Calculates date using years, months, weeks, or days. Major feature is ability to exclude non-work days. Creates and maintains exclusions lists, visually. Two psuedo exclusion lists supported (skip all Saturdays and skip all Sundays). One month free trial.
This software is a shareware. You will be able to download and test DateWhiz during a certain period of time, then, if it does what you need, you will have to acquire the full version from DateWhiz publisher. The DateWhiz 1.1 free trial version contains an installer and an uninstaller, and has a size of 185 Kilobytes.
For additional information and support request, please contact directly DateWhiz publisher.

DateWhiz Screenshot