Newhope, here's what I've been doing in these early days (day 13)...\
When I really want a drink, I think of the most indulgent thing that I can do that involves no alcohol. Like watching a cheesy movie, buying a new book, or ordering some food (today I ordered in sweet crepes and ate them while watching a movie, yum).
Basically instead of focusing on the one thing I can't do, I focus on all the rewards that I can have because I'm not doing the one worst thing. It's like compartmentalizing the impatient, impulsive, childish part of my brain and saying, "No, you can't have a beer. But how would you like some ice cream?!!"
I'd encourage you to think of something you normally don't let yourself indulge in and doing that tonight. It might help the extra time feel like a treat rather than a burden.