One thing we love about hashtag holidays is how many holidays involve food. While December holds many holidays with cultural significance, even more involve food. Pie, pastry, gazpacho, cookies, cotton candy–it’s all there. A particular favorite is December 13’s Ice Cream and Violins Day. You could take it literally or a tea and sympathy approach for mental health.

Last Updated: January 15, 2021 – 85 hashtag holidays

This list starts with the hashtag holidays by day, followed by the celebration months. There’s a little duplication because that’s the nature of made up holidays. Some also rotate year-to-year and we’re still working at identifying those. If you know a holiday that’s missing or we’ve made a mistake, please let us know!

Hashtag holidays with rotating dates are identified by the year. Official public holidays have the country and state, if state-based.

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December 1

National Pie Day | Eat a Red Apple Day | World AIDS Day

December 2

National Fritters Day

December 3

National Roof-Over-Your-Head Day | International Day of Persons with Disabilities

December 4

National Cookie Day | Wear Brown Shoes Day | World Wildlife Conservation Day

December 5

National Sacher Torte Day | International Volunteer Day

December 6

National Gazpacho Day | Mitten Tree Day

December 7

National Cotton Candy Day | Pearl Harbor Remembrance Day

December 8

Pretend to be a Time Traveler Day | Take It in the Ear Day | National Brownie Day

December 9

National Pastry Day | Lost and Found Day | National Llama Day

December 10

Festival For The Souls of Dead Whales | Human Rights Day | Hanukkah begins (2020)

December 11

International Mountain Day | National Noodle Ring Day | National App Day

December 12

National Ding-A-Ling Day | Foster Child Day | International Universal Health Coverage Day

December 13

Ice Cream and Violins Day | National Guard Birthday | National Ice Cream Day

December 14

National Bouillabaisse Day

December 15

National Cupcake Day | National Lemon Cupcake Day | Regifting Day

December 16

National Chocolate Covered Anything Day | Free Shipping Day

December 17

Underdog Day | National Maple Syrup Day | Wright Brothers Day

December 18

National Roast Suckling Pig Day | Arabic Language Day | Hanukkah ends (2020) | International Migrants Day

December 19

Oatmeal Muffin Day | Look for an Evergreen Day

December 20

Games Day | National Sangria Day

December 21

Crossword Puzzle Day | Look on the Bright Side Day | National Flashlight Day | National French Fried Shrimp Day | Hamburger Day | Short Story Day | First Day of Winter (2021 North America)

December 22

National Date-Nut Bread Day | Forefathers’ Day

December 23

Roots Day

December 24

National Egg Nog Day | Christmas Eve (AR, KY, MI, NC, SC, TN, TX, VA, WV, WI) | Washington’s Birthday (GA, IN)

December 25

Christmas Day | National Pumpkin Pie Day

December 26

Boxing Day | National Whiners Day | Day After Christmas (NC, OK, SC, TX) | Kwanzaa begins (2020)

December 27

National Fruitcake Day

December 28

Card Playing Day | National Chocolate Day

December 29

Pepper Pot Day

December 30

Bacon Day | Festival of Enormous Changes at the Last Minute | National Bicarbonate of Soda Day

December 31

New Year’s Eve (KY, MI, WV, WI) | Unlucky Day

December Hashtag Holidays

Human Rights Month | Read a Book Month | Human Rights Month | Safe Toys and Gifts Month | Stress-Free Month | Food Service Safety Month | National Fruit Cake Month | National Eggnog Month | Write a Business Plan | Operation Santa Paws | Bingo Month | Write a Friend Month

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Photo by Natalia Rüdisüli on Unsplash