage ../tools/text/morsel { };