But that was Diamond and Pearl's release date, and they are not ALWAYS on the 22nd, HG/SS was released on March 14th, so, it will most likely be on any date between February 6th and March 27th, they can't mess that up....
I always use the anime to predict the release of future games in the states, there are only 12 episodes of D/P/Pt left, meaning that it will be released on a Sunday like always 12 weeks from now, making it January 30th, but Christmas is on a Saturday this year, giving the very likely chance that Carton Network will be showing Christmas Specials and Films instead of Pokemon in it's usuall time slot, making it February 6th, then there is the likely chance of Cartoon Network showing a marathon of one of their shows (most likely Adventure Time, since CN seems to LOVE Adventure Time) on a Saturday Morning, of course it could be a Pokemon Marathon, but it will most likely be reruns, or they could show the 13th Pokemon movie on a Saturday Morning, so, it will most likely between February 6th and March 30th, if Cartoon Network does not screw up the anime schedule (or worse, Nintendo screws up something royally on the locolization and has to spend 6 weeks trying to fix it/start the translation from scratch)...
Seriously, you know darn well CN will screw up the schedule for future anime episodes in favor of Adventure Time, you know it will happen, not that Adventure Time is a bad show or anything, CN just seems to love it so much for some apparent reason, but either way, it will put B/W behind on schedule....