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You are here: Home / Fun Holidays / 250 Fun December 2021 Holidays to Celebrate on Social Media!

250 Fun December 2021 Holidays to Celebrate on Social Media!

Updated on: September 27, 2021 by Louise Myers Leave a Comment

december holidays text on purple sparkly banner.

Love December holidays?

Ever wonder what holidays besides Christmas are celebrated in December?

Here are 250 of ’em! ‘Tis the season to celebrate.

Whether you want to engage your social media followers, educate your students, or just figure out when your friends are celebrating religious holidays, you’re in the right place.

You’ve found a huge December holidays list, updated for 2021!

Over 250 for your enjoyment:

  • Christian, Jewish, and pagan holidays.
  • Fun and random holidays.
  • Month-long, week-long, and daily December holidays.
  • And everything in between.

Check it out!

welcome december leaf on snow picture quote.

How to Use December Holidays and Special Days

If you’ve ever wondered what to post on social media, you’re in the right place.

You’ll find more Instagram post ideas than you could ever use! And these weird holidays also make engaging Facebook content fans love.

Wondering how they fit in your social media strategy?

To set your overall plan for the month, check out these December marketing ideas. Then find how to pick the right holidays for your audience on my mega roundup of social media holidays.

You might also want to include some December quotes!

Why use hashtag holidays? Because fans love to interact with and share them, which increases your reach and grows your followers.

To get your posts seen by a wider audience, you’ll want to include holiday hashtags! Copy and paste the appropriate hashtag to include on Instagram and Twitter, where they’re a must.

Baffled by #hashtags? Learn more about how to use hashtags on the major social networks.

If you already understand hashtag basics and are looking to grow your presence on IG specifically, then don’t miss how to use hashtags on Instagram.

Month of December 2021 Holidays and Observances

There are 23 month-long holidays to celebrate in December. If one fits your audience, plan a month-long campaign to go with it!

Month-long HolidayHashtag
Bingo’s Birthday Month#BingosBirthdayMonth
Buckwheat Month#Buckwheat
Decembeard#Decembeard
Farm to Food Bank Month#FarmToFoodBankMonth
Give the Gift of Sight Month#GiveTheGiftOfSightMonth
HIV/AIDS Awareness Month#AidsAwarenessMonth
Honor Your Pharmacists Month#PharmacistLife
MADD Tie One On For Safety#TieOneOnForSafety
National Car Donation Month#NationalCarDonationMonth
National Impaired Driving Prevention Month#ImpairedDriving
National Pear Month#NationalPearMonth
National Tie Month#NationalTieMonth
National Write A Business Plan Month#WriteABusinessPlanMonth
Read a New Book Month#ReadANewBookMonth
Root Vegetables and Exotic Fruits Month#RootVegetablesMonth
Safe Toys and Gifts Awareness Month#SafeToysAndGifts
Seasonal Affective Disorder Awareness Month#SeasonalAffectiveDisorder
Spiritual Literacy Month#SpiritualLiteracyMonth
Tomato and Winter Squash Month#WinterSquash
Universal Human Rights Month#HumanRights
Worldwide Food Service Safety Month#FoodServiceSafetyMonth
Write a Friend Month#WriteAFriend
Youngsters on The Air (YOTA) Month#YotaMonth

decembeard text on mans photo for the december holiday.

December 2021 Weekly Holidays and Observances

Here are 16 holidays that last for about a week – more or less!

