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How to Change Microsoft 365 Admin Center to a 24-Hour Clock

Steven ParkerSteven Parker Nov 3, 2026 868 views

Question details

The user wants to configure the Microsoft 365 Admin Center interface to display time in a 24-hour clock format globally for their organization.

How to Change Microsoft 365 Admin Center to a 24-Hour Clock
Product
Microsoft 365 Admin Center
Device & OS
not provided
Scenario
An IT administrator operating in a fully cloud-based environment is trying to modify the time format settings for the admin.microsoft.com views.
Observed behavior
The admin center continues displaying dates and times in the default United States 12-hour format, ignoring previous changes made to the regional and time-zone settings.
Before you start

Ensure you are logged in with Global Administrator credentials. Keep in mind that certain display formats in the Microsoft 365 portal may be tied to individual profile locales rather than organization-wide settings.

Solution 1Recommended

Adjust Your Individual Language and Region Locale

Since time formatting in Microsoft 365 is often tied to user profiles, changing your regional format to a locale that inherently uses a 24-hour clock can resolve the display issue.

Even for global administrators, the Microsoft 365 Admin Center UI defaults to the time format dictated by the language and region settings of the logged-in profile. Standard 'English (US)' defaults to a 12-hour clock, so you must switch to a locale like 'English (UK)' to enforce 24-hour formatting.

1
Access your profile settings

Log into admin.microsoft.com, click your profile picture in the top right corner, and select 'View account'.

2
Navigate to language settings

In the left-hand menu of your account page, click on 'Settings & Privacy' and locate the 'Language & Region' section.

3
Change the regional format

Click on 'Regional format' and change it from 'English (United States)' to 'English (United Kingdom)' or another locale that uses a 24-hour clock by default.

4
Save and wait for synchronization

Apply the changes. Note that regional settings can take several hours to fully propagate across all Microsoft 365 admin center views.

Adjust Your Individual Language and Region Locale
No Global Toggle: Currently, Microsoft does not offer a single toggle to enforce a 24-hour clock organization-wide in the Admin Center; each admin may need to adjust their own regional settings.
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Frequently Asked Questions

Why doesn't the Microsoft 365 Admin Center respect my time zone settings?

The Admin Center UI formatting is primarily dictated by your 'Regional format' setting rather than your 'Time zone' setting. If your region is set to the United States, it will enforce a 12-hour clock regardless of your time zone.

Can I enforce a 24-hour clock for my entire organization?

No. In Microsoft 365, language and time formatting preferences are tied to individual user profiles. Microsoft currently does not provide a global toggle to enforce a 24-hour clock across all administrator accounts.

Does having a hybrid environment prevent me from changing time formats?

Yes, it can. In hybrid environments, attributes like display language and time zones are often synchronized from your on-premises Active Directory. If this is the case, cloud administrators cannot override these settings directly through the Microsoft 365 portal.

How long does it take for language and regional changes to apply?

After updating your Language & Region settings in your personal Microsoft account, it can take up to 24 hours for the new formatting preferences to synchronize and display properly across all Microsoft 365 admin portals.