From 5dc7f8bfe3629075cc6cf639345e2dd9fdbbab13 Mon Sep 17 00:00:00 2001
From: Aaron Godfrey <me@aarongodfrey.dev>
Date: Fri, 6 Feb 2026 02:52:01 -0800
Subject: [PATCH] Fix conversion of data for todo.* actions (#162366)

---
 homeassistant/components/todoist/todo.py |  4 ++--
 tests/components/todoist/test_todo.py    | 16 +++++++++++-----
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/homeassistant/components/todoist/todo.py b/homeassistant/components/todoist/todo.py
index fb56e30fb68..ec2c38c35ff 100644
--- a/homeassistant/components/todoist/todo.py
+++ b/homeassistant/components/todoist/todo.py
@@ -45,9 +45,9 @@ def _task_api_data(item: TodoItem, api_data: Task | None = None) -> dict[str, An
     }
     if due := item.due:
         if isinstance(due, datetime.datetime):
-            item_data["due_datetime"] = due.isoformat()
+            item_data["due_datetime"] = due
         else:
-            item_data["due_date"] = due.isoformat()
+            item_data["due_date"] = due
         # In order to not lose any recurrence metadata for the task, we need to
         # ensure that we send the `due_string` param if the task has it set.
         # NOTE: It's ok to send stale data for non-recurring tasks. Any provided
diff --git a/tests/components/todoist/test_todo.py b/tests/components/todoist/test_todo.py
index d15d857b47c..23da99c0375 100644
--- a/tests/components/todoist/test_todo.py
+++ b/tests/components/todoist/test_todo.py
@@ -1,7 +1,9 @@
 """Unit tests for the Todoist todo platform."""
 
+from datetime import date, datetime
 from typing import Any
 from unittest.mock import AsyncMock
+from zoneinfo import ZoneInfo
 
 import pytest
 from todoist_api_python.models import Task
@@ -113,7 +115,7 @@ async def test_todo_item_state(
                     ),
                 )
             ],
-            {"description": "", "due_date": "2023-11-18"},
+            {"description": "", "due_date": date(2023, 11, 18)},
             {
                 "uid": "task-id-1",
                 "summary": "Soda",
@@ -138,7 +140,9 @@ async def test_todo_item_state(
             ],
             {
                 "description": "",
-                "due_datetime": "2023-11-18T06:30:00-06:00",
+                "due_datetime": datetime(
+                    2023, 11, 18, 6, 30, tzinfo=ZoneInfo("US/Central")
+                ),
             },
             {
                 "uid": "task-id-1",
@@ -333,7 +337,7 @@ async def test_update_todo_item_status(
             {
                 "task_id": "task-id-1",
                 "content": "Soda",
-                "due_date": "2023-11-18",
+                "due_date": date(2023, 11, 18),
                 "description": "",
             },
             {
@@ -361,7 +365,9 @@ async def test_update_todo_item_status(
             {
                 "task_id": "task-id-1",
                 "content": "Soda",
-                "due_datetime": "2023-11-18T06:30:00-06:00",
+                "due_datetime": datetime(
+                    2023, 11, 18, 6, 30, tzinfo=ZoneInfo("US/Central")
+                ),
                 "description": "",
             },
             {
@@ -455,7 +461,7 @@ async def test_update_todo_item_status(
                 "task_id": "task-id-1",
                 "content": "Soda",
                 "description": "6-pack",
-                "due_date": "2024-02-01",
+                "due_date": date(2024, 2, 1),
                 "due_string": "every day",
             },
             {