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.
When do you want to play for UU Masters? Deadline is in two weeks - January 27th. I am GMT-6. I can play most days after 8pm if you just give me a day or more notice. I can also play Wednesday and Thursday from 8am to noon. Let me know what works for you or your schedule if none of them work.