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.
What's the latest time you're comfortable with on your sat night? I can't rly commit to sunday morning as my brother is having a small bday celebration on sat and I'll prob be up late. My afternoon 1-2pm should be fine though.