Complete 2025 Hashtag Holidays Calendar – Improve & Plan Your Social Media Presence

Planning out your 2025 content and looking for the perfect hashtag holidays to use for your business each month? We got you!

You need to stay on top of your social media game these days to reach your audience and stay connected. But coming up with new content all the time can be hard. Hashtag holidays can be a fantastic way to come up with relevant topics to add to your content calendar!

What Are Hashtag Holidays?

Hashtag holidays are global, national holidays, or special themed days that you can post about and celebrate on social media — each with their own hashtag (hence the name hashtag holidays)! You probably know the big ones – Valentine’s Day, International Women’s Day, April Fools Day, etc.

But did you ever think to post on National Pizza Day? Yep, that’s a day and it’s on February 9th! It could be a great opportunity if you run a cooking blog and you have a delicious pizza recipe to share. There are unique days like this every month that you could work seamlessly into your social media calendar!

Why Would You Use Hashtag Holidays?

Using hashtag holidays is a great way to come up with new content! (Especially when you have a complete guide right here with our complete 2025 hashtag holiday calendar!) You can sprinkle in a special day here and there to keep your content fresh, relevant, and timely.

Plus, it will give you a creative break from having to come up with ALL of your social media topics from scratch. People love fun, special days, so it’s a great way to get a response from your audience as well!

How to Use Hashtag Holidays to Your Advantage

It’s important to keep in mind that you want the hashtag days that you pick to be relevant to your business. So National Pancake Day might not be a great choice if you’re a business focusing on ocean conservation, but if you run a birthday event company, it might be a great choice!

Hashtag holidays can be a great source of inspiration to create some new and cool content that will resonate with your customers. The best way to utilize them is by sprinkling a relevant hashtag holiday here and there to keep your audience interested and your content fun! You’ve probably seen other businesses post on major holidays, and now you know why! The best thing is that there is a day for practically everything, so you’re sure to find something relevant to your business.

Real-Life Examples of Hashtag Holidays

Do you need some real-life examples of how to incorporate hashtag holidays effortlessly into your social media content and strategy? Check out these examples below!

Big Blue & You is one of our amazing clients, and as a non-profit, their main goal is to educate and elevate today’s youth in ocean conservation. For them, we choose ocean-related holidays, such as National Whale Shark Day or World Water Day, every month to create relevant and timely posts. In addition to that, we also use other topics related to ocean conservation or the environment, like Plastic Free July, World Clean Up Day and World Reef Awareness Day. While going through all the different holiday possibilities, you can pick and choose those that are relevant to your business and use them to fit into your overall goal or mission.

For C3 Social, we love hashtag holidays and get creative to make them relevant to our business! Just take a look at this St. Patty’s Day post. While St. Patrick’s Day might not seem relevant to our business straight away, we tied it into C3 Social by using an essential and well-known part of the day – luck – in the caption. This not only allowed us to wish our followers a happy St. Patrick’s Day, but it also gave us a place to give them some valuable tips and see how they could use our services. 

For clients like Jennifer Borget from Movie Night Journal, who has created a journal by the same name where she recommends movies for family movie nights including activities, snacks, etc., we gather holidays that relate to movies – or movies that relate to holidays. Think of big holidays like Halloween and Valentine’s Day, but also really fun connections for this client, like this Grandparent’s Day post or Talk like a Pirate Day where we reference movies about each of those hashtag holidays!

Other clients like to stay traditional with their hashtag holidays, which is a great strategy too if that fits with your account! We help our client Joe Watson, two-time Stanley Cup champion, with his content, and he likes to share on the bigger holidays like Thanksgiving, Veterans Day and 4th of July. We also like to make sure to include posts that are relevant to him and his background, like British Columbia Day to celebrate his Canadian nationality, the Flyers Schedule for the start of hockey season or a fun tie-in to National Relaxation Day to promote his book! 

Researching relevant hashtag holidays is a big job, so we’ve done the groundwork for you by creating a list of the most popular and unique hashtags holidays for 2025. If you’re not sure how to go about turning these holidays into posts or simply don’t have the time, then we’re here for you! Let C3 Social take that off your plate so you can focus on your zone of genius. You can contact us any time for a free consultation and see how we can help you level up your social media!  

But first, let’s take a look at the most important – and some of our favorite – hashtag holidays coming up in 2025!

