Abstract: A software system is provided for a conventional appointment calendar system having a calendar database for storing appointment information for plural appointment entries. The software system utilizes the date, time duration and descriptive appointment information for each appointment entry as the starting point for generating timecard records for export to an external accounting system. The software system is provided with an administrative interface for entering project information for each of a plurality of projects, a timecard user interface for creating timecard records by associating a selected calendar appointment entry with a selected one of the predefined projects, and a data export module for exporting the timecard records to the external accounting system.