Last updated: April 5, 2021 – 304 hashtag holidays
This list starts with the hashtag holidays by day, followed by the celebration months. There’s a little duplication because that’s the nature of made up holidays. Some also rotate year-to-year and we’re still working at identifying those. If you know a holiday that’s missing or we’ve made a mistake, please let us know!
Hashtag holidays with rotating dates are identified by the year. Official public holidays have the country and state, if state-based.
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April 1
April Fool’s Day | DIY Day | One Cent Day | Fun Day | DNA Day | Sourdough Bread Day | Reading is Fun Day | Atheist Day | National Burrito Day (2021)
April 2
International Children’s Book Day | National Peanut Butter and Jelly Day | Ferret Day | Love Your Produce Manager Day | World Autism (Awareness) Day | Pascua Florida Day | Good Friday (2021 Australia and DE, HI, IN, KY (half-day), LA, NJ, NC, PA, TN – USA)
April 3
Tweed Day | Don’t Go To Work Unless It’s Fun Day | Chocolate Mousse Day | Fish Fingers and Custard Day | World Party Day | Find a Rainbow Day | Day of Hope Isra and Mi’raj | Easter Saturday (2021) | Holy Saturday (2021) | National Film Score Day | National Love Our Children Day (2021) | National Handmade Day
April 4
Tell-A-Lie Day | Vitamin C Day | World Rat Day | Kickball Day | Cordon Bleu Day | D.A.R.E Day | Carrot Day | Walk Around Things Day | Easter Sunday (2021) | Geologists Day (2021) | Hug a Newsperson Day | National School Librarian Day
April 5
Read a Road Map Day | Go for Broke Day | Walk to Work Day | Deep Dish Pizza Day | Star Trek First Contact Day | Caramel Day | Poet in a Cupcake Day | Hospital Admitting Clerk Day | Easter Monday (2021) | Flash Drive Day | National Raisin and Spice Bar Day
April 6
Sorry Charlie Day | Pillow Fight Day | National Teflon Day | Tangible Karma Day | Army Day | World Table Tennis Day | Caramel Popcorn Day | International Firewalk Day | Plan Your Epitaph Day | New Beer’s Eve | DIY Day | National Tartan Day | Easter Tuesday (2021 Tas – Australia) | National Carbonara Day | Day of Sport for Development and Peace | Student Athlete Day | National Library Workers Day (2021)
April 7
National Beer Day #NationalBeerDay | No Housework Day | Beaver Day | World Health Day | National Walking Day (2021) | National Coffee Cake Day
April 8
All Is Ours Day | Draw a Picture of a Bird Day | Zoo Lovers Day | Rex Manning Day | National Empanada Day
April 9
Winston Churchill Day | Name Yourself Day | Unicorn Day | Be Kind to Lawyers Day | Equal Pay Day | Cherish an Antique Day | Name Yourself Day | International ASMR Day | Chinese Almond Cookie Day | National Day of Silence
April 10
Siblings Day #NationalSiblingsDay | Golfers Day | Bookmobile Day | International Safety Pin Day | Day of Pink | World Homeopathy Day | Cinnamon Crescent Day | Encourage a Young Writer Day | National Farm Animals Day
April 11
Pet Day #NationalPetDay | Eight-Track Tape Day | Cheese Fondue Day | Barbershop Quartet Day | Submarine Day | World Parkinson’s Disease Day
April 12
Bookmobile Day | Teach Your Children to Save Day | Deskfast Day | Walk on Your Wild Side Day | Grilled Cheese Sandwich Day | Licorice Day | Day of Silence | Ramadan (2021) | National Big Wind Day
April 13
Scrabble Day | Blame Somebody Else Day | Thomas Jefferson’s Birthday | National Make Lunch Count Day | National Peach Cobbler Day
April 14
National Pecan Day | Dolphin Day | Look Up at the Sky Day | Moment of Laughter Day | World Chagas Disease Day | National Gardening Day | Reach As High As You Can Day | National ExSpouse Day
April 15
Microvolunteering Day | Rubber Eraser Day | Tax Day (USA but the 2021 submission date has been changed to May 17) | That Sucks! Day | Take a Wild Guess Day | ASL Day | Anime Day | World Art Day | Get to Know Your Customers Day | National High Five Day | Glazed Spiral Ham Day
April 16
National Stress Awareness Day | National Eggs Benedict Day | Emancipation Day (DC, USA) | Wear Your Pajamas to Work Day | Save the Elephant Day | World Voice Day | Healthcare Decisions Day | National Orchid Day | Clean Out Meds Day (2021)
April 17
National Cheeseball Day | Haiku Poetry Day | Blah Blah Blah Day | Ford Mustang Day | Nothing Like a Dame Day | Bat Appreciation Day | National Crawfish Day | World Hemophilia Day | National Record Store Day (2021)
April 18