2025 Hashtag Holidays Calendar

January 2025 Hashtag Holidays

International Creativity Month #InternationalCreativityMonth

January 1: New Year’s Day #NewYearsDay 

January 1: National Hangover Day #NationalHangOverDay

January 1: Global Family Day #GlobalFamilyDay

January 2: Science Fiction Day #ScienceFictionDay

January 2: World Introvert Day #WorldIntrovertDay

January 4: National Trivia Day #NationalTriviaDay

January 4: World Braille Day #WorldBrailleDay

January 4: National Spaghetti Day #SpaghettiDay

January 6: National Technology Day #NationalTechnologyDay 

January 6: National Take Down the Christmas Tree Day #TakeDowntheChristmasTreeDay

January 7: National Bobble Head Day #NationalBobbleHeadDay

January 8: War on Poverty Day #WarOnPovertyDay 

January 9: National Law Enforcement Appreciation Day #LawEnforcementAppreciationDay

January 10: National Houseplant Appreciation Day #HouseplantAppreciationDay 

January 11: Human Trafficking Awareness Day #HumanTraffickingAwarenessDay 

January 11: International Thank-You Day #InternationalThankYouDay

January 12: National Pharmacist Day #NationalPharmacistDay

January 13: National Sticker Day #NationalStickerDay 

January 13: National Clean Off Your Desk Day #NationalCleanOffYourDeskDay

January 14: Organize Your Home Day #OrganizeYourHomeDay 

January 15: National Hat Day #NationalHatDay 

January 15: National Bagel Day #NationalBagelDay

January 16: International Hot and Spicy Food Day #HotAndSpicyFoodDay 

January 16: Get to Know Your Customers Day #GetToKnowYourCustomersDay 

January 17: Ditch New Year’s Resolution Day #DitchNewYearsResolutionsDay #DitchNewYearsResolutionDay

January 18: National Winnie The Pooh Day #WinnieThePoohDay 

January 18: Thesaurus Day #ThesaurusDay

January 19: National Popcorn Day #NationalPopcornDay

January 20: Martin Luther King Jr. Day #MLKDay

January 20: Blue Monday #BlueMonday 

January 20: Cheese Lovers Day #CheeseLoversDay 

January 21: National Hugging Day #NationalHuggingDay 

January 23: National Pie Day #PieDay 

January 23: National Handwriting Day #HandwritingDay

January 24: National Compliment Day #NationalComplimentDay 

January 24: International Day of Education #InternationalDayOfEducation 

January 25: Opposite Day #OppositeDay

January 25: National Irish Coffee Day #IrishCoffeeDay

January 26: Australia Day #AustraliaDay

January 27: Holocaust Memorial Day #HolocaustRemembranceDay

January 27: National Chocolate Cake Day #ChocolateCakeDay

January 28: Data Privacy Day #DataPrivacyDay

January 28: International Lego Day #LegoDay

January 29: Chinese New Year/Lunar New Year #LunarNewYear #ChineseNewYear

January 30: National Croissant Day #NationalCroissantDay

January 31: Backwards Day #BackwardsDay

January 31: Inspire Your Heart With Art Day #InspireYourHeartWithArtDay

February 2025 Hashtag Holidays

National Black History Month

National Heart Health Month

Ramadan: February 28th – March 29th

February 1: National Freedom Day #NationalFreedomDay

February 2: Groundhog Day #GroundhogDay

February 2: World Wetlands Day #WorldWetlandsDay

February 3: National Golden Retriever Day #GoldenRetrieverDay

February 4: World Cancer Day #WorldCancerDay

February 4: National Homemade Soup Day #HomemadeSoupDay

February 5: World Nutella Day #WorldNutellaDay

February 6: National Frozen Yogurt Day #FrozenYogurtDay

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

February 7: National Bubble Gum Day #BubbleGumDay

February 8: National Boy Scouts Day #BoyScoutsDay

February 9: Super Bowl #SuperBowl

February 9: National Pizza Day #NationalPizzaDay

February 11: Safer Internet Day #SaferInternetDay

February 11: Inventors Day #InventorsDay

February 11: International Day of Women and Girls in Science #WomenAndGirlsInScience

