When you press the menu item 'Calendars', you will be transferred to the daily view that provides you with an overview of one particular day. You can view both available times and booked appointments. You can choose between viewing three different versions of the daily view:
A simple daily view, an advanced 2.2 daily view or Mobile. Which daily view is preferred is often a matter of opinion and taste. However, please note that the advanced versions contain more features. You can choose between the three versions of the daily view at the top of both daily views:

For more information about the two types of daily views see Simple daily view and Advanced 2.0 daily view.