I said before to not worry about time zones but I suppose an exact cut-off would be nice... Does 3am EST / 12am PST sound fine? The reality is you could get away with sneaking in improvements over the weekend, but your submission date should preferably be 3/28 or early hours of 3/29.
One of the entries got a call out from The Verge.http://www.theverge.com/2014/3/29/5559748/alzheimers-awareness-takes-the-form-of-an-enchanting-stroll-among-pixels
I've had just about the worst I've ever had (irl issues) and this is just another freakin stupid thing pulling me down.