December 13th, 1977 - Tear-Off Calendar 📆☼Sunrise 7:13 AMSunset 4:16 PM♐☽Moonrise 9:34 AMMoonset 8:11 PM♑/♒December 12th‹Tuesday13December 14th›December 1977Day of the year: 347, Week of the year: 50Religious holidays in December 13th, 1977Advent