Are you a small business owner or marketer? Looking for December holidays or special dates to celebrate on social media?
Marketing your business on social media just got a lot easier with this complete list of holidays, observances, and special dates for December 2021.
The list includes more than 185 different holidays and observances to celebrate in December.
To learn why holidays make great social media posts read: The Complete Calendar of Social Media Holidays.
Holiday Hashtags for Social Media
When celebrating holidays on social media, it’s important to include the relevant hashtag(s) for that holiday in your post.
Using hashtags will help increase the reach of your post, exposing your business to a larger audience.
Hashtags are such an essential piece to your success on social media that I’ve done the research for you.
Most of the holidays listed below include the corresponding hashtag for social media.
For more social media post ideas read: What to Post on Social Media – 100 Post Ideas for 2020.
List of December 2021 Holidays
In an effort to simplify this massive list of holidays, I’ve divided the days into five categories – public holidays, religious holidays, monthly observances, weekly observances, and daily observances.
Scroll down to view all 185+ holidays or use the following links to skip ahead to a specific category.
Access all Holidays for the Year
Did you know there are over 3,300 holidays to celebrate on social media each year?
Click here for a complete listing of holidays for every month of the year.
If you’d like a printable PDF with all the holidays listed out by month, check out the Social Media Content App. It includes a free PDF of all 3,300+ holidays.
December 2021 Public Holidays
| Date | Holiday | Hashtag | Where Observed |
|---|---|---|---|
| December 21 | 1st Day of Winter | #WinterSolstice | North America |
| December 21 | December Solstice | #WinterSolstice | United Kingdom |
| December 22 | December Solstice | #SummerSolstice | Australia |
| December 25 | Christmas Day | #Christmas | Worldwide |
| December 26 | Boxing Day | #BoxingDay | Australia, Canada, UK |
| December 26 | Proclamation Day | #ProclamationDay | South Australia |
| December 27 | Christmas Day Observed | Worldwide | |
| December 28 | Boxing Day Observed | Australia, Canada, UK | |
| December 28 | Proclamation Day Observed | South Australia | |
| December 31 | New Year's Eve | #NYE | Worldwide |
December 2021 Religious Holidays
| Date | Holiday | Hashtag | Religion |
|---|---|---|---|
| December 6 | Hanukkah Ends | #Hanukkah | Jewish |
| December 8 | Feast of the Immaculate Conception | #ImmaculateConception | Christian |
| December 12 | Feast of Our Lady of Guadalupe | #OurLadyGuadalupe | Christian |
| December 14 | Asarah B'Tevet | #AsarahBTevet | Jewish |
| December 24 | Christmas Eve | #ChristmasEve | Christian |
| December 25 | Christmas | #Christmas | Christian |
December 2021 Monthly Observances
| Holiday |
|---|
| Bingo’s Birthday Month |
| Buckwheat Month |
| HIV/AIDS Awareness Month |
| MADD Tie One On For Safety |
| National Car Donation Month |
| National Drunk & Drugged Driving (3D) Prevention Month |
| National Impaired Driving Prevention Month |
| National Pear Month |
| National Tie Month |
| National Write A Business Plan Month |
| Root Vegetables and Exotic Fruits Month |
| Safe Toys and Gifts Awareness Month |
| Spiritual Literacy Month |
| Universal Human Rights Month |
| Worldwide Food Service Safety Month |
| Youngsters on The Air (YOTA) Month |
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December 2021 Weekly Observances
| Date | Holiday |
|---|---|
| Dec. 1 - 7 | Crohn’s and Colitis Awareness Week |
| Dec. 5 - 11 | Clerc-Gallaudet Week |
