diff --git a/pkgs/development/python-modules/timeslot/default.nix b/pkgs/development/python-modules/timeslot/default.nix
new file mode 100644
index 000000000000..1a71651ca054
--- /dev/null
+++ b/pkgs/development/python-modules/timeslot/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, poetry-core
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "timeslot";
+  version = "0.1.2";
+
+  # pypi distribution doesn't include tests, so build from source instead
+  src = fetchFromGitHub {
+    owner = "ErikBjare";
+    repo = pname;
+    rev = "af35445e96cbb2f3fb671a75aac6aa93e4e7e7a6";
+    sha256 = "sha256-GEhg2iMsYMfalT7L9TCd1KHU6oa/wTl5m3mRC0zOH9Q=";
+  };
+
+  format = "pyproject";
+
+  disabled = pythonOlder "3.6";
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [
+    # The pyproject.toml specifies the flag `--cov=timeslot`,
+    # This causes an error when running without pytest-cov,
+    # so use this flag to override that option, as we don't need coverage.
+    "--override-ini addopts=''"
+  ];
+
+  pythonImportsCheck = [ "timeslot" ];
+
+  meta = with lib; {
+    description = "Data type for representing time slots with a start and end";
+    homepage = "https://github.com/ErikBjare/timeslot";
+    maintainers = with maintainers; [ huantian ];
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5c7d144cd4cc..1510a4a0efaf 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11816,6 +11816,8 @@ self: super: with self; {
 
   timeout-decorator = callPackage ../development/python-modules/timeout-decorator { };
 
+  timeslot = callPackage ../development/python-modules/timeslot { };
+
   timetagger = callPackage ../development/python-modules/timetagger { };
 
   timezonefinder = callPackage ../development/python-modules/timezonefinder { };