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Hashtag Days and National holidays in 2021

Hashtag Days and National holidays make ideal social media posts if the day connects with your audience and has a relevance to your business.

They also make good blog content.

We often used them for our customer’s social media channels and websites.

To help everyone out, we have put together this list of days dated for 2021.

Why not add it to your favourites in your browser so you can refer to it for planning your monthly posts or marketing campaigns.

January 2021

January 1 – New Year’s Day #NewYearsDay

January 2 – Science Fiction Day #ScienceFictionDay

January 2 – World Introvert Day #WorldIntrovertDay

January 4 – National Trivia Day #NationalTriviaDay

January 5 – National Bird Day #NationalBirdDay

January 6 – National Technology Day #NationalTechnologyDay

January 11 – Clean Off Your Desk Day #CleanOffYourDeskDay

January 13 – National Sticker Day #NationalStickerDay

January 14 – Dress Up Your Pet Day #DressUpYourPetDay

January 15 – Humanitarian Day #HumanitarianDay

January 15 – National Hat Day #NationalHatDay

January 18 - Blue Monday #BlueMonday

January 20 – Cheese Lovers Day #CheeseLoversDay

January 21 – National Hugging Day #NationalHuggingDay

January 23 – National Pie Day #PieDay

January 24 – National Compliment Day #NationalComplimentDay

January 25 – Chinese New Year #YearOfTheRat

January 29 – Fun At Work Day #FunAtWorkDay

February 2021

February 2 – Groundhog Day #GroundhogDay

February 4 – World Cancer Day #WorldCancerDay

February 5 – National Bubble Gum Day #BubbleGumDay

February 7 – National Send a Card to a Friend Day #SendACardToAFriendDay

February 9 – National Pizza Day #NationalPizzaDay

February 11 – Inventors Day #InventorsDay

February 13 – Self-Love Day #SelfLoveDay

February 13 – World Radio Day #WorldRadioDay

February 14 – Valentine’s Day #ValentinesDay

February 14 –  International Book Giving Day #InternationalBookGivingDay

February 16 – Mardi Gras #MardiGras

February 17 – Random Acts of Kindness Day #RandomActsOfKindnessDay

February 18 – National Battery Day #NationalBatteryDay

February 20 – World Day of Social Justice #SocialJusticeDay

February 20 – Love Your Pet Day #LoveYourPetDay

February 22 – National Wildlife Day #NationalWildlifeDay

March 2021 

March 1 – National Peanut Butter Lover’s Day #PeanutButterLoversDay

March 3 – World Wildlife Day #WorldWildLifeDay

March 4 – National Grammar Day #GrammarDay 

March 4 – World Maths Day #MathsDay 

March 4 – National Pancake Day #NationalPancakeDay

March 4 – World Book Day #WorldBookDay

March 5 – National Day of Unplugging #DayOfUnplugging

 

March 5 – National Employee Appreciation Day #EmployeeAppreciationDay

March 6 – National Dentist’s Day #DentistsDay 

March 7 – National Cereal Day #NationalCerealDay

March 8 – International Women’s Day #InternationalWomensDay #IWD2021 #EachforEqual

March 8 – National Proofreading Day #NationalProofreadingDay

March 9 – Organise Your Home Office Day #OrganiseYourHomeOfficeDay

March 10 – Women & Girls HIV/AIDS Awareness Day #NWGHAAD

March 10 – National Pack Your Lunch Day #NationalPackYourLunchDay

March 12 – Popcorn Lover’s Day #PopcornLoversDay

March 13 – World Sleep Day #WorldSleepDay

March 14 – Mothers Day #MothersDay

March 14 – Daylight Savings #DaylightSavings

March 15 – National Napping Day #NationalNappingDay

March 16 – National Freedom of Information Day #FreedomOfInformationDay

March 17 – St. Patrick’s Day #StPatricksDay

March 20 – First Day of Spring #FirstDayofSpring

March 20 – International Day of Happiness #InternationalDayofHappiness

March 20 – World Storytelling Day #WorldStorytellingDay

March 21 – World Poetry Day #WorldPoetryDay

March 22 – World Water Day #WorldWaterDay #Water2me

March 23 – National Puppy Day #NationalPuppyDay

March 26 – National Spinach Day #NationalSpinachDay

March 26 – Purple Day #PurpleDay

March 27 – Earth Hour Day #EarthHourDay

April 2021

April 1 – April Fools Day #AprilFools

April 2 - Good Friday

April 2 –  World Autism Awareness Day #WAAD

April 3 – Find a Rainbow Day #FindARainbowDay

April 4 – Hug a Newsperson Day #HugANewsperson

April 4- Easter Sunday #EasterSunday

April 7 – World Health Day #LetsTalk

April 10 – National Siblings Day #NationalSiblingsDay

April 11 – National Pet Day #NationalPetDay

April 12 – International Day of Human Space Flight #HumanSpaceFlightDay

April 15 – National High-Five Day #NH5D

April 15 – Get to Know Your Customers Day #GetToKnowYourCustomersDay

April 16 – Wear Your Pyjamas to Work Day #PJDay

April 16 – National Stress Awareness Day #StressAwarenessDay

April 21 – National Administrative Professionals Day #AdministrativeProfessionalsDay

