Profile for Phillyoz

I am coming from Australia and will be trying the cancellation line for a Wednesday matinee on June 21.  Have investigated the best I can and have the following questions:

What time do people start these days? I've seen everything from midnight to 6am

I read that matinee is often easier to get than evening.  Anyone able to comment on this?

Can someone please confirm that I will be there until the show starts and that it's unlikely the