According to breeder, it's 8 - 10 weeks of flower, so finishing before christmass is an attainable goal, since there's still 6 weeks left until then, and you're already two weeks in.. Tho, personally, I'd let it get the extra 2 - 3 weeks if it where me.
- At the very least, you won't be able to properly dry it in time, even if you harvest a little earlier than that.. Unless you're okay with quick drying it, for a taste of chlorophyll. (I do this whenever I make bubble, since taste means nothing when it's hash compared to buds.. - Or just when I want to smoke and got nothing else. lol)