How’s this for an excuse to advertise a product? (Weird holiday guide – Updated for 2019)

BONUS! Find this helpful? To download this post as a PDF, click here!

Wow, I can’t believe Christmas was yesterday! Sales are still likely to come in for New Year’s, and people may be looking to cash in on gift cards or make returns or exchanges.

So the craziness ensues!

But to get your wheels turning for 2019, I’ve compiled a big list of “weird” holidays that you can leverage for odd-ball promotions throughout the year to keep your sales coming.

This list of holidays includes a huge range of celebrations, such as days for special people, like aunts and uncles and grandparents, and other days that are just downright wacky, like appreciate a dragon day or national sea monkey day.

This is the third year running that I’ve made this type of post (you can check out last year’s list here). And every year, there are even more weird holidays to capitalize on.

You’ll find at least one weird holiday for every single day of the year. And if you want to jump to certain months, just click the links:

You can check out the full list below. 

(NOTE: For Rachel, it seems like when you want to add headings or bullet points, that has to go in another text block. Otherwise, the enter + shift worked.)

Weird Holiday Guide

January 

January 1 – Hangover Day 
January 1 – Copyright Law Day
January 1 – Ellis Island Day
January 1 – First Foot Day
January 1 – Global Family Day
January 1 – Public Domain Day
January 1 – Z Day
January 2 – Run Up The Flagpole And See If Anyone Salutes Day 
January 2 – Happy Mew Year For Cats
January 2 – National Buffet Day
January 2 – National Personal Trainer Awareness Day
January 2 – National Science Fiction Day
January 2 – Pet Travel And Safety Day
January 3 – Festival Of Sleep Day 
January 3 – Fruitcake Toss Day 
January 3 – Humiliation Day 
January 3 – J.R.R. Tolkien Day
January 3 – National Chocolate Covered Cherry Day
January 4 – National Spaghetti Day 
January 4 – Trivia Day 
January 4 – I Am A Mentor Day
January 4 – Pop Music Chart Day
January 4 – Tom Thumb Day
January 4 – World Braille Day
January 4 – World Hypnotism Day
January 5 – National Bird Day 
January 5 – National Keto Day
January 5 – National Screenwriters’ Day
January 5 – Monopoly Game Day
January 6 – Bean Day 
January 6 – Cuddle Up Day 
January 6 – National Technology Day
January 7 – Old Rock Day 
January 7 – Harlem Globetrotters’ Day
January 7 – I’m Not Going To Take It Anymore Day
January 7 – International Programmers’ Day
January 7 – National Bobblehead Day
January 7 – National Weigh–In Day
January 8 – Bubble Bath Day 
January 8 – Argyle Day
January 8 – Earth’s Rotation Day
January 8 – National English Toffee Day
January 8 – National Shop For Travel Day
January 8 – National Winter Skin Relief Day
January 8 – War On Poverty Day
January 9 – Play God Day 
January 9 – National Take The Stairs Day 
January 9 – Balloon Ascension Day
January 9 – Law Enforcement Appreciation Day
January 9 – National Cassoulet Day
January 9 – National Static Electricity Day
January 10 – Bittersweet Chocolate Day 
January 10 – Houseplant Appreciation Day 
January 10 – Peculiar People Day 
January 10 – League Of Nations Day
January 10 – National Cut Your Energy Costs Day
January 10 – National Oysters Rockerfeller Day
January 11 – Cigarettes Are Hazardous To Your Health Day
January 11 – Step In A Puddle And Splash Your Friends Day 
January 11 – Learn Your Name In Morse Code Day
January 11 – National Human Trafficking Awareness Day
January 11 – National Milk Day
January 12 – National Pharmacist Day 
January 12 – Eagle Day
January 12 – Kiss A Ginger Day
January 12 – Hot Tea Day
January 12 – National Vision Board Day
January 13 – International Skeptics Day 
January 13 – Make Your Dreams Come True Day
January 13 – National Sticker Day
January 13 – Public Radio Broadcasting Day
January 14 – Caesarean Section Day
January 14 – Dress Up Your Pet Day 
January 14 – International Kite Day
January 14 – National Clean Off Your Desk Day
January 14 – Organize Your Home Day
January 15 – National Hat Day 
January 15 – Humanitarian Day
January 15 – National Bagel Day
January 16 – Appreciate A Dragon Day 
January 16 – National Nothing Day
January 16 – Civil Service Day
January 16 – Fig Newton Day
January 16 – National Quinoa Day
January 16 – Religious Freedom Day  
January 17 – Ditch Your New Year’s Resolutions Day 
January 17 – Cable Car Day
January 17 – Get To Know Your Customers Day
January 17 – International Mentoring Day
January 17 – Kid Inventors’ Day
January 17 – Popeye Day
January 18 – Thesaurus Day 
January 18 – Winnie The Pooh Day 
January 18 – Bean Day
January 18 – International Fetish Day
January 19 – National Popcorn Day 
January 19 – National Tin Can Day 
January 19 – World Day Of Migrants And Refugees
January 19 – World Quark Day
January 20 – National Buttercrunch Day 
January 20 – National Cheese Lover Day 
January 20 – Penguin Awareness Day 
January 20 – Camcorder Day
January 20 – National Cheese Lovers’ Day
January 20 – National Disc Jockey Day
January 20 – World Snow Day
January 21 – National Hugging Day 
January 21 – Squirrel Appreciation Day 
January 21 – National Crowd Feed Day
January 21 – Rid The World Of Fad Diets And Gimmicks Day
January 22 – National Blonde Brownie Day 
January 22 – Answer Your Cat’s Question Day
January 22 – Roe Vs. Wade Day
January 23 – Paul Pitcher Day
January 23 – National Pie Day 
January 23 – National Handwriting Day 
January 23 – Measure Your Feet Day 
January 24 – Compliment Day 
January 24 – Beer Can Day
January 24 – Belly Laugh Day
January 24 – International Mobile Phone Recycling Day
January 24 – National Peanut Butter Day
January 25 – Opposite Day 
January 25 – A Room Of One’s Own Day
January 25 – Fun At Work Day
January 25 – Macintosh Computer Day
January 25 – National Big Wig Day
January 25 – National Irish Coffee Day
January 25 – Thank Your Mentor Day
January 25 – Women’s Healthy Weight Day
January 26 – Spouse’s Day 
January 26 – Dental Drill Appreciation Day
January 26 – Fruitcake Toss Day
January 26 – National Peanut Brittle Day
January 26 – National Seed Swap Day
January 27 – Chocolate Cake Day 
January 27 – Punch The Block Day 
January 27 – Auschwitz Liberation Day
January 27 – Holocaust Memorial Day
January 27 – National Geographic Day
January 27 – Thomas Crapper Day
January 27 – Vietnam Peace Day
January 28 – Bubble Wrap Appreciation Day 
January 28 – Data Privacy Day 
January 28 – National Kazoo Day 
January 28 – National Pediatrician Day
January 28 – Thank A Plugin Developer Day
January 29 – National Puzzle Day 
January 29 – National Corn Chip Day 
January 29 – Curmudgeons’ Day
January 29 – Freethinkers’ Day
January 29 – Library Shelfie Day
January 29 – National Plan For A Vacation Day
January 29 – Seeing Eye Dog Day
January 29 – Thomas Pain Day
January 30 – Croissant Day
January 30 – National Inane Answering Message Day 
January 31 – Backward Day 
January 31 – Inspire Your Heart With Art Day 
January 31 – Appreciate Your Social Security Check Day
January 31 – Street Children Day