April 22 – Earth Day #EarthDay2021

April 23 – National Picnic Day #NationalPicnicDay

April 28 – Denim Day #DenimDay

April 29 – International Dance Day #InternationalDanceDay

April 30 – International Jazz Day #JazzDay

May 2021 

May 1 – May Day #MayDay

May 1 – International Workers Day #IntWorkersDay

May 3 – World Press Freedom Day #WPFD2020

May 4 – Star Wars Day #StarWarsDay

May 4 – Thank a Teacher Day #ThankATeacher

May 4 – International Firefighters Day #InternationalFirefightersDay

May 5 – World Asthma Day #WorldAsthmaDay

May 6 – National Nurses Day #NursesDay

May 12 – National Receptionist Day #NationalReceptionistDay

May 12 – National Limerick Day #NationalLimerickDay

May 15 – National Chocolate Chip Day #ChocolateChipDay

May 15 – International Day of Families #FamilyDay

May 16 – Love a Tree Day #LoveATreeDay

May 21 – Endangered Species Day #EndangeredSpeciesDay 

May 24 – National Scavenger Hunt Day #NationalScavengerHuntDay

May 28 – Hamburger Day #NationalHamburgerDay

May 28 – Heat Awareness Day #NoFryDay

May 31 – Memorial Day #MemorialDay

June 2021

June 4 – National Dougnut Day #NationalDonutDay

June 5 – World Environment Day #WorldEnvironmentDay

June 6 – National Cancer Survivor’s Day #NCSD2021

June 8 – World Oceans Day #WorldOceansDay

June 8 – Best Friends Day #BestFriendsDay 

June 14 – National Flag Day #FlagDay

June 14 – World Blood Donor Day #GiveBlood

June 20 – Father’s Day #FathersDay

June 21 – National Selfie Day #NationalSelfieDay

June 21 – World Music Day #WorldMusicDay

June 21 –  International Yoga Day #InternationalYogaDay

June 27 – National Sunglasses Day #NationalSunglassesDay

June 30 – Social Media Day #SMDay, #SocialMediaDay

July 2021

July 1 – International Tell A Joke Day #TellAJoke

July 2 – World UFO Day #WorldUFODay

July 4 – Independence Day #July4th

July 7 – World Chocolate Day #WorldChocolateDay

July 7 – Global Forgiveness Day #GlobalForgivenessDay

July 11 – Cheer Up the Lonely Day #CheerUpTheLonelyDay

July 12 – National Simplicity Day #NationalSimplicityDay

July 13 – National French Fries Day #NationalFrenchFryDay

July 15 – Give Something Away Day #GiveSomethingAwayDay

July 15 – Get to Know Your Customers Day #GetToKnowYourCustomersDay

July 17 – World Emoji Day #WorldEmojiDay

July 18 – National Ice Cream Day #NationalIceCreamDay

July 24 – National Tequila Day #NationalTequilaDay

July 25 – Parent’s Day #ParentsDay

July 30 – International Day of Friendship #DayOfFriendship

August 2021

August 3 – National Watermelon Day #WatermelonDay

August 7 – National Campfire Day #CampfireDay

August 8 – International Cat Day #InternationalCatDay

August 9 – National Book Lovers Day #NationalBookLoversDay

August 10 – National Lazy Day #NationalLazyDay

August 11 – National Sons and Daughters Day #SonsAndDaughtersDay

August 12 – International Youth Day #YouthDay

August 13 – International Lefthanders Day #LefthandersDay

August 15 – National Relaxation Day #NationalRelaxationDay

August 16 – National Tell a Joke Day #NationalTellAJokeDay

August 19 –  World Photo Day #WorldPhotoDay

August 19 – World Humanitarian Day #WorldHumanitarianDay

August 20 – National Lemonade Day #NationalLemonadeDay

August 21 – Senior Citizens Day #SeniorCitizensDay

August 26 – National Women’s Equality Day #WomensEqualityDay

August 26 – National Dog Day #NationalDogDay

September 2021 

September 4 – International Bacon Day #BaconDay

September 5 – International Day of Charity #CharityDay

September 6 – Read a Book Day #ReadABookDay

September 8 – International Literacy Day #LiteracyDay

September 10 – Stand Up To Cancer Day #KissCancerGoodbye

September 11 – National Day of Service and Remembrance #911Day

September 12 – National Video Games Day #NationalVideoGamesDay

September 12 – National Grandparents Day #NationalGrandparentsDay

September 13 – Positive Thinking Day #PositiveThoughts

September 15 – Online Learning Day #OnlineLearningDay

September 19 – Talk Like a Pirate Day #TalkLikeAPirateDay

September 21 – International Day of Peace #PeaceDay

September 21 – Civic Day of Hacking #HackForChange

