Drop py3.9 support

Author: mattwang44

.github/workflows/codspeed.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.10"
 
       - name: Get full Python version
         id: full-python-version

.github/workflows/release.yml

@@ -21,14 +21,14 @@ jobs:
             platform: linux
           - os: windows
             ls: dir
-            interpreter: 3.9 3.10 3.11 3.12 3.13 3.14 pypy3.9 pypy3.10
+            interpreter: 3.10 3.11 3.12 3.13 3.14 pypy3.10
           - os: windows
             ls: dir
             target: aarch64
             interpreter: 3.11 3.12 3.13 3.14
           - os: macos
             target: aarch64
-            interpreter: 3.9 3.10 3.11 3.12 3.13 3.14 pypy3.9 pypy3.10
+            interpreter: 3.10 3.11 3.12 3.13 3.14 pypy3.10
           - os: ubuntu
             platform: linux
             target: aarch64
@@ -44,11 +44,11 @@ jobs:
           - os: ubuntu
             platform: linux
             target: ppc64le
-            interpreter: 3.9 3.10 3.11 3.12 3.13 3.14
+            interpreter: 3.10 3.11 3.12 3.13 3.14
           - os: ubuntu
             platform: linux
             target: s390x
-            interpreter: 3.9 3.10 3.11 3.12 3.13 3.14
+            interpreter: 3.10 3.11 3.12 3.13 3.14
 
     runs-on: ${{ matrix.os }}-latest
     steps:
@@ -66,7 +66,7 @@ jobs:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux || 'auto' }}
           container: ${{ matrix.container }}
-          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10' }} ${{ matrix.extra-build-args }}
+          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.10 3.11 3.12 3.13 pypy3.10' }} ${{ matrix.extra-build-args }}
           rust-toolchain: stable
           docker-options: -e CI
 

.github/workflows/tests.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       matrix:
         os: [Ubuntu, MacOS, Windows]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     defaults:
       run:
         shell: bash

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Change Log
 
+- Dropped support for Python 3.9 [#930](https://github.com/python-pendulum/pendulum/pull/930)
+
 ## [3.1.0] - 2025-04-19
 
 ### Added

README.rst

@@ -13,7 +13,7 @@ Pendulum
 
 Python datetimes made easy.
 
-Supports Python **3.9 and newer**.
+Supports Python **3.10 and newer**.
 
 
 .. code-block:: python

poetry.lock

@@ -3,14 +3,13 @@ name = "pendulum"
 version = "3.2.0.dev0"
 description = "Python datetimes made easy"
 readme = "README.rst"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = { text = "MIT License" }
 authors = [{ name = "Sébastien Eustace", email = "sebastien@eustace.io" }]
 keywords = ['datetime', 'date', 'time']
 classifiers = [
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -72,7 +71,7 @@ include = [
 [tool.ruff]
 fix = true
 line-length = 88
-target-version = "py39"
+target-version = "py310"
 extend-exclude = [
     # External to the project's coding standards:
     "docs/*",

pyproject.toml

@@ -1,6 +1,6 @@
 [tox]
 isolated_build = true
-envlist = py37, py38, py39, py310, pypy3
+envlist = py310, py311, py312, py313, pypy3
 
 [testenv]
 whitelist_externals = poetry