The Polyphony Date/Time Utilities Demo illustrates the functionality of the Polyphony Date/Time Utilities software package. The package itself consists of a powerful dynamic-link library, which contains 27 original functions for date and time calculations and formatting. Included with this package are the necessary BASIC, C++, and Delphi modules, libraries, and header, or include, files, which provide direct links between your applications and the date/time DLL. In addition, the Date/Time Utilities package possesses a comprehensive help resource, which provides references to all library functions and included support files.