Putting in for a day off next month

That's what I'm doing today, and I hope I get it because the boss here is a fruitcake and stickler for making deadlines.  She's so freaking organized and driven to make some deadline 14 months from now that she's making me work the day after Thanksgiving.  But I suppose she's right.  If I had today off, I'd simply waste it by NOT going to the mall, and the deadline she's working on isn't the only one she has in the next 14 months.   I'd much rather have a day off next month when I can go...