Aren't you up past your bedtime?
Well, when one is talking about religion around the winter solstice on the US West Coast the odds are the reference is to Christianity and Christmas. Could be Judaism, but since Jews don't have winter solstice displays in public places and there are relatively few that's probably not the reference.
Don't answer tonight. It's not worth arguing about, and it's probably time for your feeding if you mother is going to get any sleep.