February 

February 1 – Bubble Gum Day
February 1 – Candy Cane Making Day
February 1 – Car Insurance Day
February 1 – Change Your Password Day
February 1 – GI Joe Day
February 1 – Hula In The Coola Day
February 1 – International Day Of Black Women In The Arts
February 1 – International Face And Body Art Day
February 1 – National Get Up Day
February 1 – Serpent Day
February 1 – Spunky Old Broads Day
February 1 – Wear Red Day
February 1 – National Freedom Day
February 1 – No Politics Day
February 1 – World Hijab Day  
February 2 – Eat Ice Cream For Breakfast Day
February 2 – Barber Day
February 2 – Crepe Day
February 2 – Hedgehog Day
February 2 – Marmot Day
February 2 – Sled Dog Day
February 2 – Take Your Child To The Library Day
February 3 – Feed The Birds Day
February 3 – The Day The Music Died
February 3 – National Missing Person’s Day
February 4 – Create A Vacuum Day
February 4 – Stuffed Mushroom Day
February 4 – Thank A Mailperson Day
February 4 – Liberace Day
February 4 – Quacker Day
February 4 – USO Day
February 4 – World Cancer Day
February 5 – African American Coaches Day
February 5 – Dump Your Significant Jerk Day
February 5 – Safer Internet Day
February 5 – National Meteorologists Day
February 5 – World Nutella Day
February 5 – World Animal Reiki Day
February 6 – Lame Duck Day
February 6 – Chopsticks Day
February 6 – Canadian Maple Syrup Day
February 6 – International Day Of Zero Tolerance Toward Female Genital Mutilation
February 6 – National Girls And Women In Sports Day
February 7 – Ballet Day
February 7 – Black HIV/AIDS Awareness Day
February 7 – Dry Bean Day
February 7 – Laura Ingalls Wilder Day
February 7 – National Periodic Table Day
February 7 – Wave All Your Fingers At Your Neighbor Day
February 7 – Send A Card To A Friend Day
February 8 – Boy Scout Day
February 8 – Laugh And Get Rich Day
February 8 – No One Eats Alone Day
February 8 – Opera Day
February 8 – Kite Flying Day
February 9 – National Pizza Day
February 9 – Read In The Bathtub Day
February 9 – Toothache Day
February 10 – Umbrella Day
February 10 – National Home Warranty Day
February 10 – World Marriage Day
February 11 – Be Electric Day
February 11 – Clean Out Your Computer Day
February 11 – Don’t Cry Over Spilled Milk Day
February 11 – Make A Friend Day
February 11 – National Inventors Day
February 11 – White T-Shirt Day
February 11 – Get Out Your Guitar Day
February 11 – Satisfied Staying Single Day
February 11 – World Day Of The Sick
February 12 – National Lost Penny Day
February 12 – Plum Pudding Day
February 12 – Darwin Day
February 12 – Extraterrestrial Visitor Day
February 12 – NAACP Day
February 13 – Get A Different Name Day
February 13 – Desperation Day
February 13 – Galentine’s Day
February 13 – International Condom Day
February 13 – Madly In Love With Me Day
February 13 – Self-Love Day
February 14 – Ferris Wheel Day
February 14 – National Organ Donor Day
February 14 – International Book Giving Day
February 14 – Frederick Doublass Day
February 14 – League Of Women Voter’s Day
February 14 – Quirky Alone Day
February 14 – Race Relations Day
February 15 – National Gum Drop Day
February 15 – Singles Awareness Day
February 15 – Susan B. Anthony Day
February 15 – Love Reset Day
February 15 – National Hippo Day
February 15 – Remember The Maine Day
February 15 – World Information Architecture Day
February 16 – Do A Grouch A Favor Day
February 16 – National Almond Day
February 16 – World Whale Day
February 17 – Random Acts Of Kindness Day
February 17 – Analog To Digital TV Day
February 17 – Champion Crab Races Day
February 17 – My Way Day
February 17 – National PTA Founders Day
February 17 – World Human Spirit Day
February 18 – National Battery Day
February 18 – National Drink Wine Day
February 18 – National Hate Florida Day
February 18 – Pluto Day
February 19 – National Chocolate Mint Day
February 19 – Best Friends Day
February 19 – National Lashes Day
February 19 – Travel Africa Day
February 20 – Cherry Pie Day
February 20 – Hoodie Hoo Day
February 20 – Love Your Pet Day
February 20 – World Day For Social Justice
February 21 – International Mother Language Day
February 21 – Discover Girl Day
February 21 – Introduce A Girl To Engineering Day
February 21 – Card Reading Day
February 22 – Be Humble Day
February 22 – International World Thinking Day
February 22 – National Margarita Day
February 22 – Walking The Dog Day
February 22 – World Thinking Day
February 22 – Skip The Straw Day
February 22 – National Wildlife Day
February 23 – Curling Is Cool Day
February 23 – International Sword Swallowers’ Day
February 23 – Diesel Engine Day
February 23 – International Tongue Twister Day
February 23 – International Dog Biscuit Appreciation Day
February 23 – Open The Bottle Night
February 23 – Tootsie Roll Day
February 23 – Tennis Day
February 24 – National Tortilla Chip Day
February 24 – National Dance Day
February 24 – World Bartender Day
February 25 – Museum Advocacy Day
February 25 – Pistol Patent Day
February 26 – For Pete’s Sake Day
February 26 – National Pistachio Day
February 26 – Tell A Fairy Tale Day
February 27 – Polar Bear Day
February 27 – No Brainer Day
February 27 – Pink Shirt Day
February 28 – National Chili Day
February 28 – Floral Design Day
February 28 – Public Sleeping Day
February 28 – National Tooth Fairy Day
February 28 – Rare Disease Day   

March

March 1 – Employee Appreciation Day
March 1 – National Pig Day
March 1 – National Salesperson Day
March 1 – Peanut Butter Lovers’ Day
March 1 – Asiatic Fleet Memorial Day
March 1 – Baby Sleep Day
March 1 – Dress In Blue Day
March 1 – World Day Of Prayer
March 1 – Endometriosis Day
March 1 – National Horse Protection Day
March 1 – Peace Corps Day
March 1 – Plan A Solo Vacation Day
March 2 – Old Stuff Day
March 2 – Pasty Day
March 2 – Sock Monkey Day
March 2 – Soup It Forward Day
March 3 – Daughters’ And Sons’ Day
March 3 – Caregiver Appreciation Day
March 3 – I Want You To Be Happy Day
March 3 – If Pets Had Thumbs Day
March 3 – National Anthem Day
March 3 – Peach Blossom Day
March 3 – National Mulled Wine Day
March 3 – Simplify Your Life Day
March 4 – Holy Experiment Day
March 4 – Hug A GI Day
March 4 – International Scrapbooking Industry Day
March 4 – Marching Music Day
March 4 – Toy Soldier Day
March 4 – National Grammar Day
March 5 – International Pancake Day
March 5 – National Absinthe Day
March 5 – National Poutine Day
March 5 – Pancake Race Day
March 5 – Multiple Personalities Day
March 5 – Unique Names Day
March 6 – Dentist’s Day
March 6 – National Frozen Food Day
March 6 – Oreo Cookie Day
March 6 – National Dress Day
March 7 – Cereal Day
March 7 – Nametag Day
March 7 – National Be Heard Day
March 7 – World Book Day
March 7 – National Crown Roast Of Pork Day
March 8 – Be Nasty Day
March 8 – International Women’s Day
March 8 – Middle Name Pride Day
March 8 – National Proofreading Day
March 8 – National Peanut Cluster Day
March 8 – National Retro Video Game Day
March 8 – Girls Write Now Day
March 9 – Panic Day
March 9 – Barbie Day
March 9 – Genealogy Day
March 9 – Get Over It Day
March 9 – International Fanny Pack Day
March 9 – Joe Franklin Day
March 9 – National Urban Ballroom Dancing Day
March 10 – International Find A Pay Phone Booth Day
March 10 – Check Your Batteries Day
March 10 – US Paper Money Day
March 10 – Women And Girls HIV/AIDS Awareness Day
March 10 – Mario Day
March 10 – Salvation Army Day
March 11 – Dream 2019 Day
March 11 – National Promposal Day
March 11 – World Plumbing Day
March 11 – Napping Day
March 11 – Fill Our Staplers Day
March 11 – Johnny Appleseed Day
March 11 – Worship Of Tools Day
March 12 – Girl Scouts Day
March 12 – Plant A Flower Day
March 12 – Organize Your Home Office Day
March 13 – Earmuff Day
March 13 – K-9 Veterans’ Day
March 13 – National Open An Umbrella Indoors Day
March 13 – Smart And Sexy Day
March 13 – Jewel Day
March 14 – Learn About Butterflies Day
March 14 – National Potato Chip Day
March 14 – National Pi Day
March 14 – Popcorn Lovers’ Day
March 14 – International Ask A Question Day
March 14 – Save A Spider Day
March 14 – Write Your Story Day
March 14 – World Kidney Day
March 15 – Dumbstruck Day
March 15 – Buzzards Day
March 15 – Everything You Think Is Wrong Day
March 15 – Ides Of March
March 15 – Brutus Day
March 15 – National Shoes Of The World Day
March 15 – True Confessions Day
March 15 – World Consumer Rights Day
March 16 – Everything You Do Is Right Day
March 16 – Freedom Of Information Day
March 16 – International Sports Car Racing Day
March 16 – National Quilting Day
March 16 – Campfire Girls Day
March 16 – Corn Dog Day
March 16 – Lips Appreciation Day
March 16 – No Selfies Day
March 16 – Panda Day
March 17 – Corned Beef And Cabbage Day
March 17 – Submarine Day
March 17 – Campfire Day
March 18 – Awkward Moments Day
March 18 – Forgive Mom And Dad Day
March 18 – National Biodiesel Day
March 18 – Transit Driver Appreciation Day
March 18 – Goddess Of Fertility Day
March 18 – Supreme Sacrifice Day
March 19 – Poultry Day
March 19 – Clients’ Day
March 19 – National Agriculture Day
March 19 – National Chocolate Caramel Day
March 19 – Operation Iraqi Freedom Day
March 20 – International Earth Day
March 20 – Extraterrestrial Abductions Day
March 20 – Proposal Day
March 20 – International Astrology Day
March 20 – International Day Of Happiness
March 20 – National Agriculture Day
March 20 – French Language Day
March 20 – Proposal Day
March 21 – Absolutely Incredible Kid Day
March 21 – Credit Card Reduction Day
March 21 – Fragrance Day
March 21 – International Color Day
March 21 – Absolutely Incredible Kid Day
March 21 – International Day For The Elimination Of Racial Discrimination
March 21 – Memory Day
March 21 – National Common Courtesy Day
March 21 – National Farm Rescuer Day
March 21 – National Healthy Fats Day
March 21 – National Single Parent Day
March 22 – National Goof Off Day
March 22 – International Day Of The Seal
March 22 – World Day Of Water
March 23 – Melba Toast Day
March 23 – National Chip And Dip Day
March 23 – National Puppy Day
March 23 – Near Miss Day
March 23 – Okay Day
March 23 – Be Mad Day
March 24 – World Tuberculosis Day
March 24 – International Day Of The Unborn Child
March 24 – National Chocolate Covered Raisins Day
March 25 – National Medal Of Honor Day
March 25 – Tolkien Reading Day
March 25 – Pecan Day
March 25 – Waffle Day
March 26 – Make Up Your Own Holiday Day
March 26 – National Spinach Day
March 26 – Legal Assistants’ Day
March 26 – Spinach Day
March 26 – Purple Day
March 27 – National “Joe” Day
March 27 – Manatee Appreciation Day
March 27 – Viagra Day
March 27 – Celebrate Exchange Day
March 28 – Barnum & Bailey Day
March 28 – Something On A Stick Day
March 28 – Weed Appreciation Day
March 28 – Weed Appreciation Day
March 29 – National Mom And Pop Business Owners Day
March 29 – Smoke And Mirrors Day
March 29 – Niagara Falls Fun Dry Day
March 29 – Texas Loves The Children Day
March 30 – Doctors Day
March 30 – Pencil Day
March 30 – World Bipolar Day
March 30 – Torrents Day
March 30 – International Folding Laundry Day
March 30 – I Am In Control Day
March 30 – Take A Walk In The Park Day
March 31 – Bunsen Burner Day
March 31 – International Transgender Day Of Visibility
March 31 – International Hug A Medievalist Day
March 31 – National Prom Day
March 31 – National Clam On A Half Shell Day
March 31 – World Backup Day

