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.
Hey, so you're from Italy, so I'm guessing you're GMT+2 right? :] I'm GMT+8 so I'll prefer to play by 5pm your time (11pm for me). As for what day, you'll decide n_n