But what about this “putting Christ back into Christmas?” When I first entered the Society of Jesus,
the custom of most Jesuit houses was to treat Advent as a period of expectation, of penance.My own family had always put the tree up in mid-December, if not earlier. Anticipation was the mood. As novices, our first Christmas did not begin till Midnight Mass on Christmas Eve. The celebration was after the event, not before. The twelve days of Christmas were in fact counted. We did not take down Christmas decorations till the Octave of the Epiphany.
Link to the article (here)