Because it's counting time according to local time. And yes, that's what it says in the NaNo rules: you have to be done by midnight local time.
*sigh*
If my taxes hadn't gotten in the way at the last moment... But the IRS more or less gave me a final deadline: today. Or pay an amount of taxes that *they* would determine. >.> So I was working on my taxes until 3 am this morning. Then dropped dead. By the time I managed to get back to writing, it was more or less evening.
*another sigh*
And I *so* wanted to finish this time... ;__;
31515 words. There's no way I can write another 18485 words in the next 1 hour and 44 minutes left...
And I don't want to cheat... really I don't...
Oh well... ;__;
EDIT: 33501 words at the last second...
Maybe next year...
I think I'll just go over into that corner and huddle there, feeling very, very unhappy and sorry for myself.