April

April 1 – International Fun At Work Day
April 1 – Atheist Day
April 1 – Library Snap Shot Day
April 1 – National Fun Day
April 1 – Reading Is Funny Day
April 1 – Sorry Charlie Day
April 1 – St. Stupid Day
April 1 – International Tatting Day
April 2 – Children’s Book Day
April 2 – National Peanut Butter And Jelly Day
April 2 – Reconciliation Day
April 2 – Equal Pay Day
April 2 – International Children’s Book Day
April 2 – National Ferret Day
April 2 – National Love Your Produce Manager Day
April 2 – National Peanut Butter And Jelly Day
April 2 – National Sexual Assault Awareness Day Of Action
April 2 – World Autism Day
April 3 – Don’t Go To Work Unless It’s Fun Day
April 3 – Tweed Day
April 3 – World Party Day
April 3 – National Walking Day
April 3 – National Film Score Day
April 3 – Find A Rainbow Day
April 3 – Weed Out Hate Day
April 4 – Walk Around Things Day
April 4 – School Librarian Day
April 4 – Tell A Lie Day
April 4 – World Rat Day
April 4 – National Alcohol Screening Day
April 4 – National Burrito Day
April 4 – Vitamin C Day
April 5 – Gold Star Spouse Day
April 5 – National Deep Dish Pizza Day
April 5- Read A Road Map Day
April 5 – National Kids Yoga Day
April 5 – Go For Broke Day
April 5 – National Dandelion Day
April 5 – National Walk To Work Day
April 6 – California Poppy Day
April 6 – National Tartan Day
April 6 – New Beer’s Eve
April 6 – Plan Your Epitaph Day
April 6 –Hostess Twinkie Day
April 6 – Drowsy Driver Awareness Day
April 6 – International Pillow Fight Day
April 7 – International Beaver Day
April 7 – Metric System Day
April 7 National Handmade Day
April 7 – Caramel Popcorn Day
April 7 – National Beer Day
April 7 – No Housework Day
April 7 – World Health Day
April 8 – All Is Ours Day
April 8 – Draw A Picture Of A Bird Day
April 8 – Zoo Lovers’ Day
April 8 – Buddha Day
April 8 – Draw A Bird Day
April 8 – International Rome Day
April 8 – National Dog Fighting Awareness Day
April 9 – Name Yourself Day
April 9 – Winston Churchill Day
April 9 – Jumbo Day
April 9 – National Be Kind To Lawyers Day
April 9 – National Cherish An Antique Day
April 9 – National Former Prisoner Of War Recognition Day
April 10 – National Book Mobile Day
April 10 – National Farm Animals Day
April 10 – Safety Pin Day
April 10 – Call First Day
April 10 – National Siblings Day
April 11 – Celebrate Teen Literature Day
April 11 – World Parkinson’s Disease Day
April 11 – Barbershop Quartet Day
April 11 – National Submarine Day
April 12 – Big Wind Day
April 12 – Grilled Cheese Sandwich Day
April 12 – National Licorice Day
April 12 – Russian Cosmonaut Day
April 12 – Walk On Your Wild Side Day
April 12 – International Day Of Human Space Flight
April 13 – Make Lunch Count Day
April 13 – International Plant Appreciation Day
April 13 – National Peach Cobbler Day
April 13 – Scrabble Day
April 14 – Ex Spouse Day
April 14 – International Moment Of Laughter Day
April 14 – Look Up At The Sky Day
April 14 – National Dolphin Day
April 14 – National Pecan Day 
April 14 – Reach As High As You Can Day
April 14 – National Gardening Day
April 15 – Rubber Eraser Day
April 15 – That Sucks Day
April 15 – Titanic Remembrance Day
April 15 – World Art Day
April 15 – Jackie Robinson Day
April 15 – Take A Wild Guess Day
April 16 – Mushroom Day
April 16 – National Eggs Benedict Day
April 16 – National Librarian Day
April 16 – National Stress Awareness Day
April 16 – Save The Elephant Day
April 16 – Foursquare Day
April 17 – Bat Appreciation Day
April 17 – Blah, Blah, Blah Day
April 17 – National Cheese Ball Day
April 17 – Pet Owners Independence Day
April 18 – Herbalist Day
April 18 – Adult Autism Day
April 18 – International Jugglers Day
April 18 – National High Five Day
April 18 –  Newspaper Columnists Day
April 19 – National Garlic Day
April 19 – Bicycle Day
April 19 – John Parker Day
April 19 – National Hanging Out Day
April 20 – Husband Appreciation Day
April 20 – Look–Alike Day
April 20 – Volunteer Recognition Day
April 20 – Auctioneers’ Day
April 21 – Bulldogs Are Beautiful Day
April 21 – Plum Pudding Day
April 21 – Kindergarten Day
April 22 – Earth Day
April 22 – Girl Scout Leader Day
April 22 – National Jellybean Day
April 23 – Lovers Day
April 23 – National Zucchini Bread Day
April 23 – Take A Chance Day
April 23 – World Laboratory Day
April 23 – English Muffin Day
April 23 – English Language Day
April 24 – Administrative Professionals Day
April 24 – Pigs In A Blanket Day
April 24 – International Guide Dogs’ Day
April 24 – New Kids On The Block Day
April 24 – National Golf Day
April 25 – DNA Day
April 25 – World Meningitis Day
April 25 – National Mani-Pedi Day
April 25 – East Meets West Today
April 25 – Take Your Daughter To Work Day
April 25 – World Penguin Day
April 26 – Hug An Australian Day
April 26 – National Pretzel Day
April 26 – Richter Scale Day
April 26 – Alien Day
April 26 – Lesbian Visibility Day
April 26 – National Hairball Awareness Day
April 27 – Babe Ruth Day
April 27 – Independent Bookstore Day
April 27 – National Go Birding Day
April 27 – Save The Frogs Day
April 27 – National Prime Rib Day
April 27 – Tell A Story Day
April 28 – Biological Clock Day
April 28 – National Superhero Day
April 28 – International Astronomy Day
April 28 – Great Poetry Reading Day
April 28 – Kiss Your Meat Day
April 29 – Greenery Day
April 29 – National Shrimp Scampi Day
April 29 – World Wish Day
April 29 – Zipper Day
April 29 – International Dance Day
April 30 – Hairstyle Appreciation Day
April 30 – National Honesty Day
April 30 – Animal Advocacy Day
April 30 – Bugs Bunny Day

