I think that what hygge is is a thing everybody on the planet knows. A grandfather with the little one on his lap and the teenage grandchild just beside with a book :) But it is true that the homes of Scandinavians and especially in the winter is the epitome of hygge, and Christmas is the time where everything is coming together. We even have a small heathen house-God to keep us company :)

But we do also use the word about a noisy evening at the pub, if we were together with old friends. Actually we use the word very, very often :)