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 can do 7pm - 10pm GMT (1pm to 4pm for GMT-6) Monday to Thursay, 7pm - 12pm (1pm to 6pm for GMT-6) on Friday and 1pm to 12pm on Saturday (7am to 6pm for GMT-6). (I may have done GMT-6 times wrong)