May 

May 1 – Loyalty Day
May 1 – Batman Day
May 1 – Childhood Depression Awareness Day
May 1 – Law Day
May 1 – National Purebred Dog Day
May 1 – Mother Goose Day
May 1 – Save The Rhino Day
May 2 – Baby Day
May 2 – Brothers And Sisters Day
May 2 – National Day Of Prayer
May 2 – World Password Day
May 2 – World Tuna Day
May 3 – National Textiles Day
May 3 – Garden Meditation Day
May 3 – International Tuba Day
May 3 – Lumpy Rug Day
May 3 – Space Day
May 3 – World Press Freedom Day
May 4 – Bird Day
May 4 – Free Comic Book Day
May 4 – Kentucky Derby Day
May 4 – National Candied Orange Peel Day
May 4 – Renewal Day
May 4 – Star Wars Day
May 5 – National Hoagie Day
May 5 – International Bereaved Mothers’ Day
May 5 – Silence Of The Shame Day
May 5 – Revenge Of The Fifth
May 5 – National Astronaut Day
May 5 – Oyster Day
May 6 – Beverage Today
May 6 – National Tourist Appreciation Day
May 6 – National Nurses Day
May 6 – No Diet Day
May 7 – National Tourism Day
May 7 – National Teachers Day
May 7 – Cosmopolitan Day
May 7 – World Asthma Day
May 8 – Iris Day
May 8 – National Outdoor Intercourse Day
May 8 – National Receptionists Day
May 8 – No Socks Day
May 8 – School Nurses Day
May 8 – VE Day
May 8 – World Red Cross Day
May 9 – Lost Sock Memorial Day 
May 9 – National Sleepover Day
May 9 – National Children’s Mental Health Awareness Day
May 10 – National Lipid Day
May 10 – Childcare Provider Day
May 10 – Clean Up Your Room Day
May 10 – Military Spouses Day
May 11 – Birth Mother’s Day
May 11 – Eat What You Want Day
May 11 – International Migratory Bird Day
May 11 – National Train Day
May 11 – National Windmill Day
May 11 – Twilight Zone Day
May 11 – Babysitters’ Day
May 12 – Fatigue Syndrome Day
May 12 – Limerick Day
May 12 – National Nutty Fudge Day
May 12 – Native American Rights Day
May 12 – Odometer Day
May 13 – Accounting Day
May 13 – Children Of Fallen Patriots’ Day
May 13 – Hummus Day
May 13 – Frog Jumping Day
May 13 – Leprechaun Day
May 14 – The Stars And Stripes Forever Day
May 14 – Underground America Day  
May 14 – Dance Like A Chicken Day
May 15 – National Chocolate Chip Day
May 15 – International Day Of Families
May 15 – Straw Hat Day
May 15 – Turn Beauty Inside Out Day
May 15 – Police Officer’s Memorial Day
May 16 – Love A Tree Day
May 16 – Mimosa Day
May 16 – National Sea Monkey Day
May 16 – Wear Purple For Peace Day
May 17 – Pack Rat Day
May 17 – International Day Against Homophobia
May 17 – International Virtual Assistants’ Day
May 17 – NASCAR Day
May 17 – Same Sex Marriage Day
May 17 – National Pizza Party Day
May 18 – International Museum Day
May 18 – No Dirty Dishes Day
May 18 – Visit Your Relatives Day
May 18 – Buy A Musical Instrument Day
May 18 – HIV Vaccine Awareness Day
May 18 – Mother Whistler Day
May 19 – Boy’s Club Day
May 19 – May Ray Day
May 19 – National Hepatitis Testing Day
May 19 – National Scooter Day
May 19 – Ride A Unicycle Day
May 19 – Take Your Parents To The Playground Day
May 20 – Eliza Doolittle Day
May 20 – Be A Millionaire Day
May 20 – Pick Strawberries Day
May 20 – Weights And Measures Day
May 21 – Sister Maria Hummel Day
May 21 – National Memo Day
May 22 –Harvey Milk Day
May 22 – Brain Injury Awareness Day
May 22 – World Goth Day
May 22 – National Maritime Day
May 22 – Sherlock Holmes Day
May 23 – Lucky Penny Day
May 23 – Eat More Fruits And Vegetables Day
May 23 – National Taffy Day
May 23 – World Turtle Day
May 24 – National Escargot Day
May 24 – Don’t Fry Day
May 24 – International Tiara Day
May 24 – National Wig Out Day
May 25 – International Jazz Day
May 25 – National Missing Children’s Day
May 25 – National Brown Bag It Day
May 25 – National Wine Day
May 25 – Tap Dance Day
May 26 – Sally Ride Day
May 26 – National Chardonnay Day
May 26 – National Paper Airplane Day
May 26 – World Lindy Hop Day
May 27 – Sunscreen Day
May 27 – Cellophane Tape Day
May 28 – Menstrual Hygiene Day
May 28 – Sierra Club Day
May 28 – National Hamburger Day
May 29 – Learn About Composting Day
May 29 – National Senior Health And Fitness Day
May 29 – World Otter Day
May 30 – Mint Julep Day
May 30 – Water A Flower Day
May 30 – Loomis Day
May 30 – National Nail Tech Day
May 30 – National Creativity Day 
May 31 – National Macaroon Day
May 31 – Save Your Hearing Day
May 31 – World No Tobacco Day
May 31 – World MS Day
May 31 – What You Think Upon Grows Day
May 31 – Heat Awareness Day   

