December 21st, 1973 - Tear-Off Calendar 📆☼Sunrise 7:18 AMSunset 4:19 PM♐☽Moonrise 4:42 AMMoonset 2:08 PM♏/♐December 20th‹Friday21December 22nd›December 1973Day of the year: 355, Week of the year: 51Holidays and observances in December 21st, 1973Forefathers’ DayReligious holidays in December 21st, 1973Advent