December 13th, 1973 - Tear-Off Calendar 📆☼Sunrise 7:13 AMSunset 4:16 PM♐☽Moonset 10:05 AMMoonrise 8:57 PM♌December 12th‹Thursday13December 14th›December 1973Day of the year: 347, Week of the year: 50Religious holidays in December 13th, 1973Advent