June

June 1 – Dare Day
June 1 – Artichoke Day
June 1 – Global Day Of Parents
June 1 – National Bubble Day
June 1 – Go Barefoot Day
June 1 – Flip A Coin Day
June 2 – National Bubba Day
June 2 – National Rocky Road Day
June 2 – National Cancer Survivors Day
June 2 – National Rotisserie Chicken Day
June 2 – Yell “Fudge” At The Cobras In North America Day
June 3 – Wonder Woman Day
June 3 – World Clubfoot Day
June 3 – Repeat Day (I Said “Repeat Day”)
June 4 – Applesauce Cake Day
June 4 – Hug Your Cat Day
June 4 – National Cheese Day
June 4 – Old Maid’s Day
June 5 – Old Maids’ Day
June 5 – Apple II Day
June 5 – Hot Air Balloon Day
June 5 – World Environment Day
June 5 – National Moonshine Day
June 6 – National Gardening Exercise Day
June 6 – National Yo-Yo Day
June 6 – Drive-In Movie Day
June 6 – YMCA Day
June 7 – National Chocolate Ice Cream Day
June 7 – National Doughnut Day
June 7 – VCR Day
June 7 – Hug Your Cat Day
June 8 – Best Friends Day
June 8 – Name Your Poison Day
June 8 – World Ocean Day
June 8 – Family Fitness And Health Day
June 8 – Ghostbusters Day
June 8 – International Young Eagles Day
June 8 – Missing Mutts Awareness Day
June 8 – National Marina Day
June 9 – Donald Duck Day
June 9 – National Strawberry Rhubarb Pie Day
June 9 – Nursing Assistants Day
June 9 – International Archives Day
June 9 – Abused Women And Children’s Awareness Day
June 9 – Toy Industry Day
June 10 – Ball Point Pen Day
June 10 – Herb And Spices Day
June 10 – Iced Tea Day
June 10 – Race Unity Day
June 10 – Ballpoint Pen Day
June 10 – Alcoholics Anonymous Day 
June 11 – National Corn On The Cob Day
June 11 – National Cotton Candy Day
June 11 – National Making Life Beautiful Day
June 11 – World Pet Memorial Day
June 11 – Call Your Doctor Day
June 12 – National Jerky Day
June 12 – National Peanut Butter Cookie Day
June 12 – Red Rose Day
June 12 – Victims Of Orlando, Florida Attack Day
June 12 – World Day Against Child Labor
June 13 – National Weed Your Garden Day
June 13 – Sewing Machine Day
June 13 – International Albinism Awareness Day
June 13 – Random Acts Of Light
June 13 – Roller Coaster Day
June 14 – Monkey Around Day
June 14 – Family History Day
June 14 – International Bath Day
June 14 – National Bourbon Day
June 14 – Pause For The Pledge Day
June 14 – Blood Donor Day
June 15 – National Hollerin’ Contest Day
June 15 – National Nature Photography Day
June 15 – Smile Power Day
June 15 – Global Wind Day
June 15 – World Juggler’s Day
June 16 – Fresh Veggies Day
June 16 – Husband Caregiver Day
June 16 – Family Awareness Day
June 16 – Turkey Lovers’ Day
June 16 – Bloomsday
June 16 – Fudge Day
June 17 – Eat Your Vegetables Day
June 17 – National Garbage Person Day
June 17 – Ride To Work Day (Motorcycles)
June 17 – Stewarts Root Beer Day
June 17 – World Tessellation Day
June 18 – Go Fishing Day
June 18 – International Panic Day
June 18 – International Picnic Day
June 18 – International Sushi Day
June 18 – National Splurge Day
June 18 – Autistic Pride Day
June 18 – Clark Kent’s Birthday
June 18 – Sustainable Gastronomy Day
June 19 – Juneteenth
June 19 – National Kissing Day
June 19 – World Sauntering Day
June 19 – National Watch Day
June 19 – World Sickle Cell Day
June 20 – Dump The Pump Day
June 20 – National Hike With Geek Day
June 20 – World Productivity Day
June 20 – World Refugee Day
June 20 – Ice Cream Soda Day
June 20 – National Bald Eagle Day
June 21 – Go Skate Day
June 21 – International Yoga Day
June 21 – National Selfie Day
June 21 – Take Your Dog To Work Day
June 21 – National Seashell Day
June 21 – International Day Of Yoga
June 21 – National Day Of The Gong
June 21 – World Music Day
June 21 – Tall Girl Appreciation Day
June 22 – National Chocolate Éclair Day
June 22 – Global Smurfs Day
June 22 – Stupid Guy Thing Day
June 22 – World Rainforest Day
June 22 – Worldwide VW Beetle Day
June 22 – Baby Boomers’ Recognition Day
June 23 – National Columnists Day
June 23 – National Pink Day
June 23 – International Widows’ Day
June 23 – Let It Go Day
June 23 – National Hydration Day
June 23 – SAT Math Day
June 24 – Swim A Lap Day
June 24 – Celebration Of The Sense
June 24 – Please Take My Children To Work Day
June 24 – Stonewall National Monument Day
June 24 – World UFO Day
June 25 – Log Cabin Day
June 25 – Day Of The Seafarer
June 25 – Global Beatles Day
June 25 – National Catfish Day
June 26 – Beautician’s Day
June 26 – Forgiveness Day
June 26 – National Canoe Day
June 26 – Harry Potter Day
June 26 – National Canoe Day
June 26 – National Parchment Cooking Day
June 27 – Sun Glasses Day
June 27 – Decide To Be Married Day
June 27 – Industrial Workers Of The World Day
June 27 – National Handshake Day
June 27 – National Bomb Pop Day
June 27 – PTSD Awareness Day
June 28 – Insurance Awareness Day
June 28 – International Body Piercing Day
June 28 – Paul Bunyan Day
June 28 – Drive Your Corvette To Work Day
June 29 – Camera Day
June 29 – International Mud Day
June 29 – Waffle Iron Day
June 29 – San Francisco LGBTQ Pride Day
June 30 – Descendants Day
June 30 – Log Cabin Day
June 30 – Social Media Day
June 30 – NOW (National Organization For Women) Day
June 30 – Meteor Day

July

July 1 – Creative Ice Cream Flavors Day
July 1 – International Chicken Wing Day
July 1 – International Joke Day
July 1 – Estee Lauder Day
July 1 – National Deep Fried Clams Day
July 1 – National GSA Employee Day
July 1 – National Postal Workers’ Day
July 1 – Zip Code Day
July 2 – Made In The USA Day
July 2 – Second Half Of The Year Day
July 2 – I Forgot Day
July 2 – World UFO Day
July 3 – Compliment Your Mirror Day
July 3 – Disobedience Day
July 3 – Eat Beans Day
July 3 – Stay Out Of The Sun Day
July 3 – International Plastic Bag Free Day
July 4 – National Country Music Day
July 4 – Sidewalk Egg Frying Day
July 4 – Boom Box Parade Day
July 4 – Invisible Day
July 5 – Work Without Your Hands Day
July 5 – National Apple Turnover Day
July 5 – National Bikini Day
July 5 – Work-A-Holics’ Day
July 6 – International Kissing Day
July 6 – International Cherry Pit Spitting Day
July 6 – Take Your Webmaster To Lunch Day
July 7 – Build A Scarecrow Day
July 7 – Chocolate Day
July 7 – National Strawberry Sundae Day
July 7 – Tell The Truth Day
July 7 – Victims Of The Dallas, Texas Attack Day
July 8 – Body Painting Day
July 8 – National Blueberry Day
July 8 – Video Games Day
July 8 – Coca Cola Day
July 8 – Math 2.0 Day
July 9 – National Sugar Cookie Day
July 9 – National No Bra Day
July 10 – Pina Colada Day
July 10 – Pick Blueberries Day
July 10 – Teddy Bear Picnic Day
July 11 – Cheer Up The Lonely Day
July 11 – National Blueberry Muffins Day
July 11 – World Population Day
July 11 – Day Of The Five Billion
July 11 – Make Your Own Sundae
July 12 – Different Colored Eyes Day
July 12 – Pecan Pie Day
July 12 – National Motorcycle Day
July 12 – Simplicity Day
July 13 – Embrace Your Geekness Day
July 13 – Fool’s Paradise Day
July 13 – National French Fries Day
July 13 – Grange Day
July 13 – National Beef Tallow Day
July 13 – National French Fries Day
July 13 – Gruntled Workers’ Day
July 13 – National Nitroenice Cream Day
July 14 – Pandemonium Day
July 14 – National Nude Day
July 14 – Shark Awareness Day
July 14 – National Macaroni And Cheese Day
July 14 – Victims Of The Nice, France Attack Day
July 15 – Gummi Worm Day
July 15 – National Give Something Away Day
July 15 – Be A Dork Day
July 15 – Cow Appreciation Day
July 15 – Global Hug Your Kids Day
July 15 – Tapioca Pudding Day
July 16 – Fresh Spinach Day
July 16 – World Snake Day
July 16 – Hot Dog Night
July 16 – National Personal Chefs’ Day
July 17 – Disneyland Day
July 17 – Take Your Poet To Work Day
July 17 – National Hot Dog Day
July 17 – Peach Ice Cream Day
July 17 – World Emoji Day
July 17 – Yellow Pig Day
July 18 – National Caviar Day
July 18 – National Daiquiri Day
July 18 – National Sour Candy Day
July 18 – Nelson Mandela International Day
July 19 – Flitch Day
July 19 – Robin Hood Day
July 19 – National Raspberry Cake Day
July 20 – National Ice Cream Soda Day
July 20 – National Lollipop Day
July 20 – Moon Day
July 20 – International Cake Day
July 20 – Space Exploration Day
July 21 – National Junk Food Day
July 21 – No Pet Store Puppies Day
July 22 – Fragile X Awareness Day  
July 22 – Hammock Day
July 22 – Rat Catchers’ Day
July 22 – Global Hug Your Kid Day
July 22 – Spooners’ Day
July 23 – Vanilla Ice Cream Day
July 23 – Gorgeous Grandma Day
July 23 – Hot Enough For Ya Day
July 24 – International Self-Care Day
July 24 – Amelia Earhart Day
July 24 – Cousins Day
July 24 – National Tequila Day
July 24 – Tell An Old Joke Day
July 25 – Hire A Veteran Day
July 25 – National Intern Day
July 25 – Red Shoe Day
July 25 – Threading The Needle Day
July 25 – Video Games Day
July 26 – Americans With Disabilities Day
July 26 – National Talk In An Elevator Day
July 26 – All Or Nothing Day
July 26 – Aunt And Uncle Day
July 26 – System Administrator Appreciation Day
July 26 – National Day Of The Cowboy
July 27 – Walk On Stilts Day
July 27 – National Korean War Veterans Armistice Day
July 27 – Take Your Houseplants For A Walk Day
July 27 – Take Your Pants For A Walk Day
July 28 – National Milk Chocolate Day
July 28 – Buffalo Soldiers Day
July 28 – National Waterpark Day
July 28 – World Hepatitis Day
July 28 – Parents’ Day
July 29 – International Tiger Day
July 29 – National Chicken Wing Day
July 29 – Lasagna Day
July 29 – National Lipstick Day
July 30 – Father-In-Law Day
July 30 – National Chicken And Waffles Day
July 30 – National Support Public Education Day
July 30 – National Whistleblowers Appreciation Day 
July 30 – International Day Of Friendship
July 30 – Paperback Book Day
July 31 – Mutt’s Day
July 31 – Black Women’s Equal Pay Day
July 31 – Uncommon Instruments Awareness Day
July 31 – World Ranger Day

