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How to Change the Time Format Displayed in Microsoft Bookings

Emma BrownEmma Brown Oct 13, 2026 871 views

Question details

The user wants to change the appointment time format (e.g., from AM/PM to 24-hour) displayed in Microsoft Bookings.

How to Change the Time Format in Microsoft Bookings
Product
Microsoft Bookings
Device & OS
not provided
Scenario
Configuring booking pages and appointment schedules for customer view.
Observed behavior
Microsoft Bookings displays times in the AM/PM format by default, with no direct internal setting available to switch to an alternative format.
Before you start

Ensure you have administrative access to your Microsoft 365 account and that your web browser is updated, as Bookings inherits display formats from your global region and browser settings.

Solution 1Recommended

Adjust Regional and Language Settings in Microsoft 365

Since Bookings lacks a native time format toggle, changing your global Microsoft 365 account region settings is the primary way to influence the time display.

Microsoft Bookings pulls its date and time formatting directly from your overarching Microsoft 365 profile settings. By changing your regional format to a locale that utilizes a 24-hour clock, you can potentially alter the way times are presented in the Bookings dashboard.

1
Access account settings

Log in to your Microsoft 365 account on the web, click on your profile picture in the top right corner, and select 'View account'.

2
Navigate to language and region

In the left-hand navigation pane, click on 'Settings & Privacy', then select 'Language & Region'.

3
Update regional format

Change your regional format to a locale that defaults to your preferred time format (for example, a region like the UK or Germany for the 24-hour clock). Save your changes.

4
Refresh Microsoft Bookings

Navigate back to Microsoft Bookings and refresh the page to see if the time format has updated to reflect your new regional settings.

Adjust Regional and Language Settings in Microsoft 365
Current Version Limitations: If Microsoft Bookings continues to use the AM/PM format after these adjustments, the format may not be fully configurable in the current version of the app.
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Frequently Asked Questions

Why is there no specific time format setting directly within Microsoft Bookings?

Microsoft Bookings is designed to streamline scheduling by automatically adapting to the standard regional settings of the Microsoft 365 tenant or the viewer's browser, rather than offering granular, isolated time format toggles within the app itself.

Can I force a 24-hour clock format for my customers booking appointments?

Currently, you cannot force a strict global 24-hour format specifically for the customer-facing booking page. The time format displayed largely depends on the customer's own browser and local system region settings.

Will changing my Microsoft 365 region affect other Microsoft applications?

Yes, updating the Language & Region settings in your Microsoft 365 account profile will apply those preferences across all connected Microsoft web services, including Outlook on the web, Excel online, and SharePoint.