December 20th, 1979 - Tear-Off Calendar 📆☼Sunrise 7:17 AMSunset 4:18 PM♐☽Moonrise 8:08 AMMoonset 6:08 PM♑December 19th‹Thursday20December 21st›December 1979Day of the year: 354, Week of the year: 51Holidays and observances in December 20th, 1979Games DayReligious holidays in December 20th, 1979Advent