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How to Configure Microsoft Bookings Appointment Start Times to Avoid Odd Intervals

Maira Mehtab Sep 21, 2026 868 views

Question details

The user wants to set Microsoft Bookings to schedule 30-minute appointments exactly on the hour or half-hour, avoiding unusual start times like 10:50 or 11:20 that occur when fitting around other existing meetings.

Product: Microsoft Bookings
Device & OS: not provided
Scenario: Scheduling appointments automatically based on existing calendar events and availability.
Observed behavior: Appointments are being scheduled at irregular intervals (e.g., 10:50, 11:20) instead of standard hour or half-hour marks.

Before you start

Before configuring your Microsoft Bookings page, ensure you have administrator access to the Bookings calendar and verify your current default scheduling policy settings.

Solution 1Recommended

Adjust Time Increments in the Booking Page Settings

Use this solution to force all standard bookings to snap to 30-minute intervals (e.g., 10:00, 10:30), preventing the system from generating awkward start times.

Microsoft Bookings calculates availability based on the lengths of existing meetings and the defined time increment. If the time increment is too small or undefined, it may offer odd start times like 10:50 to squeeze in a meeting. Setting a strict 30-minute time increment resolves this.

Open Bookings Settings

Navigate to Scheduling Policy

Click on 'Booking page' in the left-hand navigation menu and scroll down to the 'Scheduling policy' section.

Set Time Increments

Locate the 'Time increments' dropdown menu and change it from the default setting to '30 minutes'.

Check Individual Services

Save your changes. If the issue persists for specific appointments, navigate to the 'Services' tab, edit the individual service, and ensure its custom scheduling policy also uses a 30-minute time increment.

Tip: To completely avoid back-to-back meetings, you can also enable 'Buffer time' in the service settings to automatically block out 10-15 minutes before and after each booked appointment.

Solution 2

Consult the Microsoft Bookings Community

Use this step if standard scheduling policy adjustments do not resolve your specific calendar sync conflict or if you encounter a bug.

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Frequently Asked Questions

Why is Microsoft Bookings scheduling appointments at weird times like 10:50?

This usually happens when the 'Time increments' setting in your scheduling policy is set too low (e.g., 5 or 10 minutes) and the system tries to fit a new booking immediately after an irregular-length meeting ends. Changing the time increment to 30 minutes forces all start times to snap to standard half-hour marks.

Can I set different time intervals for different services in Bookings?

Yes. While you can set a default scheduling policy for the entire booking page, you can override this by navigating to the 'Services' tab, selecting a specific service, unchecking 'Use the default scheduling policy', and configuring custom time increments.

How do I prevent back-to-back appointments in Microsoft Bookings?

To avoid back-to-back meetings, you can add buffer time. Go to your service settings, toggle on 'Buffer time your customers can't book', and assign a specific amount of time (such as 15 minutes) before and after appointments to ensure you have a break.

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