August 

August 1 – National Girlfriends Day
August 1 – Ecological Debt Day
August 1 – International Sister Cities Day
August 1 – Mead Day
August 1 – World Lung Cancer Day
August 1 – National Mountain Climbing Day
August 1 – National Raspberry Cream Pie Day
August 2 – National Ice Cream Sandwich Day
August 2 – National Coloring Book Day
August 2 – Homemade Pie Day
August 2 – Tomboy Tools Day
August 2 – International Beer Day
August 3 – Watermelon Day
August 3 – Sandcastle Day
August 3 – Grab Some Nuts Day
August 4 – Campfire Day
August 4 – International Hangover Day
August 4 – National Chocolate Chip Cookie Day
August 4 – US Coast Guard Day
August 4 – National Clown Day
August 4 – National Mustard Day
August 5 – Friendship Day
August 5 – International Forgiveness Day
August 5 – National Underwear Day
August 5 – National Oyster Day
August 5 – Sisters Day
August 5 – World Like A Dog Day
August 5- National Psychic Day
August 6 – Wiggle Your Toes Day
August 6 – Hiroshima Day
August 6 – National Fresh Breath Day
August 7 – National Lighthouse Day
August 7 – Particularly Preposterous Packaging Day
August 7 – Professional Speakers Day
August 7 – Purple Heart Day
August 8 – Sneak Some Zucchini Onto Your Neighbor’s Porch Day
August 8 – Bullet Journal Day August 8 – Happiness Happens Day
August 8 – Wear Your Mother’s Jewelry Day
August 9 – Book Lovers’ Day
August 9 – Veep Day
August 9 – International Day Of The World’s Indigenous People
August 10 – Lazy Day
August 10 – National S’mores Day
August 10 – World Lion Day
August 10 – Smithsonian Day
August 10 – National Bowling Day
August 11 – Presidential Joke Day
August 11 – Son And Daughter Day
August 11 – Ingersoll Day
August 11 – National Hip Hop Day
August 11 – Presidential Joke Day
August 12 – Middle Child Day
August 12 – International Youth Day
August 12 – World Elephant Day
August 12 – Vinyl Record Day
August 13 – Left Handers’ Day
August 14 – National Navajo Code Talkers’ Day
August 14 – National Creamsicle Day
August 14 – VJ Day
August 15 – Relaxation Day
August 15 – Best Friends Day
August 15 – Chauvin Day
August 15 – Check The Chip Day
August 16 – National Tell A Joke Day
August 16 – Brothers’ Day
August 16 – Men’s Grooming Day
August 16 – National Rollercoaster Day
August 17 – Black Cat Appreciation Day
August 17 – I Love My Feet Day
August 17 – National Nonprofit Day  
August 17 – Daughters’ Day
August 17 – National Thriftshop Day
August 18 – Bad Poetry Day
August 18 – National Honey Bee Awareness Day
August 18 – Birth Control Pills Day
August 18 – Chef Appreciation Day
August 18 – Mail Order Catalog Day
August 18 – National Fajita Day
August 19 – Aviation Day
August 19 – National Potato Day
August 19 – World Photo Day
August 20 – National Radio Day
August 20 – World Mosquito Day
August 21 – National Spumoni Day
August 21 – Senior Citizens’ Day
August 22 – Be An Angel Day
August 22 – National Tooth Fairy Day
August 22 – Take Your Cat To The Vet Day
August 23 – Day For The Remembrance Of The Slave Trade And Its Abolition
August 23 – Ride The Wind Day
August 23 – World Daffodil Day
August 24 – Knife Day
August 24 – Pluto Demoted Day
August 24 – Vesuvius Day
August 25 – National Park Service Day
August 25 – National Second-Hand Wardrobe Day
August 25 – National Whiskey Sour Day
August 25 – Kiss And Make Up Day
August 26 – National Dog Day
August 26 – Women’s Equality Day
August 26 – National Toilet Paper Day
August 27 – Global Forgiveness Day
August 27 – Just Because Day
August 27 – The Duchess Who Wasn’t Day
August 27 – Crackers Over The Keyboard Day
August 28 – Radio Commercials Day
August 28 – Race Your Mouse Day
August 29 – National Sarcoidosis Day
August 29 – International Day Against Nuclear Tests
August 29 – More Herbs, Less Salt Day
August 30 – Frankenstein Day
August 30 – International Whale Shark Day
August 30 – Toasted Marshmallow Day
August 31 – National Eat Outside Day
August 31 – National Trail Mix Day
August 31 – Franchise Appreciation Day
August 31 – National Matchmaker Day
August 31 – Pony Express Day

September

September 1 – Emma M. Nutt Day
September 1 – National Cherry Popover Day
September 1 – Calendar Adjustment Day
September 1 – National No Rhyme Day
September 1 – Save Japan’s Dolphins Day
September 2 – National No Patrick Day
September 2 – Bison-Ten Yell Day
September 2 – VJ Day
September 3 – Skyscraper Day
September 3 – Another Look Unlimited Day
September 3 – National Day Of Prayer For Victims Of Hurricane Harvey
September 4 – Newspaper Carrier Day
September 5 – Be Late For Something Day
September 5 – Cheese Pizza Day
September 5 – International Day Of Charity
September 5 – Jury Rights Day
September 6 – Bring Your Manners To Work Day
September 6 – National Dog Walker Appreciation Day
September 6 – Fight Procrastination Day
September 6 – Read A Book Day
September 7 – National Salami Day
September 7 – Neither Rain Now Snow Day
September 7 – World Beard Day
September 7 – Grateful Patient Day
September 8 – Bowling League Day
September 8 – Grandparents’ Day
September 8 – International Literacy Day
September 8 – National Date Nut Bread Day
September 8 – National Pet Memorial Day
September 8 – Pardon Day
September 9 – Teddy Bear Day
September 9 – Fetal Alcohol Spectrum Disorders Day
September 9 – International Buy A Priest Day
September 9 – Wonderful Weirdo Day
September 10 – World Suicide Prevention Day
September 10 – Sewing Machine Day
September 10 – Swap Ideas Day
September 11 – 911 Remembrance Day
September 11 – Remember Freedom Day
September 11 – Make Your Bed Day
September 11 – No News Is Good News Day
September 12 – Chocolate Milkshake Day
September 12 – National Video Games Day
September 12 – National Police Woman’s Day
September 12 – National Day Of Encouragement
September 13 – Defy Superstition Day
September 13 – Blame Someone Else Day
September 13 – International Chocolate Day
September 13 – Roald Dahl Day
September 13 – Uncle Sam Day
September 13 – Fortune Cookie Day
September 13 – Blame Someone Else Day
September 13 – National Peanut Day
September 13 – Positive Thinking Day
September 13 – Uncle Sam Day
September 14 – International Crab Fest Day
September 14 – National Cream-Filled Doughnut Day
September 14 – Banana Day
September 14 – Live Creative Day
September 14 – National Hollerin’ Day
September 15 – Make A Hat Day
September 15 – Felt Hat Day
September 15 – National Women’s Friendship Day
September 15 – Wife Appreciation Day
September 15 – International Day Of Democracy
September 16 – National Guacamole Day
September 16 – American Legion Day
September 16 – Collect Rocks Day
September 16 – Step-Family Day
September 16 – Mayflower Day
September 16 – National Play-Doh Day
September 16 – Working Parents’ Day
September 17 – Citizenship Day
September 17 – Constitution Day
September 17 – National Apple Dumping Day
September 17 – Get Ready Day
September 17 – Time’s Up Day
September 18 – National Cheeseburger Day
September 18 – National Rehabilitation Day
September 18 – National Ceiling Fan Day
September 18 – National Respect Day
September 19 – International Talk Like A Pirate Day
September 19 – National Butterscotch Pudding Day
September 20 – National Pepperoni Pizza Day
September 20 – National Punch Day
September 20 – International Grenache Day
September 20 – National Doodle Day
September 20 – National String Cheese Day
September 21 – International Peace Day
September 21 – Miniature Golf Day
September 21 – World Gratitude Day
September 21 – National Gymnastics Day
September 21 – Locate An Old Friend Day  
September 22 – Business Women’s Day
September 22 – Elephant Appreciation Day
September 22 – Hobbit Day
September 22 – Car Free Day
September 22 – Ice Cream Cone Day
September 23 – Checkers Day
September 23 – Dog In Politics Day
September 23 – Celebrate Bi-Sexuality Day
September 23 – National Great American Pot Pie Day
September 23 – National Snack Stick Day
September 24 – National Cherry Jubilee Day
September 24 – Punctuation Day
September 24 – National Voter Registration Day
September 25 – Math Storytelling Day
September 25 – National One-Hit Wonder Day
September 25 – National Comic Book Day
September 26 – Johnny Appleseed Day
September 26 – Compliance Officer Day
September 26- Forget-Me-Not Day
September 26 – National Dumpling Day
September 26 – World Contraception Day
September 27 – Hug A Vegetarian Day
September 27 – Love Note Day
September 27 – Crush A Can Day
September 27 – Native American Day
September 28 – Ask A Stupid Question Day
September 28 – International Rabbit Day
September 28 – National Good Neighbor Day
September 28 – International Lace Day
September 28 – National Hunting And Fishing Day
September 29 – Confucius Day
September 29 – International Day Of The Deaf
September 29 – Mutation Day
September 29 – National Biscotti Day
September 30 – International Translation Day
September 30 – National Mulled Cider Day
September 30 – National Mud Pack Day

