How do I change the date settings on Power Apps

Question

I am using Microsoft Lists and the date column is in US Pacific Region, mm/dd/yyyy. I need it to show in UK date range dd/mm/yyyy

Answer 1

Dear @SUTCLIFFE, Nigel,

I hope you’re having a good day.

What you’re seeing isn’t really a Power Apps “setting” as such. The date format you’re getting (mm/dd/yyyy) is coming from the Microsoft List / SharePoint region settings behind the scenes, and your app is just displaying that by default.

If you want everything to naturally show UK format (dd/mm/yyyy), the proper place to fix it is actually on the site that hosts the list. Once that site is set to a UK locale, the date column will display correctly not just in Power Apps, but also in the list itself and anywhere else it’s used.

In the SharePoint site where your list lives, open the settings (gear icon), go into the site settings, then look for Regional settings. From there you can switch the locale to something like English (United Kingdom).

Example on Edge:

After saving that change, the date format will automatically follow UK style across the list.

I hope this information helps point you in the right direction. Please feel free to reply below if you have any update or further concern.   

Warm regards, 

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Answer 2

In Power Apps and other Power Platform apps, date display formats (such as switching from US mm/dd/yyyy to UK dd/MM/yyyy) are controlled by regional and personal settings, not by the Microsoft List column alone.

To show dates in UK format, adjust these settings:

1. Set personal options (per user)
   1. In the app, select Settings (gear icon in the upper-right) > Personalization Settings.
   2. In the dialog, set the Language/Locale to a UK option (for example, English (United Kingdom)) and ensure the Time zone matches the user’s region.
   3. Select OK.
   4. Refresh the app (may need to refresh twice) so the new settings take effect.
   These personal options control how dates, times, and other region-sensitive values are displayed for that user.
2. (Admins) Set default regional options for new users If all new users should default to UK-style dates:
   1. In the web app, go to Settings (gear) > Advanced Settings.
   2. Select Settings > Administration > System Settings.
   3. Open the Formats tab.
   4. From Current Format, choose a UK language/region and select Customize.
   5. On the Date tab, configure the short date format as dd/MM/yyyy and apply.
   This only affects new users; existing users must change their own Personalization Settings.
3. For canvas apps using a Date Picker control If a canvas app is used to edit or view the Microsoft List data, the Date Picker control can be forced to show UK format regardless of device language:
   1. Select the Date Picker control.
   2. Set its Format property to a custom pattern, for example:

            "dd/mm/yyyy"
      

   3. Optionally set the Language property to a UK language code (for example, "en-GB") so month names and other date text follow UK conventions.
   The Format property controls how the date is displayed; the underlying stored date value is unchanged.

These changes ensure that the same stored date from Microsoft Lists is rendered as dd/MM/yyyy for UK users in Power Apps.

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References:

• Date Picker control in Power Apps
• Customize regional options
• Set personal options