no schedule. just people show up when they want to. it tends to gather people if someone will log in and stay for a bit. you can cruise the forums and be in chat.
we had a thread going that people subscribed to. you post that you are in chat and it send out emails.
we could start one on ms.
if you change the "skin" of nt to blue default, it shows you the names of the people when they are in chat.