Want to make May holidays magnetize your minions?
Oops, got a bit carried away there. I meant followers, friends, and students.
But that’s because holidays are fun! Your audience will adore them.
Here are 500 special days and observances, each with a hashtag to share on social media, to engage your followers and increase your influence.
I’ve also included historical observances and U.N. remembrance days that provide opportunities to educate.
Find month-long, multi-day, and daily May holidays, including religious and national days.
All the observances you could ever need!
Get ready for a flowering of fun…
How to Use May Hashtag Holidays
Wondering how hashtag holidays fit in your social media strategy?
Your audience loves to interact with and share entertaining posts – not just see your business promotions. You need to mix up your social media content types if you want to retain and grow your followers.
Start by setting a social media strategy for the month with these May marketing ideas. Then use the special days listed below to inspire engaging content.
Be sure to copy and paste the appropriate holiday hashtag on Instagram and Twitter to increase your reach.
Need hashtag help? Learn more about how to use hashtags on social media.
Month of May 2025 Holidays and Observances
An amazing 101 month-long holidays for May! Find one relevant to your business or cause and plan a campaign.
May’s birthstone is emerald.
May birth flowers are lily of the valley and hawthorn.
May fruit of the month is mango and vegetable of the month is asparagus.
ALS Awareness Month #ALSAwarenessMonth
American Cheese Month #AmericanCheeseMonth
American Wetlands Month #AmericanWetlandsMonth
Apraxia Awareness Month #ApraxiaAwarenessMonth
Asian/Pacific American Heritage Month #AsianPacificAmericanHeritageMonth
Asthma Awareness Month #AsthmaAwarenessMonth
Be Kind to Animals Month #BeKindToAnimalsMonth
Better Sleep Month #BetterSleepMonth
Better Speech and Hearing Month #BetterHearingSpeechMonth
Bladder Cancer Awareness Month #BladderCancerAwarenessMonth
Borderline Personality Disorder Awareness Month #BPDAwarenessMonth
Brain Cancer Awareness Month #BrainCancerAwarenessMonth
Breathe Easy Month #BreatheEasyMonth
Building Safety Month #BuildingSafetyMonth
Celiac Awareness Month #CeliacAwarenessMonth
Clap 4 Health Month #Clap4HealthMonth
Correct Posture Month #CorrectPostureMonth
Creative Beginnings Month #CreativeBeginningsMonth
These creativity quotes may inspire a campaign!
Date Your Mate Month #DateYourMateMonth
Deck Safety Month #DeckSafetyMonth
Ehlers-Danlos Awareness Month #EDSAwarenessMonth
Family Wellness Month #FamilyWellnessMonth
Fibromyalgia Awareness Month #FibromyalgiaAwarenessMonth
Food Allergy Awareness Month #FoodAllergyAwarenessMonth
Freedom Shrine Month #FreedomShrineMonth
Garden for Wildlife Month #GardenForWildlifeMonth
Check out these love for nature quotes to get content inspiration.
Get Caught Reading Month #GetCaughtReadingMonth
Gifts From the Garden Month #GiftsFromTheGardenMonth
Global Civility Awareness Month #GlobalCivilityAwarenessMonth
Global Employee Health and Fitness Month #GlobalEmployeeHealthAndFitnessMonth
Global Youth Traffic Safety Month #GlobalYouthTrafficSafetyMonth
Haitian Heritage Month #HaitianHeritageMonth
Heal the Children Month #HealTheChildrenMonth
Healthy Vision Month #HealthyVisionMonth
Hepatitis Awareness Month #HepatitisAwarenessMonth
Homeschooling Awareness Month #HomeschoolingAwarenessMonth
Huntington’s Disease Awareness Month #HuntingtonsDiseaseAwarenessMonth
International Drum Month #InternationalDrumMonth
International Internal Audit Awareness Month #InternalAuditAwarenessMonth
International Mediterranean Diet Month #InternationalMediterraneanDietMonth
International Respect for Chickens Month #InternationalRespectForChickensMonth
International Victorious Woman Month #VictoriousWomanMonth
Jewish-American Heritage Month #JewishAmericanHeritageMonth
Labor History Month #LaborHistoryMonth