| Dec. 5 - 11 | Human Rights Week |
| Dec. 5 - 11 | National Cookie Cutter Week |
| Dec. 5 - 11 | National Handwashing Awareness Week |
| Dec. 5 - 11 | Older Driver Safety Awareness Week |
| Dec. 5 - 11 | Recipe Greetings For The Holidays Week |
| Dec. 6 - 12 | Computer Science Education Week |
| Dec. 12 - 18 | Gluten-free Baking Week |
| Dec. 14 - Jan. 5 | Christmas Bird Count |
| Dec. 17 - 23 | Saturnalia |
December 2021 Daily Observances
| Date | Holiday | Hashtag |
|---|---|---|
| December 1 | Bifocals at the Monitor Liberation Day | #BifocalsAtTheMonitorLiberationDay |
| December 1 | Civil Air Patrol Day | #CivilAirPatrolDay |
| December 1 | Day Without Art Day | #DayWithoutArt |
| December 1 | Eat a Red Apple Day | #EatARedAppleDay |
| December 1 | National Christmas Lights Day | #ChristmasLightsDay |
| December 1 | National Package Protection Day | #PackageProtectionDay |
| December 1 | National Pie Day | #NationalPieDay |
| December 1 | Rosa Parks Day | #RosaParksDay |
| December 1 | World AIDS Day | #WorldAidsDay |
| December 2 | International Day for the Abolition of Slavery | #DayForTheAbolitionOfSlavery |
| December 2 | National Fritters Day | #NationalFrittersDay |
| December 2 | National Mutt Day | #NationalMuttDay |
| December 2 | Safety Razor Day | #SafetyRazorDay |
| December 2 | Special Education Day | #SpecialEducationDay |
| December 2 | Special Kids Day | #SpecialKidsDay |
| December 3 | Bartender Appreciation Day | #BartenderAppreciationDay |
| December 3 | Faux Fur Friday | #FauxFurFriday |
| December 3 | International Day of Persons with Disabilities | #DisabilityDay |
| December 3 | Make a Gift Day | #MakeAGiftDay |
| December 3 | National Roof Over Your Head Day | #RoofOverYourHeadDay |
| December 4 | National Cookie Day | #NationalCookieDay |
| December 4 | National Dice Day | #NationalDiceDay |
| December 4 | National Rhubarb Vodka Day | #RhubarbVodkaDay |
| December 4 | National Sock Day | #NationalSockDay |
| December 4 | Skywarn Recognition Day | #SkywarnRecognitionDay |
| December 4 | Wear Brown Shoes Day | #WearBrownShoesDay |
| December 4 | Wildlife Conservation Day | #WildlifeConservationDay |
| December 5 | AFL-CIO Day | #AflCioDay |
| December 5 | Bathtub Party Day | #BathtubPartyDay |
| December 5 | International Ninja Day | #InternationalNinjaDay |
| December 5 | International Volunteer Day | #VolunteerDay |
| December 5 | National Sacher Torte Day | #NationalSacherTorteDay |
| December 5 | Repeal Day | #RepealDay |
| December 5 | World Soil Day | #WorldSoilDay |
| December 6 | Miners’ Day | #NationalMinersDay |
| December 6 | Mitten Tree Day | #MittenTreeDay |
| December 6 | National Gazpacho Day | #NationalGazpachoDay |
| December 6 | National Microwave Oven Day | #MicrowaveOvenDay |
| December 6 | National Pawnbrokers Day | #NationalPawnbrokersDay |
| December 6 | Put on Your Own Shoes Day | #PutOnYourOwnShoesDay |
| December 6 | St. Nicholas Day | #StNicholasDay |
| December 7 | International Civil Aviation Day | #CivilAviationDay |
| December 7 | Letter Writing Day | #LetterWritingDay |
| December 7 | National Cotton Candy Day | #NationalCottonCandyDay |
| December 7 | National Pearl Harbor Remembrance Day | #PearlHarborRemembranceDay |
| December 7 | World Trick Shot Day | #TrickShotDay |
| December 8 | National Brownie Day | #NationalBrownieDay |
| December 8 | Pretend To Be A Time Traveler Day | #PretendToBeATimeTraveler |
| December 8 | World Pear Day | #WorldPearDay |
| December 9 | Christmas Card Day | #ChristmasCardDay |
| December 9 | International Anti-Corruption Day | #AntiCorruptionDay |
| December 9 | National Llama Day | #LlamaDay |
| December 9 | National Pastry Day | #NationalPastryDay |
