It won't be a timed or interactive challenge. Once I receive all responses, I'll post the challenge. You'll have a couple hours to complete and send in.
The latest the challenge will be posted is 7PM and the earliest you'd have to complete it is 9PM.
So if I get everything by 5, I'll post it at that time and you'll have until 9. If I don't get everything until 7, I'll post it and you'll probably have until 9:30 or 10.