Latino Books Month #LatinoBooksMonth
Lupus Awareness Month #LupusAwarenessMonth
Lyme Disease Awareness Month #LymeDiseaseAwarenessMonth
Mental Health Awareness Month #MentalHealthAwarenessMonth
MCS Awareness Month #MCSAwarenessMonth
Motorcycle Safety Awareness Month #MotorcycleSafetyAwarenessMonth
Mystery Month #MysteryMonth
National Arthritis Awareness Month #NationalArthritisAwarenessMonth
National Asparagus Month #NationalAsparagusMonth
National Asthma and Allergy Awareness Month #NationalAsthmaAndAllergyAwarenessMonth
National Barbecue Month #NationalBarbecueMonth
National Bike Month #NationalBikeMonth
National Chamber Music Month #NationalChamberMusicMonth
National Chip Your Pet Month #NationalChipYourPetMonth
National Cystic Fibrosis Awareness Month #CysticFibrosisAwarenessMonth
National Date Your Mate Month #NationalDateYourMateMonth
National Egg Month #NationalEggMonth
National Electrical Safety Month #NationalElectricalSafetyMonth
National Family Wellness Month #NationalFamilyWellnessMonth
National Foster Care Month #NationalFosterCareMonth
National Hamburger Month #NationalHamburgerMonth
National High Blood Pressure Education Month #NationalHighBloodPressureEducationMonth
National Inventors Month #NationalInventorsMonth
National Meditation Month #NationalMeditationMonth
National Military Appreciation Month #NationalMilitaryAppreciationMonth
National Moving Month #NationalMovingMonth
National Osteoporosis Month #NationalOsteoporosisMonth
National Pet Month #NationalPetMonth
National Photography Month #NationalPhotographyMonth
National Physical Fitness and Sports Month #NationalPhysicalFitnessAndSportsMonth
National Read to Your Baby Bump Month #NationalReadToYourBabyBumpMonth
National Recommitment Month #NationalRecommitmentMonth
National Salad Month #NationalSaladMonth
National Salsa Month #NationalSalsaMonth
National Strawberry Month #NationalStrawberryMonth
National Stroke Awareness Month #NationalStrokeAwarenessMonth
National Teen Self-Esteem Month #TeenSelfEsteemMonth
Here are some great self-love quotes you could make into social media graphics.
National Vinegar Month #NationalVinegarMonth
National Water Safety Month #NationalWaterSafetyMonth
National Youth Traffic Safety Month #YouthTrafficSafetyMonth
NF (Neurofibromatosis) Awareness Month #NFAwarenessMonth
Older Americans Month #OlderAmericansMonth
Play Tennis Month #PlayTennisMonth
Posture Month #PostureMonth
Prader-Willi Syndrome Awareness Month #PWSAwarenessMonth
Preeclampsia Awareness Month #PreeclampsiaAwarenessMonth
Preservation Month #PreservationMonth
Save Your Tooth Month #SaveYourToothMonth
Skin Cancer Awareness Month #SkinCancerAwarenessMonth
Small Business Month #SmallBusinessMonth
Spiritual Literacy Month #SpiritualLiteracyMonth
Strike Out Strokes Month #StrikeOutStrokesMonth
Syringomyelia Awareness Month #SyringomyeliaAwarenessMonth
UV (Ultraviolet) Awareness Month #UVAwarenessMonth
Wildfire Awareness Month #WildfireAwarenessMonth
Women’s Health Month #WomensHealthMonth
May Multi-day Holidays and Observances
Jump to May 2025 daily holidays.
Multi-day holidays usually change dates from year to year, and are slow to confirm dates. Many are unconfirmed at time of publication.
I’ve placed these roughly in the order they appear through May. Find one or two that are a good fit for your business, and research exact dates closer in.
Go Diaper Free Week #GoDiaperFreeWeek
Observed for 7 days starting the last Sunday in April.
Preservation Week #PreservationWeek
Stewardship Week #StewardshipWeek
Air Quality Awareness Week #AirQualityAwarenessWeek
National Auctioneers Week #NationalAuctioneersWeek
Observed the week ending with National Auctioneers Day.
Children’s Book Week #ChildrensBookWeek
Screen-Free Week #ScreenFreeWeek
Sun Awareness Week #SunAwarenessWeek
National Nurses Week #NationalNursesWeek
Observed annually for 7 days starting on May 6th.
The holidays below are observed the first full week of May. Confirm dates before planning a campaign.
