A week from today marks the beginning of Advent. The church calendar once provided the cadence for the march of everyday life, granting to Christians the sense of timing of season, of the low ebb of the Lenten times to the high tide of Easter. Just as farmers and cattlemen feel in their very bones the motion of the earth around the sun, and of this solar system’s wide circle around the universe, watching the changing natures scenes and the predictable habits of animals, so too the average Western man once felt the revolving year in his bones as he observed the Church’s feasts and solemn days. But now nature…