February 12: Darwin Day #DarwinDay

February 13: Digital Learning Day #DLDay

February 13: Self-Love Day #SelfLoveDay

February 13: Galentine’s Day #GalentinesDay

February 13: World Radio Day #WorldRadioDay

February 14: Valentine’s Day #ValentinesDay

February 17: Random Acts of Kindness Day #RandomActsOfKindnessDay

February 17: Presidents Day #PresidentsDay

February 18: National Drink Wine Day #NationalDrinkWineDay

February 19: National Chocolate Mint Day #ChocolateMintDay

February 20: World Day of Social Justice #SocialJusticeDay

February 20: Love Your Pet Day #LoveYourPetDay

February 22: National Margarita Day #NationalMargarita Day

February 22: World Thinking Day #WorldThinkingDay

February 26: National Pistachio Day #PistachioDay

February 27: International Polar Bear Day #InternationalPolarBearDay

February 27: National Pokémon Day #PokemonDay

February 28: International Stand Up to Bullying Day #StandUpToBullyingDay

February 28: National Skip The Straw Day #SkipTheStrawDay

February 28: National Pancake Day #NationalPancakeDay

March 2025 Hashtag Holidays

Women’s History Month 

Ramadan: February 28th – March 29th

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

March 1: World Compliment Day #WorldComplimentDay

March 1: Zero Discrimination Day #ZeroDiscriminationDay

March 2: National Read Across America Day #ReadAcrossAmerica

March 3: World Wildlife Day #WorldWildlifeDay

March 4: National Grammar Day #GrammarDay

March 4: Mardi Gras #MardiGras

March 5: Equal Pay Day #EqualPayDay

March 6: National Dentist’s Day #DentistsDay 

March 6: World Book Day #WorldBookDay

March 6: National Oreo Day #NationalOreoDay

March 7: National Day of Unplugging #DayOfUnplugging

March 7: National Employee Appreciation Day #EmployeeAppreciationDay 

March 7: National Cereal Day #NationalCerealDay

March 8: International Women’s Day #InternationalWomensDay #IWD2025

March 8: National Proofreading Day #NationalProofreadingDay

March 9: Barbie Day #BarbieDay

March 9: Daylight Savings #DaylightSavings

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

March 10: Mario Day #MarioDay

March 10: Harriet Tubman Day #HarrietTubmanDay

March 10: National Napping Day #NationalNappingDay

March 12: National Girl Scout Day #GirlScoutDay

March 12: National Plant a Flower Day #PlantaFlowerDay

March 13: Popcorn Lover’s Day #PopcornLoversDay

March 14: Potato Chip Day #NationalPotatoChipDay

March 14: Pi Day #PiDay

March 14: Holi #Holi

March 14: World Sleep Day #WorldSleepDay

March 14: International Day of Mathematics #IDM #InternationalDayofMathematics

March 15: World Consumer Rights Day #WorldConsumerRightsDay

March 16: National Freedom of Information Day #FreedomOfInformationDay

March 16: National Panda Day #NationalPandaDay

March 17: St. Patrick’s Day #StPatricksDay

March 18: Awkward Moments Day #NationalAwkwardMomentsDay

March 19: National Let’s Laugh Day #NationalLetsLaughDay

March 20: First Day of Spring #FirstDayofSpring

March 20: International Day of Happiness #InternationalDayofHappiness

March 20: World Oral Health Day #WorldOralHealthDay

March 20: World Storytelling Day #WorldStorytellingDay

March 21: Elimination of Racial Discrimination Day #RacialDiscriminationDay

March 21: World Poetry Day #WorldPoetryDay

March 21: National Single Parent Day #NationalSingleParentDay

March 22: World Water Day #WorldWaterDay #Water2me

March 22: Earth Hour Day #EarthHourDay

March 23: National Puppy Day #NationalPuppyDay

March 23: World Meteorological Day #WorldMeterologicalDay

March 24: National Cocktail Day #NationalCocktailDay

March 24: National Cheesesteak Day #NationalCheesesteakDay

March 25: Tolkien Reading Day #TolkienReadingDay

March 25: International Waffle Day #InternationalWaffleDay 

March 26: World Maths Day #MathsDay  

March 26: National Spinach Day #NationalSpinachDay

March 26: Purple Day #PurpleDay

March 26: Manatee Appreciation Day #ManateeAppreciationDay

March 27: World Theatre Day #WorldTheatreDay

March 29: National Vietnam War Veterans’ Day #VietnamWarVeteransDay

March 29: National Mom and Pop Business Owners Day #NationalMomAndPopBusinessOwnersDay