DatesHolidayHashtag
Dec. 1–7Crohn’s and Colitis Awareness Week#CrohnsAwarenessWeek
Dec. 1–24Operation Santa Paws#OperationSantaPaws
Dec. 5–11Clerc-Gallaudet Week#ClercGallaudetWeek
Dec. 5–11Human Rights Week#HumanRightsWeek
Dec. 5–11National Cookie Cutter Week#CookieCutterWeek
Dec. 5–11*National Handwashing Awareness Week#HandwashingAwarenessWeek
Dec. 5–11*Older Driver Safety Awareness Week#OlderDriverSafetyAwarenessWeek
Dec. 5–11*Recipe Greetings For The Holidays Week#RecipeGreetingsForTheHolidaysWeek
Dec. 6–12*Computer Science Education Week#ComputerScienceEducationWeek
Dec. 12–18*Gluten-free Baking Week#GlutenFreeBaking
Dec. 13–17*Cookie Exchange Week#CookieExchange
Dec. 14–28*Halcyon Days#HalcyonDays
Dec. 14–Jan. 5Christmas Bird Count#ChristmasBirdCount
Dec. 17–23Saturnalia#Saturnalia
Dec. 25–31It’s About Time Week#ItsAboutTimeWeek
Dec. 26–Jan. 1Kwanzaa#Kwanzaa

December 1 Holidays and Observances 2021

December boasts 213 daily holidays to celebrate!

OBSERVANCEHASHTAG
Antarctica Day#AntarcticaDay
Bifocals at the Monitor Liberation Day#BifocalsAtTheMonitorLiberationDay
Choose Women Wednesday*#ChooseWomen
Civil Air Patrol Day#CivilAirPatrolDay
Day Without Art Day#DayWithoutArt
Eat a Red Apple Day#EatARedAppleDay
National Christmas Lights Day#ChristmasLightsDay
National Package Protection Day*#PackageProtectionDay
National Pie Day#NationalPieDay
Rosa Parks Day#RosaParksDay
Special Kids Day*#SpecialKidsDay
Wear a Dress Day#WearADressDay
World AIDS Day#WorldAidsDay

december 2 holiday national mutt day with dog photo.

December 2 Holidays and Observances 2021

Business of Popping Corn Day#BusinessOfPoppingCornDay
International Day for the Abolition of Slavery#DayForTheAbolitionOfSlavery
National Fritters Day#NationalFrittersDay
National Mutt Day#NationalMuttDay
Play Basketball Day#PlayBasketballDay
Safety Razor Day#SafetyRazorDay
Special Education Day#SpecialEducationDay

december 3 holiday make a gift day showing bath balls.

December 3 Holidays and Observances 2021

Bartender Appreciation Day*#BartenderAppreciationDay
Faux Fur Friday*#FauxFurFriday
International Day of Persons with Disabilities#DisabilityDay
International Sweater Vestival*#InternationalSweaterVestival
Let’s Hug Day#LetsHugDay
Make a Gift Day#MakeAGiftDay
National Apple Pie Day#NationalApplePieDay
National Green Bean Casserole Day#NationalGreenBeanCasseroleDay
National Roof-Over-Your-Head Day#RoofOverYourHeadDay

december 4 holiday national cookie day on photo of raspberry cookies.

December 4 Holidays and Observances 2021

Cabernet Franc Day#CabernetFrancDay
Earmuff Day*#EarmuffDay
Extraordinary Work Team Recognition Day#ExtraordinaryWorkTeamRecognitionDay
Global Fat Bike Day*#GlobalFatBikeDay
International Cheetah Day#InternationalCheetahDay
National Cookie Day#NationalCookieDay
National Dice Day#NationalDiceDay
National Rhubarb Vodka Day#RhubarbVodkaDay
National Sock Day#NationalSockDay
Santa’s List Day#SantasListDay
Skywarn Recognition Day*#SkywarnRecognitionDay
Wear Brown Shoes Day#WearBrownShoesDay
Wildlife Conservation Day#WildlifeConservationDay
World Pear Day*#WorldPearDay

December 5 Holidays and Observances 2021

AFL-CIO Day#AflCioDay
Bathtub Party Day#BathtubPartyDay
International Ninja Day#InternationalNinjaDay
International Volunteer Day#VolunteerDay
Krampusnacht#Krampusnacht
National Blue Jeans Day#NationalBlueJeansDay
National Communicate With Your Kids Day#NationalCommunicateWithYourKidsDay
National Commute With Your Baby Day#NationalCommuteWithYourBabyDay
National Sacher Torte Day#NationalSacherTorteDay
Repeal Day#RepealDay
World Soil Day#WorldSoilDay