Be Kind To Animals Week #BeKindToAnimalsWeek
Children’s Mental Health Awareness Week #ChildrensMentalHealthAwarenessWeek
Drinking Water Week #DrinkingWaterWeek
National Correctional Officers Week #NationalCorrectionalOfficersWeek
National Hospital Week #NationalHospitalWeek
National Pet Week #NationalPetWeek
National Travel and Tourism Week #NationalTravelAndTourismWeek
North American Occupational Safety & Health Week #NorthAmericanOccupationalSafetyAndHealthWeek
Public Service Recognition Week #PSRW
Economic Development Week (CO) #EDW2025
Teacher Appreciation Week #TeacherAppreciationWeek
Observed for 5 days starting Monday of the first full week in May.
National Stuttering Awareness Week #NationalStutteringAwarenessWeek
National Salvation Army Week #NSAW
National Public Gardens Week #NationalPublicGardensWeek
Begins on the Friday before Mother’s Day.
These short flower quotes are ideal for adding to your photos.
Food Allergy Awareness Week #FoodAllergyAwarenessWeek
Observed the second full week of May.
National Women’s Health Week #NationalWomensHealthWeek
Observed the week starting with Mother’s Day.
National Police Week #NationalPoliceWeek
Healthcare Documentation Integrity Week #HDIweek
International Heritage Breeds Week #InternationalHeritageBreedsWeek
National Eosinophil Awareness Week #NEAW
American Craft Beer Week #AmericanCraftBeerWeek
Observed for 7 days starting the Monday before May 18th.
International Coaching Week #International Coaching Week
National Safe Boating Week #NationalSafeBoatingWeek
Observed for 7 days ending the Friday before Memorial Day.
National EMS Week #EMSweek
National Public Works Week #NationalPublicWorksWeek
Healthy and Safe Swimming Week #HealthySwimming
Last week of May.
National BBQ Week (UK) #NatBBQWeek
Observed for 7 days starting the last Monday in May.
May 1 Holidays and Observances 2025
May Day is here! Along with many more holidays to celebrate on the first of May.
Holidays marked * change dates from year to year. Note that some of the graphics included in this article may have been made for a previous year. Be sure to use the dates in the text for accuracy 🙂
Call in Sick Day #CallInSickDay
Couple Appreciation Day #CoupleAppreciationDay
Executive Coaching Day #ExecutiveCoachingDay
Frequent Flyer Day #FrequentFlyerDay
Global Love Day #GlobalLoveDay
International Workers Day #InternationalWorkersDay
Keep Kids Alive Drive 25 Day #KeepKidsAliveDrive25
Law Day #LawDay
Lei Day #LeiDay
May Day #MayDayNational Chocolate Parfait Day #ChocolateParfaitDay
National Loyalty Day #NationalLoyaltyDay
National Mother Goose Day #NationalMotherGooseDay
National Purebred Dog Day #NationalPurebredDogDay
New Homeowners Day #NewHomeownersDay
Save the Rhino Day #SaveTheRhinoDay
School Principals’ Day #SchoolPrincipalsDay
Silver Star Service Banner Day #SilverStarService
Therapeutic Massage Awareness Day #TherapeuticMassageAwarenessDay
Worthy Wage Day #WorthyWageDay
*Holidays below are observed the first Thursday in May.
National Day of Prayer* #NationalDayOfPrayer
National Day of Reason* #NationalDayOfReason
World Password Day* #WorldPasswordDay
May 2 Holidays and Observances 2025
Brothers and Sisters Day #BrothersAndSistersDay
International Harry Potter Day #InternationalHarryPotterDay
International Scurvy Awareness Day #InternationalScurvyAwarenessDay
National Fire Day #NationalFireDay
National Life Insurance Day #LifeInsuranceDay
National Play Your Ukulele Day #NationalPlayYourUkuleleDay
National Truffle Day #NationalTruffleDay
World Tuna Day #WorldTunaDay
*Holidays below are observed the first Friday in May.
International Tuba Day* #InternationalTubaDay
National Space Day* #NationalSpaceDay
No Pants Day* #NoPantsDay
School Lunch Hero Day* #SchoolLunchHeroDay
May 3 Holidays and Observances 2025
National Chocolate Custard Day #ChocolateCustardDay
National Foster Care Day #FosterCareBlue
National Garden Meditation Day #GardenMeditationDay
National Lumpy Rug Day #NationalLumpyRugDay
National Paranormal Day #NationalParanormalDay
National Raspberry Popover Day #RaspberryPopoverDay
National SAN Architect Day #SANArchitectDay
National Specially-abled Pets Day #SpeciallyAbledPetsDay
National Textiles Day #NationalTextilesDay
National Two Different Colored Shoes Day #TwoDifferentColoredShoesDay
Paranormal Day #ParanormalDay
Public Radio Day #PublicRadioDay
Sun Day (for solar power) #SunDaySolar
Wordsmith Day #WordsmithDay
World Press Freedom Day #WorldPressFreedomDay
*Holidays below are observed the first Saturday in May. It’s a busy day!
