- 2 Advent begins
- 7 Pearl Harbor Day
- 9 Chanukah lasts 8 days
- 12 Poinsettia Day
- 21 Winter Solstice (shortest day of the year)
- 23 Festivus - for the rest of us!
- 25 Christmas
- 26 Boxing Day
- 26 Kwanzaa
- 27 National Fruitcake Day
- 31 New Year's Eve
- More December holidays and special days