Hey there, current student here. There were a very small group of us that were notified prior to Christmas but the majority of people did not find out until February/March. You could probably check last years thread to see when people starting posting about acceptances/rejections.
Also just as a heads up, there did not seem to be any rhyme or reason to who/when they sent out notifications to. There wasn’t any pattern at all, someone from the same interview group got notified in December and another not until March so it really is just a waiting game.
But deep breaths, you’ve done the hard part and now just try and enjoy the holidays and don’t obsess over it too much