Beer Pong Day* #BeerPongDay
Bladder Cancer Awareness Day* #BladderCancerAwareness
Free Comic Book Day* #FreeComicBookDay
Herbday* #Herbday
International Drone Day* #InternationalDroneDay
Join Hands Day* #JoinHandsDay
Kentucky Derby* #KentuckyDerby
National Auctioneers Day* #NationalAuctioneersDay
National Fitness Day* #NationalFitnessDay
National Homebrew Day* #NationalHomebrewDay
National Provider Appreciation Day* #ProviderAppreciationDay
National Scrapbooking Day* #NationalScrapbookingDay
National Start Seeing Monarchs Day* #StartSeeingMararchsDay
Pediatric Stroke Awareness Day* #PediatricStrokeAwareness
Pilates Day* #PilatesDay
Wildfire Community Preparedness Day* #WildfireCommunityPreparednessDay
World Labyrinth Day* #WorldLabyrinthDay
May 4 Holidays and Observances 2025
Anti-Bullying Day #AntiBullyingDay
Bird Day #BirdDay
International Firefighters Day #InternationalFirefightersDay
International Respect for Chickens Day #InternationalRespectForChickensDay
National Candied Orange Peel Day #CandiedOrangePeelDay
National Kids Fitness Day #NationalKidsFitnessDay
National Orange Juice Day #NationalOrangeJuiceDay
National Renewal Day #NationalRenewalDay
National Skilled Trades Day #NationalSkilledTradesDay
National Weather Observers Day #NationalWeatherObserversDay
Petite and Proud Day #PetiteAndProudDay
Star Wars Day #NationalStarWarsDay
World Give Day #WorldGiveDay
*Holidays below are observed the first Sunday in May.
International Bereaved Mother’s Day* #InternationalBereavedMothersDay
International Permaculture Day* #InternationalPermacultureDay
Lemonade Day* #LemonadeDay
Mayday for Mutts* #MaydayForMutts
Motorcycle Mass and Blessing of the Bikes Day* #MotorcycleMassAndBlessingOfTheBikesDay
National Infertility Survival Day* #InfertilitySurvivalDay
Various dates come up for this one. Some sources say May 1 yearly.
World Laughter Day* #WorldLaughterDay
Add to the laughter with these funny Mark Twain quotes.
May 5 Holidays and Observances 2025
Cinco de Mayo #CincoDeMayo
International Midwives Day #InternationalMidwivesDay
Museum Lovers Day #MuseumLoversDay
National Astronaut Day #NationalAstronautDay
National Cartoonists Day #NationalCartoonistsDay
National Hoagie Day #NationalHoagieDay
National Silence the Shame Day #SilenceTheShame
Oyster Day #OysterDay
Revenge of the Fifth #RevengeOfTheFifth
Totally Chipotle Day #TotallyChipotleDay
Melanoma Monday* #MelanomaMonday
Observed the first Monday in May.
Great Lakes Awareness Day* #GreatLakesAwarenessDay
*Observed Monday of the first full week in May.
National Meeting Planners Appreciation Day* #NationalMeetingPlannersAppreciationDay
*Observed Monday of the first full week in May.
May 6 Holidays and Observances 2025
International No Diet Day #NoDietDay
National Beverage Day #NationalBeverageDay
National Crepe Suzette Day #CrepeSuzetteDay
National Nurses Day #NationalNursesDay
National Tourist Appreciation Day #TouristAppreciationDay
No Homework Day #NoHomeworkDay
*Holidays below are observed the first Tuesday in May.
National Concert Day* #NationalConcertDay
Poem on Your Pillow Day* #PoemOnYourPillowDay
World Asthma Day* #WorldAsthmaDay
Childhood Depression Awareness Day* #ChildhoodDepressionAwarenessDay
*Observed Tuesday of the first full week in May.
National Teacher Appreciation Day* #TeacherAppreciationDay
*Observed Tuesday of Teacher Appreciation Week.
May 7 Holidays and Observances 2025
National Barrier Awareness Day #BarrierAwarenessDay
National Cosmopolitan Day #NationalCosmopolitanDay
National Packaging Design Day #PackagingDesignDay
National Paste-Up Day #PasteUpDay
National Roast Leg of Lamb Day #RoastLegofLamb
National Tourism Day #TourismDay
Great American Grump Out* #GreatAmericanGrumpOut
*Observed the first Wednesday in May.
