"John Wilson" wrote...
....
Had you not multiposted to all the ng's, I'd have given you the
....

If you're going to be sanctimonious why not get your terminology correct?
The OP *crossposted*, NOT multiposted. Outside the microsoft.* newsgroups
crossposting is generally accepted. In other words, for some of us the OP
did nothing wrong.

So, for the OP, here's the link.

http://www.cpearson.com/excel/datedif.htm