The Alabama Panhellenic posts this information on its site. Short version:
The first two days, visit all the sororities.
Then:
Days three and four of recruitment, you will have the opportunity to visit
up to 12 sororities for 30 minutes each
You may attend
up to eight parties, each of which is 45 minutes in length during days five and six of Recruitment
Then on day seven,
up to three Preference parties, each lasting 50 minutes
Please check the site at:
http://www.uapanhellenic.com/what-to-wear.html
So yes, it's like what KSUViolets said ^^ .