*Observed Wednesday of the first full week in May.
Bike to School Day* #BikeToSchoolDay
Occupational Safety and Health Professional Day* #OccupationalSafetyAndHealthProfessionalDay
National School Nurse Day* #NationalSchoolNurseDay
*Observed on the Wednesday of National Nurses Week, May 6–12.
May 8 Holidays and Observances 2025
Free Trade Day #FreeTradeDay
Iris Day #IrisDay
National Coconut Cream Pie Day #CoconutCreamPieDay
National Give Someone a Cupcake Day #NationalGiveSomeoneACupcakeDay
National Have A Coke Day #NationalHaveACokeDay
National Student Nurse Day #NationalStudentNurseDay
No Socks Day #NoSocksDay
Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War #TimeOfRemembranceAndReconciliationForThoseWhoLostTheirLivesDuringTheSecondWorldWar
Victory in Europe Day #VEDay
World Ovarian Cancer Day #WorldOvarianCancerDay
World Red Cross and Red Crescent Day #WorldRedCrossAndRedCrescentDay
Make-A-Book Day* #MakeABookDay
*Observed the Thursday of National Family Reading Week.
National Children’s Mental Health Awareness Day* #ChildrensMentalHealthAwarenessDay
*Observed Thursday of the first full week in May.
May 9 Holidays and Observances 2025
Hurray for Buttons Day #HurrayForButtonsDay
National Butterscotch Brownie Day #ButterscotchBrownieDay
National Lost Sock Memorial Day #LostSockMemorialDay
National Moscato Day #MoscatoDay
National Sleepover Day #NationalSleepoverDay
Fintastic Friday: Giving Sharks Voice* #FintasticFridayGivingSharksAVoice
*Observed the second Friday in May.
*Observed the Friday before Mother’s Day.
National Military Spouse Appreciation Day* #MilitarySpouseAppreciationDay
National Public Gardens Day* #NationalPublicGardensDay
Make pretty posts with these rose quotes.
Provider Appreciation Day* #ProviderAppreciationDay
May 10 Holidays and Observances 2025
National Clean Up Your Room Day #CleanUpYourRoomDay
National Lipid Day #NationalLipidDay
National Shrimp Day #NationalShrimpDay
National Small Business Day #NationalSmallBusinessDay
National Washington Day (state) #NationalWashingtonDay
Trust Your Intuition Day #TrustYourIntuitionDay
World Lupus Day #WorldLupusDay
*Observed the second Saturday in May.
Cornelia De Lange Syndrome Awareness Day* #CorneliaDeLangeSyndromeAwarenessDay
National Animal Disaster Preparedness Day* #NationalAnimalDisasterPreparednessDay
National Archery Day* #NationalArcherySchoolsProgram
National Miniature Golf Day* #NationalMiniGolfDay
National Train Day* #NationalTrainDay
Stamp Out Hunger Food Drive Day* #StampOutHungerFoodDrive
Stay Up All Night Night* #StayUpAllNightNight
Sun Awareness Day* #SunAwarenessDay
Windmill Day* #WindmillDay
World Belly Dance Day* #WorldBellyDanceDay
World Buckfast Day* #WorldBuckfastDay
World Fair Trade Day* #WorldFairTradeDay
World Migratory Bird Day* #WorldMigratoryBirdDay
*Observed the day before Mother’s Day.
Blame Someone Else Day* #BlameSomeoneElseDay
Brunch for Lunch Day* #BrunchForLunchDay
Mother Ocean Day* #MotherOceanDay
National Dog Mom’s Day* #DogMomsDay
National Babysitter’s Day* #NationalBabysittersDay
*Observed Saturday of the first full week in May.
May 11 Holidays and Observances 2025
Hostess Cupcake Day #HostessCupcakeDay
National Eat What You Want Day #EatWhatYouWantDay
National Foam Rolling Day #NationalFoamRollingDay
National Twilight Zone Day #NationalTwilightZoneDay
World Ego Awareness Day #WorldEgoAwarenessDay
Mother’s Day* #MothersDay
*Observed the second Sunday in May.
May 12 Holidays and Observances 2025
International Awareness Day #InternationalAwarenessDay
International Chronic Fatigue Syndrome Awareness Day #CFSAwarenessDay
International Nurses Day #InternationalNursesDay
National Fibromyalgia Awareness Day #FibromyalgiaAwarenessDay
National Limerick Day #NationalLimerickDay
National Nutty Fudge Day #NationalNuttyFudgeDay
National Odometer Day #NationalOdometerDay
National Women’s Checkup Day* #WomensCheckupDay
*Observed on Monday of the second full week in May.