October

October 1 – International Day For The Elderly
October 1 – National Homemade Cookies Day
October 1 – World Vegetarian Day
October 1 – CD Player Day
October 1 – Model T Day
October 1 – Vegan Baking Day
October 1 – Willy Wonka Day
October 2 – Coffee With A Cop Day
October 2 – Guardian Angels Day
October 2 – International Day Of Non-Violence
October 2 – National Custodial Worker Day
October 2 – National Kale Day
October 2 – Name Your Car Day
October 3 – National Boyfriends’ Day
October 3 – Techies Day
October 3 – Virus Appreciation Day
October 3 – Bring Your Bible To School Day
October 4 – Improve Your Office Day
October 4 – Kids’ Music Day
October 4 – National Golf Day
October 4 – National Frappe Day
October 4 – World Smile Day
October 4 – Vodka Day
October 5 – Chic Spy Day
October 5 – Get Funky Day
October 5 – Do Something Nice Day
October 5 – International Frugal Fun Day
October 5 – World Card Making Day
October 5 – World Teachers’ Day
October 6 – Come And Take It Day
October 6 – Mad Hatter Day
October 6 – Physician Assistant Day
October 6 – Country Inn Bed And Breakfast Day
October 6 – Mad Hatter Day
October 7 – Child Health Day
October 7 – National Forgiveness Day
October 7 – National Inner Beauty Day
October 7 – Bald And Free Day
October 8 – American Touch Tag Day
October 8 – National Face Your Fears Day
October 8 – World Child Development Day
October 8 – National Pierogy Day
October 8 – National Salmon Day
October 9 – Curious Events Day
October 9 – Emergency Nurses Day
October 9 – Fire Prevention Day
October 9 – Leif Erikson Day
October 9 – Moldy Cheese Day
October 9 – Take Your Teddy Bear To Work Day
October 9 – Bullying Prevention Day
October 10 – International Newspaper Carrier Day
October 10 – National Angel Food Cake Day
October 10 – International Day For Natural Disaster Reduction
October 10 – International Stage Management Day
October 10 – Naval Academy Day
October 10 – World Homeless Day
October 11 – It’s My Party Day
October 11 – National Fossil Day
October 11 – World Egg Day
October 12 – Cookbook Launch Day
October 12 – Old Farmers’ Day
October 12 – Moment Of Frustration Day
October 12 – National Gumbo Day
October 12 – Costume Swap Day
October 13 – International Skeptics Day
October 13 – English Language Day
October 13 – International Day For Failure
October 13 – Navy Birthday
October 13 – Pickle Day
October 13 – Silly Sayings Day
October 14 – National Dessert Day
October 14 – Be Bald And Be Free Day
October 14 – Clergy Appreciation Day
October 14 – National Kick Butt Day
October 14 – Native American Day
October 15 – National Grouch Day
October 15 – National Latinyx AIDS Awareness Day
October 15 – National Cake Decorating Day
October 15 – White Cane Safety Day
October 16 – Bosses Day
October 16 – Dictionary Day
October 16 – Department Store Day
October 16 – Global Cat Day
October 16 – Hagfish Day
October 16 – World Food Day
October 16 – Take Your Parents To Lunch Day
October 17 – National Pasta Day
October 17 – Wear Something Gaudy Day
October 17 – Mulligan Day
October 17 – Get Smart About Credit Day
October 17 – Conflict Resolution Day
October 17 – National Depression Screening Day
October 18 – No Beard Day
October 18 – Global Champagne Day
October 18 – International Necktie Day
October 18 – Mammography Day
October 18 – Meatloaf Appreciation Day
October 19 – Evaluate Your Life Day
October 19 – Bridge Day
October 19 – Sweetest Day
October 20 – Brandied Fruit Day
October 20 – Miss American Rose Day
October 20 – National Youth Conference Day
October 20 – World Toy Camera Day
October 21 – Babbling Day
October 21 – Count Your Buttons Day
October 21 – National Pumpkin Cheesecake Day
October 21 – Celebration Of The Mind Day
October 21 – Reptile Awareness Day
October 22 – National Nut Day
October 22 – International Stuttering Awareness Day
October 22 – National Nut Day
October 22 – Smart Is Cool Day
October 23 – National Mole Day
October 23 – TV Talk Show Host Day
October 23 – Ipod Day
October 23 – TV Talk Show Host Day
October 23 – Unity Day
October 24 – National Bologna Day
October 24 – United Nations Day
October 24 – Food Day
October 24 – World Development Day
October 25 – Punk For A Day Day
October 25 – World Pasta Day
October 25 – International Artists’ Day
October 25 – International Bandanna Day
October 25 – National Breadstick Day
October 25 – World Pasta Day
October 26 – Howl At The Moon Day 
October 26 – Make A Difference Day
October 26 – National Mincemeat Day
October 27 – Mother-In-Law Day
October 27 – National Tell-A-Story Day
October 27 – Navy Day
October 27 – Visit A Cemetery Day
October 28 – Plush Animal Lovers’ Day
October 28 – Champagne Day
October 28 – St. Jude’s Day
October 28 – World Stroke Day
October 29 – Hermit Day
October 29 – Internet Day
October 29 – National Cat Day
October 30 – Checklist Day
October 30 – National Candy Corn Day
October 30 – Mischief Night
October 30 – Create A Great Funeral Day
October 30 – Haunted Refrigerator Night
October 31 – Carve A Pumpkin Day
October 31 – National Caramel Apple Day
October 31 – World Cities Day
October 31 – Increase Your Psychic Powers Day