| December 9 | Weary Willie Day | #WearyWillieDay |
| December 9 | World Techno Day | #WorldTechnoDay |
| December 10 | Dewey Decimal System Day | #DeweyDecimalSystemDay |
| December 10 | Human Rights Day | #HumanRightsDay |
| December 10 | National Lager Day | #NationalLagerDay |
| December 10 | National Salesperson's Day | #SalespersonsDay |
| December 10 | Nobel Prize Day | #NobelPrizeDay |
| December 10 | Official Lost & Found Day | #OfficialLostAndFoundDay |
| December 11 | Gingerbread Decorating Day | #GingerbreadDecoratingDay |
| December 11 | International Mountain Day | #MountainDay |
| December 11 | International Shareware Day | #SharewareDay |
| December 11 | National App Day | #NationalAppDay |
| December 11 | National Noodle Ring Day | #NationalNoodleRingDay |
| December 12 | Gingerbread House Day | #GingerbreadHouseDay |
| December 12 | National 12-hour Fresh Breath Day | #12HourFreshBreathDay |
| December 12 | National Ambrosia Day | #NationalAmbrosiaDay |
| December 12 | National Ding-a-Ling Day | #NationalDingALingDay |
| December 12 | Poinsettia Day | #NationalPoinsettiaDay |
| December 12 | World Choral Day | #WorldChoralDay |
| December 12 | Worldwide Candle Lighting Day | #CandleLightingDay |
| December 13 | Green Monday | #GreenMonday |
| December 13 | National Cocoa Day | #NationalCocoaDay |
| December 13 | National Day Of The Horse | #DayOfTheHorse |
| December 13 | National Violin Day | #NationalViolinDay |
| December 13 | Pick A Pathologist Pal Day | #PickAPathologistPalDay |
| December 13 | U.S. National Guard Birthday | #NationalGuardBirthday |
| December 14 | Monkey Day | #MonkeyDay |
| December 14 | National Bouillabaisse Day | #BouillabaisseDay |
| December 15 | Bill of Rights Day | #BillOfRightsDay |
| December 15 | Cat Herders' Day | #CatHerdersDay |
| December 15 | International Tea Day | #TeaDay |
| December 15 | National Cupcake Day | #NationalCupcakeDay |
| December 15 | National Wear Your Pearls Day | #NationalWearYourPearlsDay |
| December 16 | Barbie and Barney Backlash Day | #BarbieAndBarneyBacklashDay |
| December 16 | National Chocolate Covered Anything Day | #ChocolateCoveredAnythingDay |
| December 17 | National Maple Syrup Day | #MapleSyrupDay |
| December 17 | National Ugly Christmas Sweater Day | #UglyChristmasSweaterDay |
| December 17 | Pan American Aviation Day | #PanAmericanAviationDay |
| December 17 | Underdog Day | #UnderdogDay |
| December 17 | Wright Brothers Day | #WrightBrothersDay |
| December 18 | Answer the Phone Like Buddy the Elf Day | #AnswerThePhoneLikeBuddyTheElfDay |
| December 18 | Arabic Language Day | #ArabicLanguageDay |
| December 18 | International Migrants Day | #MigrantsDay |
| December 18 | National Roast Suckling Pig Day | #RoastSucklingPigDay |
| December 18 | National Wreaths Across America Day | #WreathsAcrossAmericaDay |
| December 19 | National Emo Day | #EmoDay |
| December 19 | National Hard Candy Day | #NationalHardCandyDay |
| December 19 | National Oatmeal Muffin Day | #OatmealMuffinDay |
| December 20 | Games Day | #GamesDay |
| December 20 | International Human Solidarity Day | #HumanSolidarityDay |
| December 20 | Mudd Day | #MuddDay |
| December 20 | National Sangria Day | #NationalSangriaDay |
| December 21 | Anne and Samantha Day | #AnneSamanthaDay |
| December 21 | Crossword Puzzle Day | #CrosswordPuzzleDa |
| December 21 | First Day of Winter | #FirstDayofWinter |
| December 21 | Forefathers' Day | #ForefathersDay |
| December 21 | Humbug Day | #HumbugDay |
| December 21 | International Dalek Remembrance Day | #DalekRemembranceDay |
| December 21 | National Coquito Day | #CoquitoDay |
| December 21 | National Flashlight Day | #NationalFlashlightDay |
