December 21st, 1975 - Tear-Off Calendar 📆☼Sunrise 7:18 AMSunset 4:18 PM♐☽Moonset 9:15 AMMoonrise 8:05 PM♋/♌December 20th‹Sunday21December 22nd›December 1975Day of the year: 355, Week of the year: 52Holidays and observances in December 21st, 1975Forefathers’ DayReligious holidays in December 21st, 1975AdventFourth Sunday of Advent