NYCPHP Meetup

[Scott Mattocks]

I googled for 'calculate third tuesday month' and got some results that 
might help you. They are in all sorts of languages but you should be 
able to pull out a good algorithm.

PHP - 
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=hgnpev8r8l19qcq5c3llic7iqn1ua3l77l%404ax.com

PHP - http://mdlug.org/pipermail/mdlug/2004-February/001638.html
(Make sure you see the follow up to that one.)

Javascript - http://developer.irt.org/script/613.htm

VBA - 
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=MPG.10d83d038d0503509897af%40msnews.microsoft.com