A device and also a system for generating a period-specific calendar view in an electronic device with a display for displaying information and a database for storing calendar data, wherein the method reads calendar data of the period from the database for a calendar view, wherein the period comprises a set of shorter periods which cover the period in a compiled manner, to be displayed in the calendar view, and wherein the calendar data comprise a set of user activities which are allocated to the shorter periods, and the calendar view is displayed on the display of the device by using the calendar data, wherein a quantitative distribution of the activities within the scope of the period is visualized in a three-dimensional bar chart, whose single bar structure illustrates a shorter period of time and its length dimension is dependent on the quantity of activities within the shorter period.