| December 21 | National French Fried Shrimp Day | #FrenchFriedShrimpDay |
| December 21 | National Homeless Persons’ Remembrance Day | #HomelessPersonsRemembranceDay |
| December 21 | Phileas Fogg Win A Wager Day | #PhileasFoggWinAWagerDay |
| December 21 | Short Girl Appreciation Day | #ShortGirlAppreciationDay |
| December 21 | Yule Begins | #Yule |
| December 22 | National Cookie Exchange Day | #CookieExchangeDay |
| December 22 | National Date Nut Bread Day | #DateNutBreadDay |
| December 23 | Festivus | #Festivus |
| December 23 | National Pfeffernusse Day | #NationalPfeffernusseDay |
| December 23 | National Regifting Day | #NationalReGiftingDay |
| December 23 | National Roots Day | #NationalRootsDay |
| December 24 | National Eggnog Day | #NationalEggnogDay |
| December 25 | National Pumpkin Pie Day | #NationalPumpkinPieDay |
| December 25 | No “L” Day | #NoLDay |
| December 26 | National Candy Cane Day | #NationalCandyCaneDay |
| December 26 | National Thank You Note Day | #NationalThankYouNoteDay |
| December 26 | National Whiner’s Day | #NationalWhinersDay |
| December 27 | National Fruitcake Day | #NationalFruitcakeDay |
| December 27 | Visit The Zoo Day | #VisitTheZooDay |
| December 28 | Call a Friend Day | #CallAFriendDay |
| December 28 | Holy Innocents' Day | #HolyInnocentsDay |
| December 28 | National Card Playing Day | #CardPlayingDay |
| December 28 | National Chocolate Candy Day | #ChocolateCandyDay |
| December 28 | National Download Day | #DownloadDay |
| December 28 | National Short Film Day | #ShortFilmDay |
| December 28 | Pledge of Allegiance Day | #PledgeOfAllegianceDay |
| December 29 | National Pepper Pot Day | #NationalPepperPotDay |
| December 29 | Still Need To Do Day | #StillNeedToDoDay |
| December 29 | Tick Tock Day | #TickTockDay |
| December 30 | Bacon Day | #BaconDay |
| December 30 | Falling Needles Family Fest Day | #FallingNeedlesFamilyFestDay |
| December 30 | National Bicarbonate of Soda Day | #BicarbonateOfSodaDay |
| December 31 | Hogmanay | #Hogmanay |
| December 31 | Make Up Your Mind Day | #MakeUpYourMindDay |
| December 31 | National Champagne Day | #NationalChampagneDay |
| December 31 | No Interruptions Day | #NoInterruptionsDay |
| December 31 | Universal Hour of Peace Day | #HourOfPeaceDay |
| December 31 | World Peace Meditation Day | #PeaceMeditationDay |
Sources:
timeanddate.com, nationaldaycalendar.com, en.wikipedia.org, holidayscalendar.com, nationaltoday.com, checkiday.com, brownielocks.com
Social Media Marketing Resources
Want more social media marketing resources and tips?
You’re in luck!
I have a whole bunch of free content on my website and Youtube channel all about marketing your business.
To get started, I recommend these three articles:
- What to Post on Social Media – 100 Post Ideas with Free Cheat Sheet
- 65 Social Media Questions to Increase Engagement
- 210 Daily Hashtags for Social Media
And be sure to download my free cheat sheet of 100 Social Media Post Ideas.
You’re going to love it!
Holidays + Fun, Weird and Special Dates for 2022 and beyond
The complete list of holidays, observances, fun, weird, and special dates for each month in 2020 can be found here: AngieGensler.com/Holidays
Social Media Just Got Easy
Tackle social media and save HOURS of time and stress with the Social Content App. You’ll get 365 days of Copy-and-Post Content inside a user-friendly mobile app!
Jecara tried it and said: “WOW!! The app didn’t just save me time, but saved me mental strain and the sense of social media overwhelm was ZERO!! I LOVE THIS APP!!”
Click here to start your free 7-day trial and see why business owners around the world are raving about the Social Content App.
