December 17th, 1978 - Tear-Off Calendar 📆☼Sunrise 7:16 AMSunset 4:17 PM♐☽Moonset 9:12 AMMoonrise 7:34 PM♋/♌December 16th‹Sunday17December 18th›December 1978Day of the year: 351, Week of the year: 51Holidays and observances in December 17th, 1978Wright Brothers DayReligious holidays in December 17th, 1978AdventThird Sunday of Advent