March 30: Doctor’s Day #NationalDoctorsDay

March 31: Transgender Day of Visibility #TDOV

March 31: National Taco Day #NationalTacoDayMexico

April 2025 Hashtag Holidays

April 1: April Fools Day #AprilFools

April 2: World Autism Awareness Day #WAAD

April 2: National Walking Day #NationalWalkingDay

April 3: Find a Rainbow Day #FindARainbowDay

April 4: Walk to Work Day #WalktoWorkDay

April 5: National DIY Day #DIYDay

April 5: National Caramel Day #NationalCaramelDay

April 6: National Carbonara Day #NationalCarbonaraDay

April 6: Tartan Day #TartanDay

April 7: World Health Day #LetsTalk

April 10: National Siblings Day #NationalSiblingsDay

April 10: Encourage a Young Writer Day #EncourageAYoungWriterDay

April 11: National Pet Day #NationalPetDay

April 12: International Day of Human Space Flight #HumanSpaceFlightDay

April 13: Songkran Festival #SongkranFestival

April 13: National Scrabble Day #ScrabbleDay

April 14: National Gardening Day #NationalGardeningDay

April 14: National Dolphin Day #NationalDolphinDay

April 15: World Art Day #WorldArtDay

April 15: National Tax Day #TaxDay 

April 16: Wear Your Pajamas to Work Day #PJDay

April 17: Haiku Poetry Day #HaikuPoetryDay

April 17: National Banana Day #NationalBananaDay

April 17: National High-Five Day #NH5D 

April 17: Get to Know Your Customers Day #GetToKnowYourCustomersDay

April 18: Good Friday #GoodFriday

April 19: Bicycle Day #BicycleDay

April 20: Easter Sunday #Easter

April 20: Volunteer Recognition Day #VolunteerRecognitionDay 

April 20: National Look-Alike Day #NationalLookAlikeDay

April 21: Patriot’s Day #PatriotsDay 

April 22: Earth Day #EarthDay2025 

April 23: National Picnic Day #NationalPicnicDay 

April 23: National Administrative Professionals Day #AdministrativeProfessionalsDay 

April 24: Take Our Daughters & Sons to Work Day #TODASTW # COUNTONME #TakeOurChildrenToWorkDay