November

November 1 – All Saint’s Day
November 1 – All Soul’s Day
November 1 – Authors’ Day
November 1 – Calzone Day
November 1 – Hockey Mask Day
November 2 – Deviled Egg Day
November 2 – Look For Circles Day
November 2 – Plan Your Epitaph Day
November 2 – Bison Day
November 2 – Sausage And Kraut Day
November 3 – Housewives’ Day
November 3 – Sandwich Day
November 3 – Cliché Day
November 3 – Public Television Day
November 4 – National Chicken Lady Day
November 4 – National Easy-Bake Oven Day
November 4 – National Traffic Professionals’ Day
November 4 – King Tut Day
November 5 – National Love Your Red Hair Day
November 5 – World Tsunami Awareness Day
November 5 – Gunpowder Day
November 5 – Guy Fawkes Day
November 6 – National Nacho Day
November 6 – National Block It Out Day
November 6 – Marooned Without A Compass Day
November 6 – Saxophone Day
November 7 – Employee Brotherhood Day
November 7 – International Merlot Day
November 7 – Bittersweet Chocolate With Almonds Day
November 8 – Cook Something Bold Day
November 8 – Dunce Day
November 8 – X-Ray Day
November 8 – Shakespeare Authorship Mystery Day
November 9 – Chaos Never Dies Day
November 9 – Birth Of The Bob
November 9 – Domino Day
November 9 – Carl Sagan Day
November 9 – Microtia Awareness Day
November 10 – Forget-Me-Not Day
November 10 – USMC Day
November 10 – Area Code Day
November 10 – Sesame Street Day
November 10 – Marine Corps Day
November 11 – Veteran’s Day
November 11 – Death / Duty Day
November 11 – Rep Lipstick Day
November 11 – World Orphans’ Day
November 12 – Chicken Soup For The Soul Day
November 12 – Young Readers’ Day
November 12 – National French Dip Day
November 13 – Caregiver Appreciation Day
November 13 – National Indian Pudding Day
November 13 – Sadie Hawkins Day
November 13 – World Kindness Day
November 14 – Operating Room Nurse Day
November 14 – World Diabetes Day
November 14 – National Pickle Day
November 14 – National Spicy Guacamole Day
November 14 – World Diabetes Day
November 15 – America Recycles Day
November 15 – Clean Your Refrigerator Day
November 15 – National Philanthropy Day
November 15 – I Love To Write Day
November 15 – America Recycles Day
November 16 – Button Day
November 16 – Have A Party With Your Bear Day
November 16 – International Tolerance Day
November 16 – National Fast Food Day
November 17 – Petroleum Day
November 17 – Electric Greeting Card Day
November 17 – Homemade Bread Day
November 17 – Take A Hike Day
November 17 – World Peace Day
November 18 – Occult Day
November 18 – European Antibiotic Awareness Day
November 18 – Married To A Scorpio Support Day
November 18 – Mickey Mouse Day
November 18 – National Princess Day
November 19 – Have A Bad Day Day
November 19 – Rocky And Bullwinkle Day
November 19 – Women Entrepreneurship Day
November 19 – World Philosophy Day
November 20 – Absurdity Day
November 20 – Beautiful Day
November 20 – Universal Children’s Day
November 20 – Name Your PC Day
November 20 – African Industrialization Day
November 20 – Universal Children’s Day
November 20 – Transgender Day Of Remembrance
November 21 – World Pancreatic Cancer Day
November 21 – Use Less Stuff Day
November 21 – World Television Day
November 21 – False Confession Day
November 21 – Great American Smokeout
November 21 – World Hello Day
November 22 – Go For A Ride Day
November 22 – Humane Society Day
November 22 – Substitute Educators’ Day
November 23 – National Adoption Day
November 23 – Fibonacci Day
November 23 – National Cashew Day
November 23 – National Espresso Day
November 24 – Celebrate Your Unique Talent Day
November 24 – Mother Goose Day
November 24 – Crystal Skull World Day
November 24 – All Our Uncles Are Monkeys Day
November 24 – Evolution Day
November 25 – National Parfait Day
November 25 – Blasé Day
November 25 – International Hat Day
November 26 – Shopping Reminder Day
November 27 – National Jukebox Day
November 27 – Spitegiving
November 27 – National Tie One On Day
November 27 – Pins And Needles Day
November 28 – French Toast Day
November 28 – Make Your Own Head Day
November 28 – Red Planet Day
November 28 – National Day Of Mourning  
November 29 – Buy Nothing Day
November 29 – Square Dance Day
November 29 – You’re Welcome Day
November 29 – Flossing Day
November 29 – Maize Day
November 30 – Stay At Home Because You Are Well Day
November 30 – National Meth Awareness Day
November 30 – Computer Security Day
November 30 – National Mason Jar Day

December

December 1 – Eat A Red Apple Day
December 1 – World Aids Awareness Day
December 1 – Antarctica Day
December 1 – Basketball Day
December 1 – Rosa Parks Day
December 2 – National Fritters Day
December 2 – Special Education Day
December 2 – Safety Razor Day
December 3 – National Roof Over Your Head Day
December 3 – International Day Of Persons With Disabilities
December 4 – Santa’s List Day
December 4 – National Dice Day
December 4 – World Trick Shot Day
December 4 – Wear Brown Shoes Day
December 4 – Special Kids Day
December 5 – World Soil Day
December 5 – Bathtub Party Day
December 5 – Repeal Day
December 5 – National Package Protection Day
December 5 – Bathtub Day
December 6 – Miners’ Day
December 6 – St. Nicholas Day
December 6 – Mitten Tree Day
December 6 – Put On Your Own Shoes Day
December 7 – International Civic Aviation Day
December 7 – Letter Writing Day
December 7 – National Cotton Candy Day
December 7 – Bartender Appreciation Day
December 7 – International Civil Aviation Day
December 7 – World Pear Day
December 8 – National Brownie Day
December 8 – Take It In The Ear Day
December 8 – Pretend To Be A Time Traveler Day
December 8 – National Day Of Lard
December 9 – Christmas Card Day
December 9 – International Children’s Day
December 9 – National Pastry Day
December 9 – Cremation Day
December 9 – International Anti-Corruption Day
December 10 – Human Rights Day
December 10 – Dewey Decimal System Day
December 10 – Human Rights Day
December 10 – International Animal Rights Day
December 10 – Nobel Prize Day
December 11 – International Mountain Day
December 11 – Kaleidoscope Day
December 11 – National App Day
December 11 – National Noodle Ring Day
December 12 – National Ding-A-Ling Day
December 12 – Poinsettia Day
December 12 – Gingerbread House Day
December 12 – National Lost Day
December 13 – Ice Cream Day
December 13 – Violin Day
December 13 – National Guard Birthday
December 13 – National Day Of The Horse
December 14 – International Monkey Day
December 14 – National Bouillabaisse Day
December 14 – Roast Chestnuts Day
December 14 – Yoga Day
December 15 – Bill Of Rights Day
December 15 – National Lemon Cupcake Day
December 15 – National Wear Your Pearls Day
December 16 – National Chocolate Covered Anything Day
December 16 – Barbie And Barney Backlash Day
December 16 – National Chocolate-Covered Anything Day
December 17 – National Maple Syrup Day
December 17 – Wright Brothers’ Day
December 17 – Clean Air Day
December 18 – Give A Wine Club Day
December 18 – Arabic Language Day
December 18 – Bake Cookies Day
December 18 – National Roast Suckling Pig Day
December 19 – Look For An Evergreen Day
December 19 – Oatmeal Muffin Day
December 19 – National Re-Gifting Day
December 19 – Free Shipping Day
December 20 – Go Carling Day
December 20 – Mudd Day
December 20 – National Sangria Day
December 20 – Poet Laureate Day
December 20 – Underdog Day
December 21 – Crossword Puzzle Day
December 21 – Forefather’s Day
December 21 – Humbug Day
December 21 – Look At The Bright Side Day
December 21 – National Flashlight Day
December 22 – National Date Nut Bread Day
December 22 – Be A Lover Of Silence Day
December 23 – Festivus
December 23 – Human Light Celebration Day
December 23 – Metric Conversion Day
December 23 – Roots Day
December 24 – National Chocolate Day
December 24 – National Eggnog Day
December 24 – A’phabet Day (No “L” Day)
December 25 – National Pumpkin Pie Day
December 25 – Christmas Pudding Day
December 26 – Boxing Day
December 26 – National Thank-You Note Day
December 27 – Free Balloon Day
December 27 – Howdy Doody Day
December 27 – Make Cut Out Snowflakes Day
December 27 – National Fruitcake Day
December 28 – Card Playing Day
December 28 – Endangered Species Act Day
December 28 – Pledge Of Allegiance Day
December 29 – Pepper Pot Day
December 29 – Tick Tock Day
December 30 – Bacon Day
December 30 – National Bicarbonate Of Soda Day
December 30 – No Interruptions Day  
December 31 – Make Up Your Mind Day
December 31 – Unlucky Day
December 31 – Universal Hour Of Peace Day
December 31 – World Healing Day
December 31 – World Peace Meditation Day

Let me know what you think of this list of updated weird holidays! And if you decide to run any promotions based on one of these days, I want to hear about that too. :-) Leave a comment below!

How's this for an excuse to advertise an ecommerce product? (Weird holiday guide for 2019)
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