When's the latest time to submit the freshman deposit?

When’s the latest time submit the deposit? it it April 30 at 11:59 pm or May 1st at 11:59 pm?

I ask this not because I WANT to submit last minute, rather because my parents are still working out the financial aid and they NEED as much time as possible to figure things out.

Thank you so much in advance,
Welcometomylife

I want to say 11:59PM EST May 1 but I would do it tonight 11:59 to be safe!