April 25: World Malaria Day #EndMalariaForGood 

April 25: World Penguin Day #WorldPenguinDay 

April 25: Arbor Day #ArborDay

April 26: National No Makeup Day #NationalNoMakeupDay

April 26: National Pretzel Day #NationalPretzelDay

April 28: National Superhero Day #NationalSuperheroDay

April 29: International Dance Day #InternationalDanceDay

April 30: National Honesty Day #NationalHonestyDay

April 30: Denim Day #DenimDay

April 30: International Jazz Day #JazzDay

April 30: National Adopt a Shelter Pet Day #AdoptAShelterPetDay

  TeaMay 2025 Hashtag Holidays

Asian American and Pacific Islander Heritage Month

National Barbecue Month

May 1: International Workers Day #IntWorkersDay

May 1: May Day #MayDay

May 1: World Password Day #WorldPasswordDay

May 2: International Harry Potter Day #HarryPotterDay

May 2: Space Day #SpaceDay

May 3: World Press Freedom Day #WPFD2025

May 3: National Fitness Day #NationalFitnessDay

May 4 – 10: National Small Business Week #NationalSmallBusinessWeek

May 4: International Firefighters Day #InternationalFirefightersDay

May 4: Star Wars Day #StarWarsDay

May 4: World Laughter Day #WorldLaughterDay

May 5: Cinco de Mayo #CincoDeMayo

May 5: National Hoagie Day #NationalHoagieDay

May 5 – 9: Teacher Appreciation Week #TeacherAppreciation 

May 6: National Nurses Day #NursesDay

May 6: International No Diet Day #InternationalNoDietDay

May 6: World Asthma Day #WorldAsthmaDay

May 6: Thank a Teacher Day #ThankATeacher

May 9: Europe Day #EuropeDay 

May 9: Lost Sock Memorial Day #LostSockMemorialDay 

May 10: World Lupus Day #LupusDay

May 10: National Small Business Day #NationalSmallBusinessDay

May 11: Twilight Zone Day #TwilightZoneDay

May 11: Mother’s Day #MothersDay

May 12: International Nurses Day #InternationalNursesDay

May 14: National Receptionist Day #NationalReceptionistDay

May 15: International Day of Families #FamilyDay

May 15: National Chocolate Chip Day #ChocolateChipDay

May 16: Love a Tree Day #LoveATreeDay

May 16: National BBQ Day #NationalBBQDay

May 16: Endangered Species Day #EndangeredSpeciesDay

May 16: Pizza Party Day #PizzaPartyDay

May 16: Bike-to-Work Day #BikeToWorkDay

May 17: Day Against Homophobia & Transphobia #IDAHOT

May 18: International Museum Day #InternationalMuseumDay

May 20: National Rescue Dog Day #NationalRescueDogDay

May 20: World Bee Day #WorldBeeDay

May 21: International Tea Day #InternationalTeaDay

May 22: Sherlock Holmes Day #SherlockHolmesDay 

May 23: World Turtle Day #WorldTurtleDay

May 24: National Scavenger Hunt Day #NationalScavengerHuntDay

May 25: National Wine Day #NationalWineDay

May 26: Memorial Day #MemorialDay

May 27: Sunscreen Day #SunscreenDay

May 28: Hamburger Day #NationalHamburgerDay

May 28: National Flip Flop Day #NationalFlipFlopDay

May 29: Paperclip Day #PaperclipDay

May 30: National Creativity Day #NationalCreativityDay

May 30: World MS Day #WorldMSDay

May 30: Heat Awareness Day #NoFryDay 

May 31: National Smile Day #NationalSmileDay

May 31: World No-Tobacco Day #NoTobacco

June 2025 Hashtag Holidays

LGBTQIA+ Pride Month

June 1: National Say Something Nice Day #SaySomethingNice

June 1: World Reef Awareness Day #WorldReefAwarenessDay

June 1: International Children’s Day #InternationalChildrensDay

June 1: National Cancer Survivors Day #NCSD2025

June 2: Leave The Office Early Day #LeaveTheOfficeEarlyDay

June 3: World Bicycle Day #WorldBicycleDay

June 4: National Cheese Day #NationalCheeseDay

June 4: National Hug Your Cat Day #HugYourCatDay

June 5: World Environment Day #WorldEnvironmentDay

June 5: National Gingerbread Day #NationalGingerbreadDay

June 6: Higher Education Day #HigherEducationDay

June 6: National Donut Day #NationalDonutDay

June 7: National Chocolate Ice Cream Day #NationalChocolateIceCreamDay

June 8: Best Friends Day #BestFriendsDay 

June 8: World Oceans Day #WorldOceansDay

June 9: Donald Duck Day #DonaldDuckDay

June 10: National Iced Tea Day #NationalcedTeaDay

June 11: National Corn on the Cob Day #NationalCornOnTheCobDay

June 11: Make Life Beautiful Day #MakeLifeBeautiful

June 12 – 18: CNA (Certified Nursing Assistants) Week #CNAWeek #CertifiedNursingAssistantsWeek

