Auto Formatt Rows?

Giganews Newsgroups
Subject: Auto Formatt Rows?
Posted by:  wx4usa (wx4u…
Date: 3 Jan 2007

I have a report that is layed out calendar style. By this I mean there
are 31 rows of data about 20 columns wide.

QUESTION: Is there a way to hide entire rows number 29, 30 and 31 in
February and row 31 in April, June, September and November based on the
month reviewed which is in cell a1?