Weird Holidays in December
| 1 | Eat a Red Apple Day |
| 2 | National Fritters Day |
| 3 | National Roof Over Your Head Day Make a Gift Day |
| 4 | National Kitten Day Wear Brown Shoes Day |
| 5 | Bathtub Party Day Day of the Ninja |
| 6 | Mitten Tree Day Put On Your Own Shoes Day Microwave Oven Day |
| 7 | National Cotton Candy Day Letter Writing Day |
| 8 | National Brownie Day Pretend to be a Time Traveler Day |
| 9 | National Pastry Day Christmas Card Day Official Lost and Found Day |
| 10 | Worldwide Candle Lighting Day Dewey Decimal System Day Jane Addams Day |
| 11 | National Noodle Ring Day |
| 12 | Gingerbread House Day |
| 13 | National Cocoa Day |
| 14 | Roast Chestnuts Day Monkey Day |
| 15 | Bill of Rights Day |
| 16 | Chocolate Covered Everything Day Ugly Sweater Day Underdog Day |
| 17 | National Maple Syrup Day Wright Brothers Day |
| 18 | Wear a Plunger on Your Head Day |
| 19 | Look for an Evergreen Day |
| 20 | Go Caroling Day Sangria Day |
| 21 | Don’t Make Your Bed Day International Dalek Remembrance Day |
| 22 | National Cookie Exchange Day Date Nut Bread Day |
| 23 | Festivus |
| 24 | National Egg Nog Day |
| 25 | National Pumpkin Pie Day Grav Mass Day No-L Day (aka A’phabet Day) |
| 26 | National Candy Cane Day Thank You Note Day |
| 27 | National Fruitcake Day No Interruptions Day |
| 28 | Call a Friend Day Card Playing Day |
| 29 | Tick Tock Day Pepper Pot Day |
| 30 | No Interruptions Day Bicarbonate of Soda Day |
| 31 | Make Up Your Mind Day |