June 12: National Career Nurse Assistants Day #NationalCareerNurseAssistantsDay

June 12: National Red Rose Day #NationalRedRoseDay

June 13: National Movie Night #NationalMovieNight

June 14: National Flag Day #FlagDay

June 14: World Blood Donor Day #GiveBlood

June 15: Father’s Day #FathersDay

June 17: National Eat Your Vegetables Day #NationalEatYourVegetablesDay

June 17: Nursing Assistants Day #NursingAssistantsDay

June 19: Juneteenth #Juneteenth

June 20: First Day of Summer #FirstDayOfSummer

June 20: World Refugee Day #WorldRefugeeDay

June 20: Take Your Dog to Work Day #TakeYourDogToWorkDay

June 21: National Selfie Day #NationalSelfieDay

June 21: World Music Day #WorldMusicDay

June 21: International Yoga Day #InternationalYogaDay

June 22: World Rainforest Day #WorldRainforestDay

June 23: National Hydration Day #NationalHydrationDay

June 26: National Beautician Day #NationalBeauticianDay

June 26: National Handshake Day #HandshakeDay

June 27: National Sunglasses Day #NationalSunglassesDay

June 27: National HIV Testing Day #NationalHIVTestingDay

June 27: National PTSD Awareness Day #NationalPTSDAwarenessDay

June 30: Social Media Day #SocialMediaDay

July 2025 Hashtag Holidays

Plastic Free July

National Ice Cream Month

July 1: National Postal Worker Day #NationalPostalWorkerDay

July 1: International Joke Day #TellAJoke

July 1: International Chicken Wing Day #ChickenWingDay

July 1: Canada Day #CanadaDay

July 2: World UFO Day #WorldUFODay

July 3: International Plastic Bag Free Day #PlasticBagFreeDay

July 4: Independence Day #July4th

July 5: National Workaholics Day #NationalWorkaholicsDay

July 5: National Bikini Day #NationalBikiniDay

July 6: National Fried Chicken Day #NationalFriedChickenDay

July 7: World Chocolate Day #WorldChocolateDay

July 8: National Video Game Day #NationalVideoGameDay

July 9: National Sugar Cookie Day #SugarCookieDay

July 10: National Piña Colada Day #NationalPiñaColadaDay

July 11: Cheer Up the Lonely Day #CheerUpTheLonelyDay

July 11: National French Fry Day #NationalFrenchFryDay

July 12: Malala Day #MalalaDay

July 12: National Simplicity Day #NationalSimplicityDay

July 13: National French Fries Day #FrenchFriesDay

July 14: Shark Awareness Day #SharkAwarenessDay

July 15: Give Something Away Day #GiveSomethingAwayDay

July 15: National Clean Beauty Day #CleanBeautyDay

July 16: National Hot Dog Day #NationalHotDogDay

July 17: World Emoji Day #WorldEmojiDay

July 17: National Tattoo Day #TattooDay

July 17: Get to Know Your Customers Day #GetToKnowYourCustomersDay

July 18: World Listening Day #WorldListeningDay

July 18: Nelson Mandela International Day #MandelaDay

July 20: National Moon Day #MoonDay 

July 20: National Ice Cream Day #NationalIceCreamDay

July 21: National Junk Food Day #NationalJunkFoodDay

July 22: National Hammock Day #NationalHammockDay

July 24: National Tequila Day #NationalTequilaDay

July 25: National Wine and Cheese Day #WineAndCheeseDay

July 29: National Lipstick Day #NationalLipstickDay

July 29: National Lasagna Day #NationalLasagnaDay

July 30: International Day of Friendship #DayOfFriendship

July 30: National Cheesecake Day #CheesecakeDay

July 31: Harry Potter’s Birthday #HarryPottersBirthday

August 2025 Hashtag Holidays

Black Business Month

August 1: World Wide Web Day #WorldWideWebDay 

August 2: National Coloring Book Day #NationalColoringBookDay

August 2: National Ice Cream Sandwich Day #NationalIceCreamSandwichDay

August 3: National Watermelon Day #NationalWatermelonDay

August 3: American Family Day #AmericanFamilyDay

August 3: Friendship Day #FriendshipDay

August 3: National Sister Day #NationalSisterDay

August 4: Chocolate Chip Cookie Day #ChocolateChipCookieDay

August 4: British Columbia Day #BritishColumbiaDay

August 7: Professional Speakers Day #ProfessionalSpeakersDay

August 8: International Cat Day #InternationalCatDay

August 9: National Book Lovers Day #NationalBookLoversDay

August 10: National Lazy Day #NationalLazyDay #LazyDay

August 11: National Sons and Daughters Day #SonsAndDaughtersDay

August 12: International Youth Day #YouthDay

August 12: World Elephant Day #WorldElephantDay

August 13: International Lefthanders Day #LefthandersDay

August 14: National Financial Awareness Day #FinancialAwarenessDay

August 15: National Relaxation Day #NationalRelaxationDay 

August 16: National Tell a Joke Day #NationalTellAJokeDay 

August 17: National Nonprofit Day #NationalNonprofitDay 

August 18: Bad Poetry Day #BadPoetryDay

August 19: World Photography Day #WorldPhotographyDay 

August 19: World Humanitarian Day #WorldHumanitarianDay 

August 20: National Lemonade Day #NationalLemonadeDay 

August 21: Senior Citizens Day #SeniorCitizensDay 

August 22: National Tooth Fairy Day #ToothFairyDay

August 24: National Waffle Day #NationalWaffleDay

August 26: National Dog Day #NationalDogDay 

August 26: National Women’s Equality Day #WomensEqualityDay 

August 27: World Rock Paper Scissors Day #RockPaperScissors

August 30: Frankenstein Day (Mary Shelley’s birthday) #FrankensteinDay

August 30: International Whale Shark Day #InternationalWhaleSharkDay

August 30: National Grief Awareness Day #NationalGriefAwarenessDay

August 31: National Eat Outside Day #NationalEatOutsideDay

September 2025 Hashtag Holidays

National Suicide Prevention Awareness Month

World Alzheimer’s Disease Month

Liptember (for Women’s Mental Health)

