Staff apps are always open all the time but they aren't public to anyone but the staff team, so you can apply whenever
there's no specific times, the time it takes to be accepted/denied varies for everyone and its based on your behavior and how active you are
take a look at this http://itsjerryandharry.com/threads/tutorial-how-to-write-a-staff-application.59040/
Uh kinda. I used to just come onto the forums as a guest and didnt have an account. but just made one today. I guess you could say I've been here for awhile but haven't been noticed. :)