May 13 Holidays and Observances 2025
International Hummus Day #HummusDay
National Apple Pie Day #NationalApplePieDay
National Birth Mother’s Day #NationalBirthmothersDay
National Crouton Day #NationalCroutonDay
National Frog Jumping Day #FrogJumpingDay
National Fruit Cocktail Day #FruitCocktailDay
Top Gun Day #TopGunDay
World Cocktail Day #WorldCocktailDay
May 14 Holidays and Observances 2025
International Dylan Thomas Day #InternationalDylanThomasDay
National Buttermilk Biscuit Day #ButtermilkBiscuitDay
National Dance Like a Chicken Day #DanceLikeAChickenDay
National Decency Day #NationalDecencyDay
The Stars and Stripes Forever Day #TheStarsAndStripesForeverDay
Underground America Day #UndergroundAmericaDay
*Observed the second Wednesday in May.
Donate a Day’s Wages to Charity Day* #DonateADaysWagesToCharityDay
National Receptionists’ Day* #NationalReceptionistsDay
National Root Canal Appreciation Day* #RootCanalAppreciationDay
National Third Shift Workers Day* #ThirdShiftWorkersDay
*Observed Wednesday of the second full week in May.
National Numeracy Day* (UK) #NationalNumeracyDay
World FM Day* #WorldFMDay
May 15 Holidays and Observances 2025
Bring Flowers to Someone Day #BringFlowersToSomeoneDay
HG Awareness Day #HGAwarenessDay
International Conscientious Objectors Day #InternationalConscientiousObjectorsDay
International Day of Families #DayOfFamilies
International MPS Awareness Day #MPSAwarenessDay
National Chocolate Chip Day #ChocolateChipDay
National Nylon Stocking Day #NylonStockingDay
National Senior Fraud Awareness Day #NationalSeniorFraudAwarenessDay
Peace Officers Memorial Day #PeaceOfficersMemorialDay
Straw Hat Day #StrawHatDay
VBF Day of Awareness #VBFDayOfAwareness
*Observed the third Thursday in May.
Brown Bag It Thursday* #BrownBagItThursday
Global Accessibility Awareness Day* #GlobalAccessibilityAwarenessDay
Hummus Day* #HummusDay
National Apéritif Day* #NationalAperitifDay
National Notebook Day* #NationalNotebookDay
May 16 Holidays and Observances 2025
Honor Our LGBT Elders Day #HonorOurLBGTEldersDay
International Day of Light #InternationalDayOfLight
National Barbecue Day #NationalBBQDay
National Biographer’s Day #NationalBiographersDay
National Coquilles Saint Jacques Day #CoquillesSaintJacquesDay
National Do Something Good for Your Neighbor Day #NationalDoSomethingGoodForYourNeighborDay
National Love a Tree Day #LoveATreeDay
National Mimosa Day #MimosaDay
National Piercing Day #NationalPiercingDay
National Sea Monkey Day #NationalSeaMonkeyDay
Wear Purple for Peace Day #WearPurpleForPeaceDay
Shades Day* #ShadesDay
*Observed the closest Friday to May 15th.
*Observed the third Friday in May.
International Virtual Assistants Day* #InternationalVirtualAssistantsDay
NASCAR Day* #NASCARDay
National Bike to Work Day* #BikeToWorkDay
National Defense Transportation Day* #DefenseTransportationDay
National Endangered Species Day* #EndangeredSpeciesDay
National Pizza Party Day* #PizzaPartyDay
May 17 Holidays and Observances 2025
International Day Against Homophobia, Biphobia, and Transphobia #IDAHOBIT
National Cherry Cobbler Day #CherryCobblerDay
National Graduation Tassel Day #GraduationTasselDay
National Mushroom Hunting Day #NationalMushroomHuntingDay
National Pack Rat Day #NationalPackRatDay
National Walnut Day #NationalWalnutDay
Pinot Grigio Day #PinotGrigioDay
World Hypertension Day #WorldHypertensionDay
World NF Awareness Day #WorldNFAwarenessDay
World Telecommunication and Information Society Day #WorldTelecommunicationAndInformationSocietyDay
*Observed the third Saturday in May.
