Press on the cube "Calendar".
The current day has been highlighted.
Select the month where you would like to create an appointment, by navigating to the top, using the left and right arrows.
Press on the day where you would like to create the appointment.
Afterwards you will get an overview of all the appointments on that day. Press the button "Add appointment".
In the list at the top of the calendar choose the calendar in which you want to make the appointment. Fill in the day and the hour for the start of the appointment. Fill in the day and the hour when the appointment ends.
Add a Description and a Location and select the "Ready" button.
The appointment has been added to the day and month view in the calendar displaying the color of the selected calendar.