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[GH-ISSUE #19020] issue: DEFAULT_LOCALE does not affect date display, fixed at MM/DD/YYYY #34279

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opened 2026-04-25 08:12:39 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-04-25 08:12:39 -05:00
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Originally created by @recrudesce on GitHub (Nov 7, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/19020

Originally assigned to: @dannyl1u on GitHub.

Check Existing Issues

  • I have searched for any existing and/or related issues.
  • I have searched for any existing and/or related discussions.
  • I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!).
  • I am using the latest version of Open WebUI.

Installation Method

Docker

Open WebUI Version

0.6.36

Ollama Version (if applicable)

No response

Operating System

Irrelevant

Browser (if applicable)

No response

Confirmation

  • I have read and followed all instructions in README.md.
  • I am using the latest version of both Open WebUI and Ollama.
  • I have included the browser console logs.
  • I have included the Docker container logs.
  • I have provided every relevant configuration, setting, and environment variable used in my setup.
  • I have clearly listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc).
  • I have documented step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation. My steps:
  • Start with the initial platform/version/OS and dependencies used,
  • Specify exact install/launch/configure commands,
  • List URLs visited, user input (incl. example values/emails/passwords if needed),
  • Describe all options and toggles enabled or changed,
  • Include any files or environmental changes,
  • Identify the expected and actual result at each stage,
  • Ensure any reasonably skilled user can follow and hit the same issue.

Expected Behavior

Date formats in the Admin view of a users chats seem should conform to the DEFAULT_LOCALE setting.

Actual Behavior

The date format doesn't change and seems to be fixed as MM/DD/YYYY when it should change to DD/MM/YYYY if set to GB locale.

Steps to Reproduce

1: Set DEFAULT_LOCALE to something
2: Notice that nothing actually changes in the date format

Logs & Screenshots

Setting DEFAULT_LOCALE env var does not affect the dates shown in the Admin view of a user's chats. These are seemingly forced as MM/DD/YYYY. This also happens regardless of the operating system locale settings as well (I've hard set it on the OS and in the Docker container to no avail).

I've tried "engb", "en-gb", "en_gb", "en_GB" in the env var for the container
Image

Yet these dates are ALWAYS shown as MM/DD/YYYY

Image

Additional Information

No response

Originally created by @recrudesce on GitHub (Nov 7, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/19020 Originally assigned to: @dannyl1u on GitHub. ### Check Existing Issues - [x] I have searched for any existing and/or related issues. - [x] I have searched for any existing and/or related discussions. - [x] I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!). - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ### Open WebUI Version 0.6.36 ### Ollama Version (if applicable) _No response_ ### Operating System Irrelevant ### Browser (if applicable) _No response_ ### Confirmation - [x] I have read and followed all instructions in `README.md`. - [x] I am using the latest version of **both** Open WebUI and Ollama. - [x] I have included the browser console logs. - [x] I have included the Docker container logs. - [x] I have **provided every relevant configuration, setting, and environment variable used in my setup.** - [x] I have clearly **listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup** (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc). - [x] I have documented **step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation**. My steps: - Start with the initial platform/version/OS and dependencies used, - Specify exact install/launch/configure commands, - List URLs visited, user input (incl. example values/emails/passwords if needed), - Describe all options and toggles enabled or changed, - Include any files or environmental changes, - Identify the expected and actual result at each stage, - Ensure any reasonably skilled user can follow and hit the same issue. ### Expected Behavior Date formats in the Admin view of a users chats seem should conform to the `DEFAULT_LOCALE` setting. ### Actual Behavior The date format doesn't change and seems to be fixed as MM/DD/YYYY when it should change to DD/MM/YYYY if set to GB locale. ### Steps to Reproduce 1: Set `DEFAULT_LOCALE` to something 2: Notice that nothing actually changes in the date format ### Logs & Screenshots Setting `DEFAULT_LOCALE` env var does not affect the dates shown in the Admin view of a user's chats. These are seemingly forced as MM/DD/YYYY. This also happens regardless of the operating system locale settings as well (I've hard set it on the OS and in the Docker container to no avail). I've tried "engb", "en-gb", "en_gb", "en_GB" in the env var for the container <img width="1052" height="450" alt="Image" src="https://github.com/user-attachments/assets/3390d6ef-7a78-4da3-83c2-99f2ba015aae" /> Yet these dates are ALWAYS shown as MM/DD/YYYY <img width="903" height="254" alt="Image" src="https://github.com/user-attachments/assets/797e8a7c-e27c-4a57-9201-2765a337239e" /> ### Additional Information _No response_
GiteaMirror added the bug label 2026-04-25 08:12:39 -05:00
GiteaMirror commented 2026-04-25 08:12:40 -05:00
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@silentoplayz commented on GitHub (Nov 7, 2025):

I can confirm this being an issue on the latest dev. I've tested with ENABLE_PERSISTENT_CONFIG set to false and DEFAULT_LOCALE set to a few different locale options that would essentially swap around dd/MM/yyyy to yyyy/MM/dd and the changes did not reflect in the chats list of a user via the admin panel.

<!-- gh-comment-id:3503959143 --> @silentoplayz commented on GitHub (Nov 7, 2025): I can confirm this being an issue on the latest `dev`. I've tested with `ENABLE_PERSISTENT_CONFIG` set to `false` and `DEFAULT_LOCALE` set to a few different locale options that would essentially swap around `dd/MM/yyyy ` to `yyyy/MM/dd` and the changes did not reflect in the chats list of a user via the admin panel.
GiteaMirror commented 2026-04-25 08:12:42 -05:00
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@tjbck commented on GitHub (Nov 17, 2025):

@dannyl1u could be an easy one, PR welcome here.

<!-- gh-comment-id:3540559019 --> @tjbck commented on GitHub (Nov 17, 2025): @dannyl1u could be an easy one, PR welcome here.
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Reference: github-starred/open-webui#34279
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