Hi TracTechSystems,
You can do this by filtering the export with a script. We have a Help Center article that explains how to do this here. It uses some other date fields in one of its examples.
Hope this helps!
- Justin
Justin Henderiks
Technical Sales Specialist
Method Integration Inc.
Toll Free: 1.888.925.6238
Local and overseas: 416.847.0400
Fax: 416.640.6027
E-mail: j.henderiks@method.me