September 21 – World Alzheimer’s Day #Alzheimer’sDay

September 22 – Hobbit Day #HobbitDay

September 22 – First Day of Autumn

September 27 – World Tourism Day #WTD2021

September 29 – International Coffee Day #InternationalCoffeeDay

September 29 – National Women’s Health and Fitness Day #FitnessDay

September 30 – International Podcast Day #InternationalPodcastDay

September 30 – National Love People Day #NationalLOVEPeopleDAY 

October 2021

October 1 – World Vegetarian Day #WorldVegetarianDay

October 2 – Day of Nonviolence #InternationalDayOfNonviolence

October 2 – National Techies Day #TechiesDay

October 4 – World Animal Day #WorldAnimalDay

October 4 – National Taco Day #NationalTacoDay

October 4 – World Habitat Day #WorldHabitatDay

October 5 – World Teachers Day #WorldTeachersDay

October 10 – World Mental Health Day #WorldMentalHeathDay

October 11 – Indigenous Peoples Day #IndigenousPeoplesDay

October 11 – International Day of the Girl #DayOfTheGirl

October 14 – World Sight Day #WorldSightDay

October 14 – National Dessert Day #DessertDay

October 15 – Get to Know Your Customers Day #GetToKnowYourCustomersDay

October 16 – National Boss’s Day #NationalBossDay #BossDay #BestBossEver #HappyBossDay 

October 16 – World Food Day #FoodDay

October 17 – National Clean Your Virtual Desktop Day #CleanYourVirtualDesktopDay

October 17 – Eradication of Poverty Day #EndPoverty

October 24 – United Nations Day #UNDay

October 25 – Greasy Foods Day #GreasyFoodsDay

October 25 – World Pasta Day #WorldPastaDay

October 28 – National Chocolate Day #NationalChocolateDay

October 29 – National Internet Day #InternetDay

October 30 – National Publicist Day #NationalPublicist

October 31 – Halloween #Halloween

November 2021

November 1 – National Authors Day #NationalAuthorsDay

November 1 – World Vegan Day #WorldVeganDay

November 3 – National Sandwich Day #NationalSandwichDay

November 3 – International Stress Awareness Day #StressAwarenessDay

November 4 – National Candy Day #NationalCandyDay

November 7 – Daylight Saving Time Ends #DaylightSavings

November 8 – National Cappuccino Day #CappuccinoDay

November 11 – Veterans Day #VeteransDay

November 13 – World Kindness Day #WKD

November 14 – World Diabetes Day #WDD

November 15 – Clean Out Your Refrigerator Day #CleanOutYourRefrigeratorDay

November 16 – International Day for Tolerance #ToleranceDay

November 16 – National Entrepreneurs Day #EntrepreneursDay

November 17 – International Students Day #InternationalStudentsDay

November 19 – International Men’s Day #InternationalMensDay

November 19 – Women’s Entrepreneurship Day #WomensEntrepreneurshipDay

November 20 – International Childrens Day #ChildrensDay

November 21 – World Day of Remembrance for Road Traffic Victims #WDoR2021 #WDoR 

November 21 – World Hello Day #WorldHelloDay

November 25 – Thanksgiving Day #Thanksgiving

November 26 – Black Friday #BlackFriday #BlackFriday2021

November 26 – National Cake Day #NationalCakeDay

November 26 – National Native American Heritage Day #NAHertitage #NativeAmericanHeritageDay

November 27 – National Day of Listening #DayOfListening

November 27 – Small Business Saturday #SmallBusinessSaturday

November 29 – Cyber Monday #CyberMonday

November 30 – Computer Security Day #ComputerSecurityDay

November 30 – Giving Tuesday #GivingTuesday

December 2021

December 1 – World AIDS Day #WAD2020

December 3 – Persons with Disabilities Day #IDPWD

December 4 – National Cookie Day #NationalCookieDay

December 5 – World Soil Day #WorldSoilDay

December 7 – Cotton Candy Day #CottonCandyDay

December 8 – National Chocolate Brownie Day #NationalBrownieDay

December 10 – Human Rights Day #HumanRightsDay

December 10 – Nobel Prize Day #NobelPrize

December 11 – International Mountain Day #InternationalMountainDay

December 21 – Crossword Puzzle Day #CrosswordPuzzleDay

December 21 – First Day of Winter #WinterSolstice

December 25 – Christmas Day #Christmas

December 27 – No Interruptions Day #NoInterruptionsDay

December 28 – Card Playing Day #CardPlayingDay

December 31 – New Year’s Eve #NewYearsEve