From 7-8, practice English with native speakers and others who wish to enhance their English language skills. Only English will be spoken.
From 8-9, practice Portuguese with native speakers and others who wish to maintain their Portuguese language skills. Only Portuguese will be spoken. There will be no lessons. No "listeners", please. If you say even one sentence in English, the organizer will bite your head off.
Attend whichever hour you want (or both).
Those interested in Portuguese lessons should contact one of the following schools:
Diga Brazil, http://www.digabrazil.com/classes.htm,
Listen and Learn, http://www.listenandlearnusa.com/portuguese/philadelphia/
Live Mocha (internet language exchange and courses), http://www.livemocha.com,
Philadelphia Language School, http://philadelphialanguagecenter.com/Foreign_Language_Program.html
Verbal Planet (Skype tutoring), http://www.verbalplanet.com/.