If you are new you will probably want to get there a little before or at 12pm. That way you can do a few parade laps to see the track and learn all of the rules (make sure to read the manual first too). At the last few track days there has always been people that have been there many times and know the track well, I have asked a few of the ‘veterans’ to ride in my car or for a ride in their car and they have been great! I would suggest it, they can help you find the right line, and learn the track!