| International Dalek Remembrance Day | |  |
| National French Fried Shrimp Day | | |
| Crossword Puzzle Day | | |
| Humbug Day | | |
| Phileas Fogg Win A Wager Day | | |
| National Homeless Persons’ Remembrance Day | | |
| National Flashlight Day | | |
| Yule | | |
| December Solstice | | |
| Dongzhi Festival | | |
| Hanukkah VII | | |
| Fourth Advent Sunday | | |
| Turkish Language Day (Turkish community) | | |
| National Short Story Day | | |
| Don’t Make Your Bed Day | | |
| National Coquito Day | | |
| Ribbon Candy Day | | |
| Look On The Bright Side Day | | |
| National Short Girl Appreciation Day | | |
| Unity Day | | |
| National Date Nut Bread Day | | |
| Forefathers Day | | |
| Hanukkah Ends | | |
| December Solstice | | |
| Hanukkah VIII | | |
| Dongzhi Festival | | |
| Sambisa Memorial Day | | |
| Mathematics Day | | |
| National Cookie Exchange Day | | |
| National Short Person Day | | |
| National Pfeffernusse Day | | |
| National Roots Day | | |
| Festivus | | |
| Emperor's Birthday | | |
| Christmas Eve | | |
| Independence Day | | |
| Yap Constitution Day | | |
| National Eggnog Day | | |
| Christmas | | |
| Constitution Day | | |
| Christmas Day | | |
| Grav Mass Day | | |
| A'phabet Day or No "L" Day | | |
| National Pumpkin Pie Day | | |
| Boxing Day | | |
| Family Day | | |
| Synaxis of the Mother of God | | |
| Independence and Unity Day | | |
| Day of Goodwill | | |
| National Day of Thanksgiving | | |
| Proclamation Day | | |
| National Candy Cane Day | | |
| National Thank You Note Day | | |
| National Whiner’s Day | | |
| Kwanzaa (1st Day) | | |
| Day After Christmas Day | | |
| St. Stephen's Day | | |
| Second Day of Christmas | | |
| Constitution Day | | |
| National Fruitcake Day | | |
| Christmas Holiday | | |
| Visit The Zoo Day | | |
| Make Cut-Out Snowflakes Day | | |
| International Day Of Epidemic Preparedness | | |
| Holy Innocents | | |
| Day of the Holy Innocents | | |
| Republic Day | | |
| National Short Film Day | | |
| National Chocolate Candy Day | | |
| National Card Playing Day | | |
| Pledge of Allegiance Day | | |
| Feast of the Holy Family | | |
| Incwala Day | | |
| National Call A Friend Day | | |
