diff --git a/pkgs/by-name/er/era/package.nix b/pkgs/by-name/er/era/package.nix
new file mode 100644
index 000000000000..cbe15bd7b47e
--- /dev/null
+++ b/pkgs/by-name/er/era/package.nix
@@ -0,0 +1,45 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  deno,
+  makeWrapper,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "era";
+  version = "0.1.3";
+
+  src = fetchFromGitHub {
+    owner = "kyoheiu";
+    repo = "era";
+    rev = "refs/tags/v${finalAttrs.version}";
+    hash = "sha256-OOPVLY9kg4TmKSrpHgsOmAmeDPbX5df0bX51lA6DvcY=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/{bin,lib}
+    cp -r $src/{src,LICENSE,README.md} $out/lib
+    makeWrapper ${lib.getExe deno} $out/bin/era \
+      --set DENO_NO_UPDATE_CHECK "1" \
+      --add-flags "run -A $out/lib/src/main.ts"
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Rainy clock in your terminal";
+    homepage = "https://github.com/kyoheiu/era";
+    changelog = "https://github.com/kyoheiu/era/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ natsukium ];
+    mainProgram = "era";
+    inherit (deno.meta) platforms;
+  };
+})