Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
I'm GMT-6 and work full time, so I don't even get home until your 1:00 AM during the week, which means it pretty much has to be the weekend. I'm free after noon my time on both Saturday and Sunday.