"What?" You say? "Advent has FOUR weeks, not THREE!"
Well, yes - but not THIS year, nor several more to follow. This Sunday is the Fourth Sunday in Advent - but Monday is Christmas! This means that the "Fourth Week of Advent" is really just a single day! Monday begins the Season of Christmas! I say several more years to follow because the Fourth Week of Advent will only gain a day per year (excluding Leap Year) eventually getting us to a full week after the Fourth Sunday of Advent - which, of course, will put Christmas on a Sunday and that won't happen again until 2022.
Many of you may be scratching your heads over the statement that Monday begins the Season of Christmas. Many think the Christmas Season begins when Santa Claus rides in on the Macy's Thanksgiving Day Parade and lasts until Christmas Day. Well - they are wrong! The current season, which begins four Sundays before the Christ Mass, is Advent. The Season of Christmas begins on Christmas Day and lasts through at least Epiphany (January 6th). The older tradition is that Christmas lasts through Candlemas - in which the Nativity is read about for the last time in the liturgical year. Candlemas is on February 2nd and is the 40th day of the Christmas/Epiphany Season.