Culture Freedom Day* #CultureFreedomDay
National Armed Forces Day* #ArmedForcesDay
National Learn to Swim Day* #LearnToSwimDay
National River Cleanup Day* #NationalRiverCleanupDay
Plant a Lemon Tree Day* #PlantALemonTreeDay
Preakness Stakes* #PreaknessStakes
World Whisky Day* #WorldWhiskyDay
World Fiddle Day* #WorldFiddleDay
*Observed the closest Saturday to May 19th.
May 18 Holidays and Observances 2025
I Love Reeses Day #ILoveReesesDay
International Museum Day #InternationalMuseumDay
National Cheese Soufflé Day #NationalCheeseSouffleDay
National HIV Vaccine Awareness Day #HIVVaccineAwarenessDay
National No Dirty Dishes Day #NoDirtyDishesDay
National Speech Pathologist Day #NationalSpeechPathologistDay
National Visit Your Relatives Day #NationalVisitYourRelativesDay
Send an Electronic Greeting Card Day #SendAnElectronicGreetingCardDay
World Aids Vaccine Day #WorldAidsVaccineDay
*Observed the third Sunday in May.
Stepmother’s Day* #StepmothersDay
World Baking Day* #WorldBakingDay
May 19 Holidays and Observances 2025
National Accounting Day #NationalAccountingDay
National Devil’s Food Cake Day #DevilsFoodCakeDay
National Hepatitis Testing Day #NationalHepatitisTestingDay
National May Ray Day #NationalMayRayDay
World Family Doctor Day #WorldFamilyDoctorDay
World IBD Day #WorldIBDDay
May 20 Holidays and Observances 2025
Eliza Doolittle Day #ElizaDoolittleDay
International Clinical Trials Day #InternationalClinicalTrialsDay
International Red Sneakers Day #InternationalRedSneakersDay
National Be a Millionaire Day #BeAMillionaireDay
National Memo Day #NationalMemoDay
National Pick Strawberries Day #PickStrawberriesDay
National Quiche Lorraine Day #QuicheLorraineDay
National Rescue Dog Day #NationalRescueDogDay
National Streaming Day #NationalStreamingDay
Weights and Measures Day #WeightsAndMeasuresDay
World Autoimmune Arthritis Day #WorldAutoimmuneArthritisDay
World Bee Day #WorldBeeDay
Dinosaur Day* #DinosaurDay
*Observed the third Tuesday in May.
May 21 Holidays and Observances 2025
I Need a Patch for That Day #INeedAPatchForThatDay
International Tea Day #InternationalTeaDay
National American Red Cross Founder’s Day #AmericanRedCrossFoundersDay
National Memo Day #NationalMemoDay
National Strawberries and Cream Day #StrawberriesAndCreamDay
National Waitstaff Day #NationalWaitstaffDay
Rapture Party Day #RapturePartyDay
Talk Like Yoda Day #TalkLikeYodaDay
World Day for Cultural Diversity for Dialogue and Development #WorldDayForCulturalDiversityForDialogueAndDevelopment
*Observed the third Wednesday in May.
National Juice Slush Day* #NationalJuiceSlushDay
Turn Beauty Inside Out Day* #TurnBeautyInsideOutDay
Emergency Medical Services for Children Day* #EMSForChildrenDay
*Observed Wednesday of the third full week in May.
May 22 Holidays and Observances 2025
Bitcoin Pizza Day #BitcoinPizzaDay
Harvey Milk Day #HarveyMilkDay
International Being You Day #InternationalBeingYouDay
International Day for Biological Diversity #DayForBiologicalDiversity
National Buy a Musical Instrument Day #BuyAMusicalInstrumentDay
National Maritime Day #NationalMaritimeDay
National Solitaire Day #NationalSolitaireDay
National Vanilla Pudding Day #VanillaPuddingDay
Sherlock Holmes Day #SherlockHolmesDay
World Goth Day #WorldGothDay
World Paloma Day #WorldPalomaDay
May 23 Holidays and Observances 2025
International Day to End Obstetric Fistula #InternationalDayToEndObstetricFistula
National Lucky Penny Day #LuckyPennyDay
National Taffy Day #NationalTaffyDay
World Turtle Day #WorldTurtleDay
*Observed the Friday before Memorial Day.
National Cooler Day* #NationalCoolerDay
National Death Busters Day* #NationalDeathBustersDay
National Don’t Fry Day* #DontFryDay
National Road Trip Day* #NationalRoadTripDay
National Title Track Day* #TitleTrackDay
*Observed the fourth Friday in May
National Wig Out Day* #NationalWigOutDay
*Observed 10 days before the first Monday in June.
