diff --git a/pkgs/by-name/dc/dclock/package.nix b/pkgs/by-name/dc/dclock/package.nix
new file mode 100644
index 000000000000..8e5f277cfdfe
--- /dev/null
+++ b/pkgs/by-name/dc/dclock/package.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  haskellPackages,
+}:
+
+haskellPackages.mkDerivation {
+  pname = "dclock";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "travgm";
+    repo = "dclock";
+    rev = "main";
+    sha256 = "sha256-IJsbEg1dFiyIJSlVWy8x+tsa49YxLK8mNkJESFyUQoU=";
+  };
+
+  isLibrary = false;
+  isExecutable = true;
+  jailbreak = true;
+  doCheck = false;
+
+  executableHaskellDepends = with haskellPackages; [
+    base
+    QuickCheck
+    ansi-terminal
+    hspec
+    hspec-discover
+    lens
+    machines
+    optparse-applicative
+    text
+    time
+    process
+  ];
+
+  description = "Decimal clock that breaks your day into a 1000 decimal minutes";
+  homepage = "https://github.com/travgm/dclock";
+  license = lib.licenses.mit;
+  maintainers = with lib.maintainers; [ travgm ];
+  mainProgram = "dclock";
+}