You can see the detailed calendar on the right side of the screen after clicking on the day you want to view in the compact calendar. 

If you would like to see what deadlines, tasks, or any scheduled activities are due on a certain day, click on a day in the calendar in the left menu bar, and the detailed calendar will appear on the right side of the screen. 

Here you can view your activities in different calendar views and you can switch between them by clicking on the "Month", "Multiweek", "Week" buttons. 

Daily view

This is the most detailed view. Events taking place at the same time appear in columns next to each other. Navigation between days is possible with the left and right arrow. 

Weekly view

Events taking place at the same time appear overlaid. Navigation between weeks is possible with the left and right arrow. 

Monthly view

Events taking place at the same time appear under each other in order of their start dates. Navigation between months is possible with the left and right arrow.  

Multiweek view

In a default view it contains the events of three weeks. You can add weeks to the multiweek view with the left and right arrows.