September 15-October 15: National Hispanic Heritage Month

September 1: Labor Day #LaborDay

September 1: World Letter Writing Day #WorldLetterWritingDay

September 2: World Coconut Day #WorldCoconutDay

September 2: National Bacon Day #NationalBaconDay

September 4: National Wildlife Day #NationalWildlifeDay

September 5: International Day of Charity #CharityDay

September 5: National Cheese Pizza Day #NationalCheesePizzaDay

September 5: Be Late for Something Day #BeLateForSomethingDay

September 5: National Food Bank Day #NationalFoodBankDay

September 6: Read a Book Day #ReadABookDay

September 7: National Beer Lovers Day #NationalBeerLoversDay

September 7: National Grateful Patient Day #NationalGratefulPatientDay

September 7: National Grandparents Day #NationalGrandparentsDay

September 8: World Physical Therapy Day #WorldPhysicalTherapyDay

September 8: International Literacy Day #LiteracyDay

September 9: National Teddy Bear Day #TeddyBearDay

September 10: World Suicide Prevention Day #SuicidePreventionDay

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

September 12: National Video Games Day #NationalVideoGamesDay

September 12: National Day of Encouragement #DayOfEncouragement

September 12: Stand Up To Cancer Day #KissCancerGoodbye

September 14: Live Creative Day #NationalLiveCreative Day #LiveCreativeDay

September 15: Online Learning Day #OnlineLearningDay

September 15: Greenpeace Day #GreenpeaceDay

September 16: National Guacamole Day #NationalGuacamoleDay

September 18: International Equal Pay Day #EqualPayDay

September 19: Talk Like a Pirate Day #TalkLikeAPirateDay

September 20: World CleanUp Day #WorldCleanUpDay

September 20: National Dance Day #NationalDanceDay

September 21: International Day of Peace #PeaceDay

September 21: Miniature Golf Day #MiniGolfDay

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

September 22: Car-Free Day #CarFreeDay

September 22: American Business Women’s Day #AmericanBusinessWomensDay

September 22: Hobbit Day #HobbitDay

September 22: National Family Day #NationalFamilyDay

September 22: First Day of Fall #1stDayOfFall

September 24: National Women’s Health and Fitness Day #FitnessDay

September 26: European Day of Languages #EDL2025

September 26: National Love Your Body Day #LoveYourBodyDay

September 27: World Tourism Day #WTD2025

September 27: National Singles Day #NationalSinglesDay

September 28: World Rabies Day #WorldRabiesDay

September 28: National Good Neighbor Day #GoodNeighborDay

September 29: National Coffee Day #NationalCoffeeDay

September 30: International Podcast Day #InternationalPodcastDay

September 30: National Love People Day #NationalLOVEPeopleDAY

October 2025 Hashtag Holidays

Breast Cancer Awareness Month

Domestic Violence Awareness Month

Global Diversity Awareness Month

October 1: World Vegetarian Day #WorldVegetarianDay

October 1: International Coffee Day #InternationalCoffeeDay

October 1: International Day of Older Persons #UNDOP

October 1: International Music Day #InternationalMusicDay

October 1: National Hair Day #NationalHairDay

October 2: Day of Nonviolence #InternationalDayOfNonviolence

October 3: National Techies Day #TechiesDay

October 3: Mean Girls Day #MeanGirlsDay

October 3: World Smile Day #WorldSmileDay 

October 3: National Boyfriend Day #NationalBoyfriendDay

October 4: World Animal Day #WorldAnimalDay

October 4: National Vodka Day #NationalVodkaDay

October 5: World Teachers Day #WorldTeachersDay

October 5: National Do Something Nice Day #DoSomethingNiceDay

October 6: World Habitat Day #WorldHabitatDay

October 6: National Noodle Day #NationalNoodleDay

October 7: National Taco Day #NationalTacoDay

October 7: National LED Light Day #NationalLEDLightDay

October 8: World Octopus Day #WorldOctopusDay 

October 9: World Sight Day #WorldSightDay

October 10: World Mental Health Day #WorldMentalHeathDay

October 11: International Day of the Girl #DayOfTheGirl

October 11: National Coming Out Day #NationalComingOutDay

October 13: National Train Your Brain Day #TrainYourBrainDay

October 13: Indigenous Peoples’ Day #IndigenousPeoplesDay

October 14: National Dessert Day #DessertDay

October 15: Global Handwashing Day #GlobalHandwashingDay

October 16: National Boss’s Day #NationalBossDay #BossDay

October 16: World Food Day #FoodDay

October 16: Get to Know Your Customers Day #GetToKnowYourCustomersDay

October 17: Eradication of Poverty Day #EndPoverty

