Appointments+ Calendar Not Showing Available Times

I have set up Appointments+ on my site, and have set the overall availability, as well as the specific provider availability. I have also set the blackout time to 24 hours. Yet, when I add the shortcodes to display the calendar that allows scheduling, there are no days/times listed as available at all. There should be at least 10 days shown as available. Can you explain why this is not so? The page is: