To view your calendar, click on the calendar icon in the menu. This will bring you to the default view selected in your preferences. You can click one of the six icons to change your calendar view.
DayCurrent day is displayed, broken down into time increments. Increment and working hours can be set in preferences.
WeekCurrent week is displayed. Start day of week can be set in preferences.
MonthCurrent month is displayed.
YearCurrent year is displayed.
PlannerI don't know yet
Daily Matrix ViewDisplays a selection of users and their available times for a given date range