International Jugglers Day | Columnists Day | College Student Grief Awareness Day | Amateur Radio Day | Pet Owners Independence Day | High Five Day (2021) | World Heritage Day | International Day for Monuments and Sites | National Animal Crackers Day | National Lineman Appreciation Day
April 19
Garlic Day | Bicycle Day | Hanging Out Day | Rice Ball Day | Poetry and the Creative Mind Day | Patriots Day (2021 – ME, MA – USA) | National Amaretto Day
April 20
National Look-alike Day #NationalLookAlikeDay | Volunteer Appreciation Day (also called Volunteer Recognition Day) | Auctioneers Day | Chinese Language Day | Husband Appreciation Day | National Cheddar Fries Day | Pineapple Upside-down Cake Day
April 21
Kindergarten Day | Bulldogs are Beautiful Day | World Creativity and Innovation Day | American Red Cross Giving Day | Chocolate-Covered Cashews Day | National Banana Day | National Tea Day (also called British National Tea Day) | National Yellow Bat Day
April 22
Earth Day #EarthDay (also called International Mother Earth Day and Mother Earth Day) | National Jelly Bean Day | Oklahoma Day | Thank You Thursday | Teach Children to Save Day
April 23
Talk Like Shakespeare Day | World Book Night | Read Me Day | World Laboratory Animal Day | World Book Day | German Beer Day | English Language Day | Lost Dog Awareness Day | Spanish Language Day | World Book and Copyright Day | International Day of the Book | National Picnic Day | National Take a Chance Day
April 24
National Pigs in a Blanket Day | Administrative Professionals Day | International Guide Dogs Day | Independent Bookstore Day | Who Made My Clothes Day | Fashion Revolution Day | Meningitis Day | Pool Opening Day (2021) | Sense of Smell Day (2021) | World Tai Chi Day (2021)
April 25
Denim Day #DenimDay | National Zucchini Bread Day | Take Our Daughters and Sons to Work Day | World Penguin Day | Hug a Plumber Day | Poem in your Pocket Day | Malaria Day | Love Your Thighs Day | Anzac Day (NSW, SA, Tas, Vic, WA – Australia) | “The Perfect Date” from Miss Congeniality | Parental Alienation Awareness Day | National Telephone Day | National DNA Day
April 26
Richter Scale Day | National Pretzel Day | Hug an Australian Day | Hairball Awareness Day | Alien Day | Help a Horse Day | National Kids and Pets Day | College Student Grief Awareness Day | Anzac Day (ACT, NT, Qld, SA, WA – Australia) | Confederate Memorial Day (2021 – FL, USA) | Intellectual Property Day (also called World IP Day) | National Dissertation Day
April 27
Tell a Story Day | Poem in Your Back Pocket Day | Marine Mammal Rescue Day | Morse Code Day | Save the Frogs Day | Go Birding Day | World Veterinary Day | International Marconi Day | Prime Rib Day | World Tapir Day | National Devil Dog Day
April 28
Great Poetry Reading Day | Kiss-Your-Mate Day | Workers’ Memorial Day | Pinhole Photography Day | Blueberry Pie Day | Cubicle Day | Biological Clock Day | Pay It Forward Day | National Brave Hearts Day | Clean Comedy Day | Superhero Day | World Day for Safety | International Guide Dog Day (2021)
April 29
National Shrimp Scampi Day | International Dance Day | Zipper Day | World Wish Day | National Peace Rose Day
April 30
National Honesty Day #NationalHonestyDay | International Jazz Day | Oatmeal Cookie Day | Arbor Day (2021 – NE, USA) | Orthodox Good Friday | Adopt a Shelter Pet | National Bubble Tea Day | National Bugs Bunny Day | National Raisin Day
April Hashtag Holidays
Bleeding Disorders Awareness Month | National Cheerleader Safety Month | National Colorectal Cancer Awareness Month | National Endometriosis Awareness Month | National Kidney Month | National Nutrition Month | Problem Gambling Awareness Month | Save Your Vision Month | Trisomy Awareness Month | Workplace Eye Wellness Month | National Celery Month | National Flour Month | National Frozen Food Month | National Nutrition Month | National Noodle Month | National Peanut Month | National Sauce Month | National Caffeine Awareness Month | Irish American Month | Music in Our Schools Month | National Craft Month | National Women’s History Month | Red Cross Month | Social Workers Month | World Autism Month
January Hashtag Holidays
February Hashtag Holidays
March Hashtag Holidays
April Hashtag Holidays
May Hashtag Holidays
June Hashtag Holidays (coming soon)
July Hashtag Holidays (coming soon)
August Hashtag Holidays (coming soon)
September Hashtag Holidays
October Hashtag Holidays
November Hashtag Holidays
December Hashtag Holidays
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Cover Photo by Dan Dumitriu on Unsplash