May 24 Holidays and Observances 2025
Brother’s Day #BrothersDay
International Tiara Day #InternationalTiaraDay
National Asparagus Day #NationalAsparagusDay
National Aviation Maintenance Technician Day #AviationMaintenaceTechnicianDay
National Escargot Day #NationalEscargotDay
National Scavenger Hunt Day #ScavengerHuntDay
Amateur Radio Military Appreciation Day* #AmateurRadioMilitaryAppreciationDay
*Observed 9 days before the first Monday in June.
National Italian Beef Day* #NationalItalianBeefDay
*Observed the fourth Saturday in May.
May 25 Holidays and Observances 2025
Geek Pride Day #GeekPrideDay
International Plastic Free Day #InternationalPlasticFreeDay
National Brown-Bag-It Day #BrownBagItDay
National Missing Children’s Day #MissingChildrensDay
National Tap Dance Day #NationalTapDanceDay
National Wine Day #NationalWineDay
Towel Day #TowelDay
Indianapolis 500* #Indianapolis500
*Observed the Sunday of Memorial Day weekend.
Neighbor Day* #NeighborDay
*Observed 8 days before the first Monday in June.
May 26 Holidays and Observances 2025
National Blueberry Cheesecake Day #BlueberryCheesecakeDay
National Cherry Dessert Day #NationalCherryDessertDay
National Paper Airplane Day #PaperAirplaneDay
Sally Ride Day #SallyRideDay
World Dracula Day #WorldDraculaDay
World Lindy Hop Day #LindyHopDay
World Redhead Day #WorldRedheadDay
Memorial Day* (US) #MemorialDay
These freedom quotes are ideal to share on US patriotic holidays.
May 27 Holidays and Observances 2025
National Cellophane Tape Day #CellophaneTapeDay
National Grape Popsicle Day #GrapePopsicleDay
National Gray Day #NationalGrayDay
Nothing to Fear Day #NothingToFearDay
Sunscreen Protection Day #SunscreenProtectionDay
May 28 Holidays and Observances 2025
Amnesty International Day #AmnestyInternationalDay
Menstrual Hygiene Day #MenstrualHygieneDay
National Brisket Day #NationalBrisketDay
National Hamburger Day #NationalHamburgerDay
National Senior Health & Fitness Day* #SeniorHealthFitnessDay
*Observed the last Wednesday in May.
May 29 Holidays and Observances 2025
International Day of United Nations Peacekeepers #InternationalDayOfUnitedNationsPeacekeepers
Learn About Composting Day #LearnAboutCompostingDayNational 529 Day #529Day
National Biscuit Day #NationalBiscuitDay
National Coq Au Vin Day #NationalCoqAuVinDay
National Heat Awareness Day #HeatAwarenessDay
National Paperclip Day #NationalPaperclipDay
Put a Pillow on Your Fridge Day #PutAPillowOnYourFridgeDay
World Digestive Health Day #WorldDigestiveHealthDay
May 30 Holidays and Observances 2025
Loomis Day #LoomisDay
National Creativity Day #NationalCreativityDay
National Hole In My Bucket Day #HoleInMyBucketDay
National Mint Julep Day #MintJulepDay
National Water a Flower Day #WaterAFlowerDay
World Multiple Sclerosis Day #WorldMSDay
*Observed the last Friday in May.
European Neighbours Day* #EuropeanNeighboursDay
National Heat Awareness Day* #NationalHeatAwarenessDay
May 31 Holidays and Observances 2025
National Autonomous Vehicle Day #AutonomousVehicleDay
National Macaroon Day #NationalMacaroonDay
National Meditation Day #NationalMeditationDay
National Save Your Hearing Day #SaveYourHearingDay
National Smile Day #NationalSmileDay
Necrotizing Fasciitis Awareness Day #NecrotizingFasciitisAwareness
Speak in Complete Sentences Day #SpeakInCompleteSentencesDay
World No Tobacco Day #NoTobaccoDay
World Parrot Day #WorldParrotDay
May Holidays Mean More Engagement
I hope you’ve found a number of interesting May holidays you can’t wait to share.
Use them to inspire Instagram post ideas and engaging Facebook content fans love. Or tweet them out!
Use easy design tools to concoct engaging graphics. Try these resources to help you make picture quotes online, or you can use apps to add text to photos.
May has 31 days – be sure to pin the image below to Pinterest so you can come back for more.
And check out my mega roundup of social media holidays for the entire year!
Leave a Reply