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 Ubers Open? I'm EST, and can play any day starting this week Sunday through the deadline from 4 PM - 5:30 PM or 9:30 PM - 11 PM. Just let me know what works best for you!