December 6 Holidays and Observances 2021

Hanukkah ends#Hanukkah
Miners’ Day#NationalMinersDay
Mitten Tree Day#MittenTreeDay
National Gazpacho Day#NationalGazpachoDay
National Microwave Oven Day#MicrowaveOvenDay
National Pawnbrokers Day#NationalPawnbrokersDay
Put on Your Own Shoes Day#PutOnYourOwnShoesDay
St. Nicholas Day#StNicholasDay
Walt Disney Day*#WaltDisneyDay

December 7 Holidays and Observances 2021

International Civil Aviation Day#CivilAviationDay
Letter Writing Day#LetterWritingDay
National Cotton Candy Day#NationalCottonCandyDay
National Pearl Harbor Remembrance Day#PearlHarborRemembranceDay
World Trick Shot Day#TrickShotDay

december 8 holiday pretend to be a time traveeler day on futuristic photo.

December 8 Holidays and Observances 2021

Feast of the Immaculate Conception#ImmaculateConception
National Brownie Day#NationalBrownieDay
National Christmas Tree Day#NationalChristmasTreeDay
National Lard Day#NationalLardDay
Pretend To Be A Time Traveler Day#PretendToBeATimeTraveler
Take it in the Ear Day#TakeItInTheEarDay

December 9 Holidays and Observances 2021

Christmas Card Day#ChristmasCardDay
International Anti-Corruption Day#AntiCorruptionDay
International Day of Veterinary Medicine#InternationalDayOfVeterinaryMedicine
International Jewish Book Day*#InternationalJewishBookDay
National Llama Day#LlamaDay
National Pastry Day#NationalPastryDay
Weary Willie Day#WearyWillieDay
World Techno Day#WorldTechnoDay

December 10 Holidays and Observances 2021

Dewey Decimal System Day#DeweyDecimalSystemDay
Festival for the Souls of Dead Whales#FestivalForTheSoulsOfDeadWhales
Human Rights Day#HumanRightsDay
National Lager Day#NationalLagerDay
Nobel Prize Day#NobelPrizeDay
Official Lost & Found Day*#OfficialLostAndFoundDay

december 11 holiday international mountain day on purple mountains photo.

December 11 Holidays and Observances 2021

Gingerbread Decorating Day*#GingerbreadDecoratingDay
Holiday Food Drive for Needy Animals Day#HolidayFoodDriveForNeedyAnimalsDay
International Mountain Day#MountainDay
International Shareware Day*#SharewareDay
National App Day#NationalAppDay
National Have a Bagel Day#NationalHaveABagelDay
National Noodle Ring Day#NationalNoodleRingDay

December 12 Holidays and Observances 2021

Feast of Our Lady of Guadalupe#OurLadyOfGuadalupe
Gingerbread House Day#GingerbreadHouseDay
National 12-hour Fresh Breath Day#12HourFreshBreathDay
National Ambrosia Day#NationalAmbrosiaDay
National Ding-a-Ling Day#NationalDingALingDay
Poinsettia Day#NationalPoinsettiaDay
World Choral Day*#WorldChoralDay
Worldwide Candle Lighting Day*#CandleLightingDay

December 13 Holidays and Observances 2021

Green Monday*#GreenMonday
Ice Cream Day#IceCreamDay
National Cocoa Day#NationalCocoaDay
National Day Of The Horse#DayOfTheHorse
National Violin Day#NationalViolinDay
Pick A Pathologist Pal Day#PickAPathologistPalDay
U.S. National Guard Birthday#NationalGuardBirthday

December 14 Holidays and Observances 2021

Asarah B’Tevet*#AsarahBTevet
Monkey Day#MonkeyDay
National Bouillabaisse Day#BouillabaisseDay
Roast Chestnuts Day#RoastChestnutsDay

december 15 holiday cat herders day on photo of adorable kittens.

