December 1:

• Eat a Red Apple Day.

• World Aids Awareness Day.

December 2:

• World Computer Literacy Day.

• International Day for the Abolition of Slavery.

• National Fritters Day.

December 3:

• International Day of People with Disability or World Disability Day.

• Advent.

• National Roof over Your Head Day.

December 4:

• Santas’ List Day.

• Wear Brown Shoes Day.

December 5:

• International Volunteer Day for Economic and Social Development.

• Bathtub Party Day.

• Repeal Day.

December 6:

• St. Nicholas Day.

• Mitten Tree Day.

• Put on your own Shoes Day.

December 7:

• International Civil Aviation Day.

• Letter Writing Day.

• National Cotton Candy Day.

• Pearl Harbor Day.

December 8:

• National Brownie Day.

• Take it in the Ear Day.

December 9:

• The International Anti-Corruption Day.

• Christmas Card Day.

• National Pastry Day.

December 10:

• Human Rights Day

December 11:

• International Mountain Day.

• UNICEF Day.

• National Noodle Ring Day.

December 12:

• Channukah – date varies.

• National Ding-a-Ling Day.

• Poinsettia Day.

December 13:

• Ice Cream Day.

• Violin Day.

December 14:

• International Monkey Day.

• National Bouillabaisse Day.

• Roast Chestnuts Day.

December 15:

• Bill of Rights Day.

• National Lemon Cupcake Day.

December 16:

• National Chocolate Covered Anything Day.

December 17:

• National Maple Syrup Day.

December 18:

• International Migrants Day.

• Bake Cookies Day.

• National Roast Suckling Pig Day.

December 19:

• Look for an Evergreen Day.

• Oatmeal Muffin Day.

December 20:

• International Human Solidarity Day.

• Go Caroling Day.

December 21:

• Crossword Puzzle Day.

• Forefather’s Day.

• Humbug Day.

• Look on the Bright Side Day. 

• National Flashlight Day.

• Winter Solstice.

December 22:

• National Date Nut Bread Day.

December 23:

• Festivus.

• Roots Day.

December 24:

• National Chocolate Day.

• National Egg Nog Day.

December 25:

• Christmas Day.

• National Pumpkin Pie Day.

December 26:

• Boxing Day.

December 27:

• Make Cut Out Snowflakes Day.

• National Fruitcake Day.

December 28:

• Card Playing Day.

December 29:

• Pepper Pot Day.

December 30:

• Bacon Day.

• National Bicarbonate of Soda Day.

December 31:

• Make Up Your Mind Day.

• New Year’s Eve. 

• Unlucky Day.