Didn't filming begin on November 22?

I swear i remember filming of this movie beginning on November 22, 2001. Everywhere aside from this place says November 18 (this place says 19) I remember reading something about filming beginning on "thursday" as well. I also remember this well because, in my country, it was thanksgiving day 2001. Granted it would make more sense for it to be November 19, because that was a monday, but i swear i remember filming beginning on a thursday, and it being the 22nd. Does anyone else remember this? Or at least could explain what i was really seeing? Perhaps whatever website i was reading at the time got it wrong? I do almost remember this place claiming November 18 at the time, but there has been a few times where the filming date elsewhere has been listed differently.

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Evil must be punished!