Tis the Season' is a phrase commonly used to refer to the holiday season, which includes CHRISTMAS, YULE, and NOEL. CHRISTMAS is a religious holiday celebrated by Christians on December 25th to commemorate the birth of Jesus Christ. YULE is an ancient pagan festival celebrated around the winter solstice, which marks the shortest day and longest night of the year. NOEL is another term for CHRISTMAS, derived from the French phrase 'les bonnes nouvelles, ' meaning 'the good news.'