October 17: National Clean Your Virtual Desktop Day #CleanYourVirtualDesktopDay

October 17: National Pasta Day #NationalPastaDay

October 20: Diwali #Diwali

October 21: Reptile Awareness Day #ReptileAwarenessDay

October 24: United Nations Day #UNDay

October 25: Greasy Foods Day #GreasyFoodsDay

October 25: World Pasta Day #WorldPastaDay

October 26: Daylight Saving Time Ends #DaylightSavings

October 26: National Pumpkin Day #NationalPumpkinDay

October 28: National Chocolate Day #NationalChocolateDay

October 29: National Cat Day #NationalCatDay

October 30: National Candy Corn Day #CandyCornDay

October 30: National Publicist Day #NationalPublicist

October 30: Checklist Day #ChecklistDay

October 31: Halloween #Halloween

November 2025 Hashtag Holidays

Native American Heritage Month

Men’s Mental Health Awareness Month – Movember #Movember

National Home Care and Hospice Month

November 1: World Vegan Day #WorldVeganDay

November 1: Movember Begins #Movember

November 1: National Author’s Day #NationalAuthorsDay

November 1: Day of the Dead aka Dia de los Muertos (Mexico) #DayoftheDead #diadelosmuertos

November 3: National Sandwich Day #NationalSandwichDay

November 4: National Candy Day #NationalCandyDay

November 5: International Stress Awareness Day #StressAwarenessDay

November 6: National Nachos Day #NationalNachosDay

November 8: National Cappuccino Day #CappuccinoDay

November 8: STEM Day #STEMDay

November 9: Go to an Art Museum Day #ArtMuseums

November 10: Marine Corps Birthday #MarineCorpsBirthday

November 11: Veterans Day #VeteransDay

November 11: Singles’ Day #SinglesDay

November 13: World Kindness Day #WKD #WorldKindnessDay

November 14: World Diabetes Day #WDD

November 15: America Recycles Day #BeRecycled

November 15: Clean Out Your Refrigerator Day #CleanOutYourRefrigeratorDay

November 16: International Day for Tolerance #ToleranceDay

November 16: World Day of Remembrance for Road Traffic Victims #WDoR2025 #WDoR 

November 17: International Students Day #InternationalStudentsDay

November 18: National Entrepreneurs Day #EntrepreneursDay

November 19: International Men’s Day #InternationalMensDay

November 19: Women’s Entrepreneurship Day #WomensEntrepreneurshipDay

November 20: Universal Children’s Day #UNChildrensDay 

November 21: World Hello Day #WorldHelloDay

November 21: World Television Day #WorldTelevisionDay

November 22: Love Your Freckles Day #LoveYourFrecklesDay

November 26: National Cake Day #NationalCakeDay

November 27: Thanksgiving Day #Thanksgiving

November 28: National Native American Heritage Day #NAHertitage #NativeAmericanHeritageDay

November 28: Black Friday #BlackFriday #BlackFriday2025

November 28: National Day of Listening #DayOfListening

November 29: Small Business Saturday #SmallBusinessSaturday

November 30: Computer Security Day #ComputerSecurityDay

December 2025 Hashtag Holidays

HIV/AIDS Awareness Month

Hannukah: December 14 – 22

December 1: World AIDS Day #WAD2025

December 1: Cyber Monday #CyberMonday

December 2: Giving Tuesday #GivingTuesday

December 3: International Day of Persons with Disabilities Day #IDPWD

December 4: National Cookie Day #NationalCookieDay

December 5: World Soil Day #WorldSoilDay

December 5: International Volunteer Day #InternationalVolunteerDay

December 6: National Bartender Day #NationalBartenderDay

December 8: Pretend to Be a Time Traveler Day #PretendToBeATimeTravelerDay 

December 8: National Brownie Day #NationalBrownieDay

December 10: Nobel Prize Day #NobelPrize 

December 10: Human Rights Day #HumanRightsDay 

December 11: International Mountain Day #InternationalMountainDay 

December 12: Gingerbread House Day #GingerbreadHouseDay

December 13: National Cocoa Day #NationalCocoaDay

December 15: National Cupcake Day #NationalCupcakeDay

December 19: Ugly Sweater Day #UglySweaterDay

December 21: Crossword Puzzle Day #CrosswordPuzzleDay 

December 21: First Day of Winter #WinterSolstice 

December 23: Festivus #Festivus

December 24: Christmas Eve #ChristmasEve 

December 25: Christmas Day #Christmas 

December 26: Boxing Day #BoxingDay 

December 28: Call a Friend Day #CallAFriendDay 

December 31: No Interruptions Day #NoInterruptionsDay

December 31: New Year’s Eve #NewYearsEve

Come back whenever you’re creating your social media posts for the month and find some relevant hashtag holidays!

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