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How to Turn Off Overnight Hours in Microsoft Bookings

Elise WilliamsElise Williams Sep 25, 2026 869 views

Question details

The user needs to stop Microsoft Bookings from showing nighttime availability on their scheduling page.

How to Turn Off Overnight Hours in Microsoft Bookings
Product
Microsoft Bookings
Device & OS
not provided
Scenario
Configuring custom business and service hours for client appointments.
Observed behavior
Nighttime availability continues to display even after custom business and service hours are configured.
Before you start

Ensure you have administrator access to the Microsoft Bookings calendar you are modifying, as staff-level access may not permit changes to global availability or scheduling policies.

Solution 1Recommended

Verify Business Hours and Staff Availability Settings

Check both the global business hours and individual staff availability settings, as staff-specific settings can override your global calendar hours.

In Microsoft Bookings, the availability shown to customers is a combination of the global booking page settings, specific service settings, and individual staff schedules. If overnight hours are showing, one of these overlapping settings is likely misconfigured.

1
Check Booking Page settings

Log in to Microsoft 365, open the Bookings app, and navigate to the 'Booking page' tab on the left sidebar. Ensure your 'Business hours' are set correctly and do not include overnight time slots.

2
Verify Staff hours

Go to the 'Staff' tab and select individual staff members. Make sure 'Use business hours' is checked, or if they have custom hours, verify that their specific schedule does not include overnight availability.

3
Review Service settings

Check the 'Services' tab. Open each service and look at the 'Availability options'. Ensure the service isn't configured with special availability that overrides the general booking page settings.

Verify Business Hours and Staff Availability Settings
Time Zone Settings: Double-check your time zone settings under 'Region and time zone settings' on the Booking page. If it is set to a different time zone, daytime slots might appear as overnight hours to you or your clients.
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Frequently Asked Questions

Why does my Bookings page show hours outside my set business hours?

This typically occurs because individual staff availability or specific service settings are overriding the global Booking page business hours. Check both the Staff and Services tabs to align them with your standard business hours.

Can I set different working hours for different staff members?

Yes, in Microsoft Bookings, you can uncheck the 'Use business hours' option in a staff member's profile and set custom hours specific to their personal schedule.

Does time zone affect Microsoft Bookings availability?

Yes, if your Bookings page is set to a different time zone than your clients, it may appear as though overnight hours are available. Ensure the 'Always show time slots in business time zone' setting is configured correctly based on your target audience.