December 15 Holidays and Observances 2021

Bill of Rights Day#BillOfRightsDay
Cat Herders’ Day#CatHerdersDay
International Tea Day#InternationalTeaDay
National Cupcake Day#NationalCupcakeDay
National Wear Your Pearls Day#NationalWearYourPearlsDay

december 16 holiday chocolate covered anyhing day on photo of ice cream and fudge syrup.

December 16 Holidays and Observances 2021

Barbie and Barney Backlash Day#BarbieAndBarneyBacklashDay
Boston Tea Party Day#BostonTeaPartyDay
National Chocolate Covered Anything Day#ChocolateCoveredAnythingDay
Stupid Toy Day#StupidToyDay

december 17 holiday national maple syrup day on photo of waffle with maple syrup.

December 17 Holidays and Observances 2021

National Maple Syrup Day#MapleSyrupDay
National Ugly Christmas Sweater Day#UglyChristmasSweaterDay
Pan American Aviation Day#PanAmericanAviationDay
Underdog Day#UnderdogDay
Wright Brothers Day#WrightBrothersDay

december 18 holiday is answer the phone like buddy the elf day on photo of will ferrell.

December 18 Holidays and Observances 2021

Answer the Phone Like Buddy the Elf Day#AnswerThePhoneLikeBuddyTheElfDay
Arabic Language Day#ArabicLanguageDay
Bake Cookies Day#BakeCookiesDay
Flake Appreciation Day#FlakeAppreciationDay
International Migrants Day#MigrantsDay
National Roast Suckling Pig Day#RoastSucklingPigDay
National Twin Day#NationalTwinDay
National Wreaths Across America Day#WreathsAcrossAmericaDay
Super Saturday*#SuperSaturday

december 19 holiday look for an evergreen day on photo of snowy trees.

December 19 Holidays and Observances 2021

Holly Day#HollyDay
Look for an Evergreen Day#LookForAnEvergreenDay
National Emo Day#EmoDay
National Hard Candy Day#NationalHardCandyDay
National Oatmeal Muffin Day#OatmealMuffinDay

december 20 holiday go caroling day on photo of carolers surrounding me.

December 20 Holidays and Observances 2021

The photo above features me surrounded by carolers at Disney California Adventure 😉

Dot Your I’s Day#DotYourIsDay
Games Day#GamesDay
Go Caroling Day#GoCarolingDay
International Human Solidarity Day#HumanSolidarityDay
Mudd Day#MuddDay
National Sangria Day#NationalSangriaDay
Sacagawea Day#SacagaweaDay

december 21 holiday humbug day with photo of grumpy looking cat.

December 21 Holidays and Observances 2021

Anne and Samantha Day*#AnneSamanthaDay
Crossword Puzzle Day#CrosswordPuzzleDay
Don’t Make Your Bed Day*#DontMakeYourBedDay
First Day of Winter*#FirstDayofWinter
Forefathers’ Day#ForefathersDay
Humbug Day#HumbugDay
International Dalek Remembrance Day#DalekRemembranceDay
Look at the Bright Side Day#LookAtTheBrightSideDay
National Coquito Day#CoquitoDay
National Flashlight Day#NationalFlashlightDay
National French Fried Shrimp Day#FrenchFriedShrimpDay
National Homeless Persons’ Remembrance Day#HomelessPersonsRemembranceDay
National Kiwi Fruit Day*#NationalKiwiFruitDay
Phileas Fogg Win A Wager Day#PhileasFoggWinAWagerDay
Ribbon Candy Day#RibbonCandyDay
Short Girl Appreciation Day#ShortGirlAppreciationDay
Winter Solstice*#WinterSolstice
Yule*#Yule

december 22 holiday haiku poetry day on photo of koi fish.

