# Codex doesn't respect 24h clock system preference on macos

**URL:** <https://community.openai.com/t/codex-doesnt-respect-24h-clock-system-preference-on-macos/1409080>\
**Category:** Codex\
**Tags:** ui\
**Created:** [October 23, 2026, 9:39am UTC](https://community.openai.com/t/codex-doesnt-respect-24h-clock-system-preference-on-macos/1409080 "2026-10-23T09:39:00Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![vincentb](https://avatars.discourse-cdn.com/v4/letter/v/3be4f8/32.png) [@vincentb](https://community.openai.com/u/vincentb)\
**Post date:** [October 23, 2026, 9:39am UTC](https://community.openai.com/t/codex-doesnt-respect-24h-clock-system-preference-on-macos/1409080/1 "2026-10-23T09:39:00Z")

</div>

**Title:** Desktop app ignores macOS 24-hour clock preference

**Environment:**

- macOS
- Time zone: Europe/Amsterdam
- macOS 24-Hour Time: enabled
- ChatGPT desktop app version: [from ChatGPT → About ChatGPT]

**Steps to reproduce:**

1. Enable 24-Hour Time in macOS Language & Region settings.
2. Restart the ChatGPT desktop app.
3. View a timestamp displayed by the app.

**Expected:** Times use system locale notation, for example `21:06`.  
**Actual:** Times are rendered using AM/PM notation, for example `9:06 PM`.

The app should respect the operating system’s time-format preference. There is no separate time-format setting in the app.

Desktop app version: Version 26.1013.40934

Mac OS

 ![Screenshot 2026-10-23 at 11.32.48](https://us1.discourse-cdn.com/openai1/original/4X/f/7/5/f75068e0d7f104a4597c3bb211145a4233ad9ebc.png)

Screenshot shows 9:06 PM while it should show 21:06.