This is as AS3 event calender which is driven by an external XML file which is fully customizable. The file has a lot of customizable features which include:

Calendar can display events in a month grid or days stack.
Calendar supports multiday events. Meaning the event can be repeated over multiple consecutive days, including over 2 consecutive months if needed.
Each event can have it’s own color for easier grouping of the events or you can apply universal color to it.
Calendar supports Sunday to Saturday and Monday to Sunday layout.
Each day can have virtually unlimited amount of events.
Events can be time stamped for users to know when event takes place.
Event can auto open if it’s date equals todays date.
All data is stored in external XML file.