December 13th, 1979 - Tear-Off Calendar 📆☼Sunrise 7:13 AMSunset 4:16 PM♐☽Moonrise 1:08 AMMoonset 1:14 PM♎December 12th‹Thursday13December 14th›December 1979Day of the year: 347, Week of the year: 50Religious holidays in December 13th, 1979Advent