I was going to book people in and run heats/finals just like any other meeting. It will of course stay quite informal, no points to score or trophies to win, just racing for fun
I expect most people will use the time to work on setups or maybe race a car that they wouldn't usually (break out the vintage ones Jimmy??)
I'm not really pushed for time, but for the purpose of advertising the meetings we need to say what time we will start.
Possibly we could run open practice from say 5:30 till 6:30, start racing proper between 6:45 and 7:00 finish for 9:00 ish? depending on numbers there should be some play time between runs.