December 22 Holidays and Observances 2021

Abilities Day#AbilitiesDay
National Cookie Exchange Day#CookieExchangeDay
National Date Nut Bread Day#DateNutBreadDay

December 23 Holidays and Observances 2021

Festivus#Festivus
HumanLight#HumanLight
National Pfeffernusse Day#NationalPfeffernusseDay
National Regifting Day#NationalReGiftingDay
National Roots Day#NationalRootsDay

december 24 holiday egg nog day text on photo of eggnog with red bells.

December 24 Holidays and Observances 2021

Christmas Eve#ChristmasEve
Last-Minute Shopper’s Day#LastMinuteShoppersDay
National Eggnog Day#NationalEggnogDay

merry christmas script on red strawberry with sugar snow.

December 25 Holidays and Observances 2021

Christmas Day#MerryChristmas
National Pumpkin Pie Day#NationalPumpkinPieDay
No “L” Day#NoLDay

december 26 holiday thank you note day on photo of hand writing one.

December 26 Holidays and Observances 2021

Boxing Day#BoxingDay
National Candy Cane Day#NationalCandyCaneDay
National Thank You Note Day#NationalThankYouNoteDay
National Whiner’s Day#NationalWhinersDay

december 27 holiday visit the zoo day on photo of lemur.

December 27 Holidays and Observances 2021

Christmas Day observed#Christmas
National Fruitcake Day#NationalFruitcakeDay
Make Cut Out Snowflakes Day#MakeCutOutSnowflakesDay
Visit The Zoo Day#VisitTheZooDay

december 28 holiday chocolate candy day text on photo.

December 28 Holidays and Observances 2021

Call a Friend Day#CallAFriendDay
Boxing Day observed#BoxingDay
Holy Innocents’ Day#HolyInnocentsDay
National Card Playing Day#CardPlayingDay
National Chocolate Candy Day#ChocolateCandyDay
National Download Day#DownloadDay
National Short Film Day#ShortFilmDay
Pledge of Allegiance Day#PledgeOfAllegianceDay

december 29 holiday tick tock day on photo of purple alarm clock.

December 29 Holidays and Observances 2021

National Hero Day#NationalHeroDay
National Pepper Pot Day#NationalPepperPotDay
Still Need To Do Day#StillNeedToDoDay
Tick Tock Day#TickTockDay

december 30 holiday bacon day on photo of eggs and bacon on blue plate.

December 30 Holidays and Observances 2021

Bacon Day#BaconDay
Falling Needles Family Fest Day#FallingNeedlesFamilyFestDay
Festival of Enormous Changes at the Last Minute#FestivalOfEnormousChangesAtTheLast Minute
National Bicarbonate of Soda Day#BicarbonateOfSodaDay

new years eve photo with oprah quote.

December 31 Holidays and Observances 2021

Hogmanay#Hogmanay
Make Up Your Mind Day#MakeUpYourMindDay
National Champagne Day#NationalChampagneDay
New Year’s Eve#HappyNewYear
No Interruptions Day*#NoInterruptionsDay
Universal Hour of Peace Day#HourOfPeaceDay
Unlucky Day#UnluckyDay
World Peace Meditation Day#PeaceMeditationDay

happy new year script on photo of champagne served by butler.

Conclusion

Did you ever think there could be so many December holidays?

While it’s not the only one by far, for most Western nations, Christmas trumps all. So you may want to include a few Christmas marketing ideas.

I’ve got a page each for:

→ Christmas slogans.

→ Christmas quotes.

→ And Christmas Bible verses.

There’s never a dull moment when you’re celebrating December holidays!

Enjoy.

happy winter photo with text december holidays to win over your audience.

Filed Under: Fun Holidays Tagged With: christmas, holiday marketing, winter

About Louise Myers

Louise Myers is a graphic design expert whose designs have been featured by Disney, Macy's, WalMart and more. Her straightforward writing style empowers small business owners to make their own graphics for social media success!

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