Fix Microsoft Bookings Not Showing Sundays or Future Dates
Question details
The user is unable to see Sundays as bookable options or select custom dates beyond a one-week timeframe in Microsoft Bookings.

- Product
- Microsoft Bookings
- Device & OS
- not provided
- Scenario
- Setting up a booking calendar with weekend availability and extending the visible scheduling dates for clients.
- Observed behavior
- Sundays are entirely missing from the booking options, and custom booking times are restricted to only one week out, even though the end date is explicitly set two weeks ahead.
Ensure you have Administrator permissions for the specific Microsoft Bookings calendar you are trying to modify, as Viewer or Guest roles cannot adjust scheduling policies.
Enable Sunday as a Workday in Staff and Calendar Settings
Adjust your staff working hours and calendar settings to ensure weekends are explicitly marked as available days.
By default, Microsoft Bookings configures availability based on standard Monday-through-Friday business hours. To make Sundays appear on the booking page, you must manually override these defaults for both the specific service and the staff members.
Log in to Microsoft Bookings and navigate to the 'Staff' tab on the left-hand menu.
Select the staff member assigned to the service. Uncheck the 'Use business hours' option to unlock custom daily schedules.
Ensure the checkbox next to Sunday is selected, set the desired start and end times for Sunday availability, and click 'Save'.

Review Booking Page Date Range and Maximum Lead Time
Modify the scheduling policy to allow bookings beyond the default one-week timeframe.
Consult the Microsoft Bookings Community
Seek specialized assistance if adjusting the date-range parameters and staff working hours does not resolve the calendar display issue.
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Frequently Asked Questions
Why does Microsoft Bookings default to hiding Sundays from the calendar?
By default, Microsoft Bookings aligns with standard business operating hours, which typically cover Monday to Friday. You must manually configure custom availability in both the Booking Page and Staff settings to open weekend time slots.
How do I increase the timeframe customers can book appointments in advance?
You can increase the booking window by navigating to your Booking page settings, scrolling to the 'Scheduling policy' section, and increasing the 'Maximum lead time' value to your desired number of days.
What should I do if the custom availability settings in Bookings are grayed out?
If you cannot modify availability settings, it usually means your account lacks Administrator permissions for that specific Bookings calendar. Contact the calendar owner or your IT administrator to grant you the necessary access.




