Most likely, hours. I went Wednesday, arrived in line at 4:20pm, and they warned me I might not make it in before 10pm and I didn't. When I first arrived arrived they gave me a card guaranteeing me I'd get in on the 9th. Since I stayed and was in the group that would have been next if time hadn't run out they gave me one for the 6th. And from the sound of it there was just as many people waiting in line today.
I'm not sure, up to an hour, I suspect though...
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