We are using Forms Central for proposal submissions. There is a deadline for the proposals to be turned in, and up to now, we've had to turn the form off by hand.
Is there a way to set up the form so that it automatically closes itself at a certain date and time? So, for instance, if a proposal is due on Friday, February 7, at 5:00 p.m. Eastern time, the form will switch itself to "Closed" at that time?
Not at this time.
There is a feature-request form available, where you could vote for this feature: