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From food to animals, and healthcare to the downright bizarre, there’s a hashtag day for every organisation to get involved in. They’re a staple for social media content schedules to join a movement, add commentary on a topic, or generate more awareness. We’ve created the ultimate 2021 social media hashtag calendar so you can create exciting content all year!

Monthly Social Media Content Calendar

You’re spoiled for choice with over 300 content and hashtag ideas included in our 2021 calendar! Check out some highlights from each month below. 👀

January 2021 Social Media Content Calendar

Friday 1st January #NewYearsDay
Saturday 2nd January #ScienceFictionDay
Sunday 3rd January #JRRTolkeinDay
Monday 4th January #TriviaDay
Tuesday 5th January #NationalBirdDay
Friday 8th January #BubbleBathDay
Sunday 10th January #HouseplantAppreciationDay
Monday 11th January #CleanOffYourDeskDay
Tuesday 12th January #KissAGingerDay
Wednesday 13th January #TakeTheStairsDay
Thursday 14th January #DressUpYourPetDay
Saturday 16th January #WorldReligionDay
Monday 18th January #ThesaurusDay
Tuesday 19th January #PopcornDay
Wednesday 20th January #CheeseLoversDay
Thursday 21st January #NationalHuggingDay
Saturday 23rd January #HandwritingDay
Sunday 24th January #ComplimentDay
Monday 25th January #BubbleWrapDay
Tuesday 26th January #SpousesDay
Wednesday 27th January #HolocaustMemorialDay
Thursday 28th January #KazooDay
Friday 29th January #InternationalPuzzleDay
Saturday 30th January #CroissantDay
Sunday 31st January #BackwardDay

 

February 2021 Social Media Content Calendar

Monday 1st February #NationalSickieDay
Tuesday 2nd February #NationalHedgehogDay
Wednesday 3rd February #CarrotCakeDay
Thursday 4th February #TimeToTalkDay
Friday 5th February #WorldNutellaDay
Monday 8th February #KiteFlyingDay
Tuesday 9th February #NationalPizzaDay
Thursday 11th February #MakeAFriendDay
Saturday 13th February #WorldRadioDay
Sunday 14th February #BookGivingDay
Monday 15th February #SinglesAwarenessDay
Tuesday 16th February #PancakeDay
Wednesday 17th February #RandomActsOfKindnessDay
Saturday 20th February #LoveYourPetDay
Tuesday 23rd February #DogBiscuitDay
Wednesday 24th February #BartenderDay
Friday 26th February #WearRedDay
Saturday 27th February #InternationalPolarBearDay
Sunday 28th February #RareDiseaseDay

 

March 2021 Social Media Content Calendar

Monday 1st March #StDavidsDay
Tuesday 2nd March #DrSuessDay
Wednesday 3rd March #WorldWildlifeday
Thursday 4th March #NationalGrammarDay
Friday 5th March #NationalDayOfUnplugging
Saturday 6th March #FrozenFoodDay
Sunday 7th March #CerealDay
Monday 8th March #InternationalWomensDay
Wednesday 10th March #MarioDay
Thursday 11th March #SchoolMealsDay
Friday 12th March #AlfredHitchcockDay
Tuesday 16th March #YoungCarersActionDay
Wednesday 17th March #StPatricksDay
Thursday 18th March #GlobalRecyclingDay
Friday 19th March #WorldSleepDay
Saturday 20th March #FirstDayOfSpring
Sunday 21st March #WorldPoetryDay
Monday 22nd March #WorldWaterDay
Tuesday 23rd March #WorldMeteorologicalDay
Thursday 25th March #TolkeinReadingDay
Friday 26th March #SpinachDay
Saturday 27th March #WorldTheatreDay
Sunday 28th March #ClocksGoForward
Tuesday 30th March #NationalDoctorsDay

 

April 2021 Social Media Content Calendar

Thursday 1st April #AprilFoolsDay
Friday 2nd April #ChildrensBookDay
Saturday 3rd April #InternationalPillowFightDay
Sunday 4th April #InternationalCarrotDay
Monday 5th April #NationalDandelionDay
Wednesday 7th April #WorldHealthDay
Thursday 8th April #ZooLoversDay
Saturday 10th April #GrandNational
Monday 12th April #DayOfHumanSpaceFlight
Tuesday 13th April #ScrabbleDay
Wednesday 14th April #DolphinDay
Friday 16th April #WearPyjamasToWorkDay
Tuesday 20th April #ChineseLanguageDay
Wednesday 21st April #NationalTeaDay
Thursday 22nd April #JellyBeanDay
Friday 23rd April #StGeorgesDay
Sunday 25th April #WorldPenguinDay
Monday 26th April #WorldIPDay
Wednesday 28th April #StopFoodWasteDay
Thursday 29th April #InternationalDanceDay
Friday 30th April #HonestyDay

 

May 2021 Social Media Content Calendar

Saturday 1st May #TimeForACuppa
Sunday 2nd May #NationalTruffleDay
Monday 3rd May #NationalParanormalDay
Tuesday 4th May #StarWarsDay
Wednesday 5th May #MidwivesDay
Friday 7th May #WorldPasswordDay
Saturday 8th May #RedCrossDay
Sunday 9th May #LostSockDay
Tuesday 11th May #EatWhatYouWantDay
Wednesday 12th May #InternationalNursesDay
Thursday 13th May #WorldCocktailDay
Saturday 15th May #InternationalDayOfFamilies
Sunday 16th May #LoveATreeDay
Monday 17th May #NationalChildrensDay
Tuesday 18th May #InternationalMuseumsDay
Friday 21st May #PizzaPartyDay
Saturday 22nd May #WorldGothDay
Sunday 23rd May #WorldTurtleDay
Monday 24th May #NorthumberlandDay
Tuesday 25th May #MissingChildrensDay
Friday 28th May #WorldHungerDay
Saturday 29th May #NationalBiscuitDay
Sunday 30th May #WorldMSDay
Monday 31st May #WorldNoTobaccoDay

 

June 2021 Social Media Content Calendar

Tuesday 1st June #WorldMilkDay
Wednesday 2nd June #LeaveTheOfficeEarlyDay
Thursday 3rd June #WorldCiderDay
Friday 4th June #HugYourCatDay
Saturday 5th June #WorldEnvironmentDay
Monday 7th June #CancerSurvivorsDay
Tuesday 8th June #BestFriendDay
Saturday 12th June #WorldGinDay
Sunday 13th June #SewingMachineDay
Monday 14th June #GiveDay
Tuesday 15th June #NaturePhotographyDay
Wednesday 16th June #FudgeDay
Thursday 17th June #FlipFlopDay
Saturday 19th June #WrongTrousersDay
Sunday 20th June #WorldRefugeeDay
Monday 21st June #SelfieDay
Thursday 24th June #NationalWritingDay
Friday 25th June #CreamTeaDay
Saturday 26th June #ArmedForcesDay
Sunday 27th June #SunglassesDay
Wednesday 30th June #WorldSocialMediaDay

 

July 2021 Social Media Content Calendar

Thursday 1st July #InternationalJokeDay
Friday 2nd July #WorldUFODay
Saturday 3rd #PlasticBagFreeDay
Monday 5th July #WorkaholicsDay
Tuesday 6th July #InternationalKissingDay
Wednesday 7th July #WorldChocolateDay
Saturday 10th July #DontStepOnABeeDay
Sunday 11th July #WorldPopulationDay
Monday 12th July #SimplicityDay
Tuesday 13th July #CowAppreciationDay
Wednesday 14th July #PandemoniumDay 
Thursday 15th July #GiveSomethingAwayDay
Saturday 17th July #WorldEmojiDay
Sunday 18th July #MandelaDay
Tuesday 20th July #LollipopDay
Saturday 24th July #TequilaDay
Sunday 25th July #NationalMarineWeek
Thursday 29th July #LipstickDay
Friday 30th July #CheesecakeDay

 

August 2021 Social Media Content Calendar

Sunday 1st August #WorldWideWebDay
Monday 2nd August #ColouringBookDay
Tuesday 3rd August #WatermelonDay
Wednesday 4th August #ChocolateChipCookieDay
Thursday 5th August #Playday
Friday 6th August #InternationalBeerDay
Sunday 8th August #InternationalCatDay
Monday 9th August #BookLoversDay
Tuesday 10th August #LazyDay
Wednesday 11th August #BakewellTartDay
Thursday 12th August #WorldElephantDay
Friday 13th August #LefthandersDay
Sunday 15th August #RelaxationDay
Monday 16th August #RollerCoasterDay
Tuesday 17th August #CupcakeDay
Thursday 19th August #PotatoDay
Friday 20th August #BaconLoversDay
Sunday 22nd August #ToothFairyDay
Monday 23rd August #HashtagDay
Thursday 26th August #InternationalDogDay
Tuesday 31st August #EatOutsideDay

 

September 2021 Social Media Content Calendar

Thursday 2nd September #InternationalCoconutDay
Friday 3rd September #EmergencyServicesDay
Saturday 4th September #WorldBeardDay
Sunday 5th September #InternationalDayOfCharity
Monday 6th September #ReadABookDay
Tuesday 7th September #WorldSalamiDay
Wednesday 8th September #InternationalLiteracyDay
Thursday 9th September #TeddyBearDay
Friday 10th September #NationalHotDogDay
Saturday 11th September #MakeYourBedDay
Sunday 12th September #VideoGamesDay
Wednesday 15th September #OnlineLearningDay
Saturday 18th September #EatAnAppleDay
Sunday 19th September #TalkLikeAPirateDay
Tuesday 21st September #InternationalDayOfPeace
Wednesday 22nd September #WorldCarFreeDay
Friday 24th September #PunctuationDay
Sunday 26th September #WorldRiversDay
Monday 27th September #ChocolateMilkDay
Tuesday 28th September #NationalFitnessDay
Wednesday 29th September #WorldHeartDay
Thursday 30th September #InternationalPodcastDay

 

October 2021 Social Media Content Calendar

Friday 1st October #InternationalCoffeeDay
Saturday 2nd October #NationalBookshopDay
Sunday 3rd October #NationalGrandparentsDay
Monday 4th October #WorldAnimalDay
Tuesday 5th October #WorldTeachersDay
Wednesday 6th October #NationalBadgersDay
Thursday 7th October #NationalPoetryDay
Friday 8th October #WorldEggDay
Saturday 9th October #AstronomyDay
Sunday 10th October #WorldPorridgeDay
Monday 11th October #DayOfTheGirl
Thursday 14th October #WorldSightDay
Friday 15th October #WorldValuesDay
Saturday 16th October #WorldFoodDay
Sunday 17th October #GlobalEthicsDay
Thursday 21st October #BackToTheFutureDay
Sunday 24th October #UnitedNationsDay
Monday 25th October #WorldPastaDay
Friday 29th October #FrankensteinDay
Saturday 30th October #ChecklistDay
Sunday 31st October #ClocksGoBack

 

November 2021 Social Media Content Calendar

Monday 1st November #WorldVeganDay
Wednesday 3rd November #SandwichDay
Thursday 4th November #RoastDinnerDay
Friday 5th November #GuyFawkesNight
Saturday 6th November #SaxophoneDay
Sunday 7th November #HugABearDay
Monday 8th November #CappucinoDay
Thursday 11th November #ArmisticeDay
Friday 12th November #WorldPneumoniaDay
Saturday 13th November #WorldKindnessDay
Sunday 14th November #RemembranceDay
Monday 15th November #CleanOutYourRefrigeratorDay
Tuesday 16th November #FastFoodDay
Wednesday 17th November #NationalHomemadeBreadDay
Friday 19th November #WorldToiletDay
Saturday 20th November #AbsurdityDay
Sunday 21st November #NationalGingerbreadDay
Monday 22nd November #GoForARideDay
Wednesday 24th November #UniqueTalentDay
Friday 26th November #BlackFriday
Saturday 27th November #SmallBusinessSaturday
Sunday 28th November #Advent

 

December 2021 Social Media Content Calendar

Wednesday 1st December #WorldAIDSDay
Saturday 4th December #CandleDay
Sunday 5th December #WorldSoilDay
Monday 6th December #MicrowaveOvenDay
Thursday 9th December #AntiCorruptionDay
Friday 10th December #HumanRightsDay
Saturday 11th December #ChristmasJumperDay
Sunday 12th December #GingerbreadHouseDay
Monday 13th December #HorseDay
Tuesday 14th December #MonkeyDay
Saturday 18th December #ArabicLanguageDay
Monday 20th December #HumanSolidarityDay
Tuesday 21st December #CrosswordPuzzleDay
Sunday 26th December #CandyCaneDay
Tuesday 28th December #CardPlayingDay

 

Making the Most of Your Social Media Hashtag Calendar

While it’s great to have a bank of social media content ideas to dip into every month, they have to be the right type of content for your organisation. Check out our top tips for maximising the benefit of using trending hashtags in your social media strategy. 🤓

Use Relevant Hashtags

Make sure that the hashtags you use in your social media strategy are relevant to your organisation. Don’t create content to jump on the trending bandwagon for the sake of it, only choose the most meaningful hashtags for your audience.

Balance Your Content

The fastest way to disengage your audience is to post too much — don’t overload them with hashtags and awareness days. Decide on one or two hashtags each month, and craft quality, relevant content around them.

Listen to Your Audience

Social listening is an excellent tool for measuring the conversation around a hashtag. Determine whether creating content around a particular hashtag will give you the engagement and exposure that you’re looking for. Can you positively impact your audience with this content?

Analyse Hashtag Performance

If you’ve been using trending hashtags for a while, take a top-performing post as a benchmark to measure the performance of your other hashtag content on. By measuring, you can analyse what content works, and which awareness days resonate the best with your audience.

Optimise Your Hashtag Content

Give your content the best chance of gaining traction on a trending hashtag by optimising it. Aim to add value to your audience, by being entertaining, insightful or inspiring. Use visuals with your post, and add other hashtags where appropriate to get involved in related conversations.

 

Adding hashtags and awareness days into your regular social media schedule is an excellent way to diversify your content, get involved in other conversations, and connect with your audience on a more personal level.

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