Abstract: A system and method for visualizing and displaying calendar and timeline data in an intuitive and easily-manipulated manner. In an embodiment, a computer system application may implement a method for reading data from a data store of timeline elements wherein each timeline elements having associated data and an associated context. The data for a timeline element may include data such as start time, end time, span, title, and other information typically associated with a calendar entry. Context may be relationships defined for displaying a timeline event within a layout and visualization scheme such as size of the timeline element, display relationship with respect to a timeline, display relationship with respect to levels or containers, and display relationship with respect to other timeline events.