Appointments on the half hour are no longer showing on my booking page

lizkh Potential solution:

I found that when configuring a service inside of the bookings calendar Microsoft has decided to change the time increments of available bookings and the length of time that bookings actually are. 

To configure a service to have a 1-hour duration you would do so here (duration is how long the appointment will last):

This is completely separate from scheduling policies. The time increments determine how often your service is available. In this case, my service is available every 30 minutes (10:00, 10:30, 11:00, 11:30, etc.). 15-minute increments would result in 10:00, 10:15, 10:30, 10:45 11:00, etc.

For instance, I found that setting meeting times at one-hour durations and setting the time increments at 30 minutes resulted in a bookings page that looked like this:

This shows that I am able to have one-hour bookings at 30-minute time increments. Please respond to my thread if you have any questions.