diff --git a/pkgs/development/python-modules/python-datemath/default.nix b/pkgs/development/python-modules/python-datemath/default.nix
new file mode 100644
index 000000000000..4b0366ae4da5
--- /dev/null
+++ b/pkgs/development/python-modules/python-datemath/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, arrow
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pytestCheckHook
+, unittest2
+}:
+
+buildPythonPackage rec {
+  pname = "python-datemath";
+  version = "1.5.5";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "nickmaccarthy";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-WVWGhyBguE1+KEMQu0N5QxO7IC4rPEJ/2L3VWUCQNi4=";
+  };
+
+  propagatedBuildInputs = [
+    arrow
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    unittest2
+  ];
+
+  pytestFlagsArray = [
+    "tests.py"
+  ];
+
+  pythonImportsCheck = [
+    "datemath"
+  ];
+
+  meta = with lib; {
+    description = "Python module to emulate the date math used in SOLR and Elasticsearch";
+    homepage = "https://github.com/nickmaccarthy/python-datemath";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 03afe1e7fe67..1d47c2e25f41 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7625,6 +7625,8 @@ in {
 
   python-daemon = callPackage ../development/python-modules/python-daemon { };
 
+  python-datemath = callPackage ../development/python-modules/python-datemath { };
+
   python-dateutil = callPackage ../development/python-modules/dateutil { };
 
   python-dbusmock = callPackage ../development/python-modules/python-dbusmock { };