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Fix Microsoft Bookings Marking Two Days Unavailable for 24-Hour Reservation

Nimra Malik Sep 28, 2026 869 views

Question details

The user is experiencing a scheduling error in Microsoft Bookings where a 24-hour reservation blocks out two days on the calendar instead of one.

How to Fix Microsoft Bookings Marking Two Days Unavailable for a 24-Hour Reservation

Product: Microsoft Bookings
Device & OS: not provided
Scenario: Creating a 24-hour reservation from midnight to midnight in the Microsoft Bookings system.
Observed behavior: The system sends the correct email confirmation but improperly marks both the selected reservation day and the previous day as unavailable for any future bookings.

Before you start

Verify that the timezone settings in your Microsoft Bookings page exactly match both the staff member's Outlook calendar and the customer's timezone, as timezone mismatches are a common cause of midnight scheduling overlaps.

Solution 1Recommended

Report to the Microsoft Bookings Community Hub

Engaging with the official Microsoft Bookings Community Hub is the most effective way to address this known backend scheduling behavior with specialists.

Because this involves the core scheduling logic of Microsoft Bookings and how it interprets midnight-to-midnight timeframes, it often requires intervention or bug reports filed directly with Microsoft specialists. The Community Hub allows you to share your specific configuration and find potential backend fixes.

Visit the Community Hub

Open your web browser and navigate to the official Microsoft Tech Community website.

Navigate to the Bookings section

Go to the Microsoft 365 community category and select the Microsoft Bookings forum.

Post your issue details

Create a new post detailing your exact booking parameters (midnight to midnight) and your exact timezone settings to get assistance from Bookings specialists.

Report to the Microsoft Bookings Community Hub

Search before posting: Before creating a new thread, search the hub for '24-hour reservation' or 'two days unavailable' as other users may have recently posted a confirmed workaround.

Solution 2

Adjust the Booking Start Time as a Workaround

Slightly offset the 24-hour time block to prevent the system from incorrectly bleeding into the previous calendar day.

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Frequently Asked Questions

Why does Microsoft Bookings block the day before my appointment?

This is often caused by timezone inconsistencies. If the booking starts exactly at midnight and the system detects even a slight timezone offset between the server, the staff calendar, or the customer, it may register the start time as 11:59 PM on the previous day, blocking both days.

Can I set a reservation to span exactly 24 hours in Bookings?

Yes, you can configure an appointment from midnight to midnight. However, due to known overlap glitches with exact midnight entries, it is safer to set the duration to start at 12:01 AM or last for 23 hours and 59 minutes.

Where can I get direct support for Microsoft Bookings bugs?

The most effective place to report technical bugs and get direct support from specialists is the Microsoft Bookings Community Hub, located within the Microsoft Tech Community portal.

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