Calendar of All "National ___ Days" in 2021

January 12, 202110 minutes
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Whether you’re building a following on social media, growing your audience, or just staying connected to your thriving community, staying consistent and regular with your posting is the key to success.

Often, one of the hardest parts of that consistency is finding relevant, engaging content, and content your followers will respond to in some way.

For several years now, so-called "social media holidays" have become a sure-fire crowd pleaser, and an awesome way to stay part of the conversation when you may not otherwise have anything to share. These holidays, sometimes called National ___ Days, are largely made-up days to celebrate things that are a little off the beaten path. Ever heard of National Bagel Day? How about Denim Day? And who doesn’t love bundling up, sipping hot cocoa, and enjoying their favorite carols on National Earl Day?

Ugh...aren’t social media holidays so played out?

Not at all! These holidays work because they’re so niche and goofy, people can’t help but participate. It’s easy content, it’s fun for your followers, and makes starting your brand’s conversation that much easier.

To help you in that process, we’ve put together a list of 366 of our favorite holidays for 2021 – one for every day!

Don’t forget that the most important thing about social media holidays and social media in general is relevance. If you’re a pediatric clinic, maybe National Catfish Day isn’t the right message to blast across Facebook. Only share content that’s relevant to your audience to retain and grow. Connecting to your audience on their level and with their interests is the cornerstone of good organic social marketing.

Now, enough of the yadda yadda, give us the holidays!

Want these days as an ICS calendar you can add to your phone or calendar app? Maybe a PDF you can print off for your office? Provide your email below and we’ll send them both right over to you!

2021 National Days/Social Media Holidays Calendar

January 01New Year's Day
January 02National Science Fiction Day
January 03National Chocolate Covered Cherry Day
January 04National Thank God It's Monday Day
January 05National Keto Day
January 06National Bean Day
January 07National Bobblehead Day
January 08National Argyle Day
January 09National Law Enforcement Appreciation Day
January 10National Sunday Supper Day
January 11National Arkansas Day
January 12National Pharmacist Day
January 13National Clean Off Your Desk Day
January 14National Shop For Travel Day
January 15National Bagel Day
January 16National Fig Newton Day
January 17National Hot Buttered Rum Day
January 18Martin Luther King Jr. Day
January 19World Quark Day
January 20National Disc Jockey Day
January 21National Granola Bar Day
January 22Library Shelfie Day
January 23National Handwriting Day
January 24Beer Can Appreciation Day
January 25National Irish Coffee Day
January 26National Spouses Day
January 27National Chocolate Cake Day
January 28National Plan For Vacation Day
January 29National Corn Chip Day
January 30National Croissant Day
January 31National Big Wig Day
February 01Ice Cream For Breakfast Day
February 02National Groundhog Day
February 03National Football Hangover Day
February 04National Hemp Day
February 05National Weatherperson's Day
February 06National Chopsticks Day
February 07Bubble Gum Day
February 08Global Movie Day
February 09National Bagel And Lox Day
February 10National Cream Cheese Brownie Day
February 11Safer Internet Day Us
February 12National Plum Pudding Day
February 13National Giving Hearts Day
February 14National Organ Donor Day
February 15Presidents Day
February 16National Almond Day
February 17Ash Wednesday
February 18National Drink Wine Day
February 19National Vet Girls Rise Day
February 20National Muffin Day
February 21National Grain-Free Day
February 22National Cook A Sweet Potato Day
February 23National Tile Day
February 24National Tortilla Chip Day
February 25Paczki Day
February 26National Chili Day
February 27Anosmia Awareness Day
February 28National Chocolate Souffle Day
February 29National Time Refund Day
March 01Finisher's Medal Day
March 02World Teen Mental Wellness Day
March 03National Mulled Wine Day
March 04National Pound Cake Day
March 05National Cheese Doodle Day
March 06National White Chocolate Cheesecake Day
March 07National Be Heard Day
March 08Daylight Saving Time
March 09National Napping Day
March 10National Mario Day
March 11National Registered Dietitian Nutritionist Day
March 12National Plant A Flower Day
March 13National Jewel Day
March 14National Pi Day
March 15Everything You Think Is Wrong Day
March 16National Artichoke Hearts Day
March 17National Corned Beef And Cabbage Day
March 18National Awkward Moments Day
March 19National Farm Rescuer Day
March 20National Kick Butts Day
March 21National Quilting Day
March 22National West Virginia Day
March 23National Puppy Day
March 24National Cheesesteak Day
March 25Tolkien Reading Day
March 26Epilepsy Awareness Day -Purple Day
March 27National Scribble Day
March 28National Weed Appreciation Day
March 29National Vietnam War Veterans Day
March 30National Doctors Day
March 31National Equal Pay Day
April 01April Fools Day
April 02National Ferret Day
April 03National Tweed Day
April 04National Walk Around Things Day
April 05First Contact
April 06National Student-Athlete Day
April 07Saam Day Of Action
April 08National All Is Ours Day
April 09National Cherish An Antique Day
April 10National Cinnamon Crescent Day
April 11National Barber Shop Quartet Day
April 12National For Twelves Day
April 13National Make Lunch Count Day
April 14National Look Up At The Sky Day
April 15National Banana Day
April 16National Bean Counter Day
April 17National Crawfish Day
April 18National Animal Crackers Day
April 19National Garlic Day
April 20National Cheddar Fries Day
April 21National Library Workers Day
April 22National Bookmobile Day
April 23National Take A Chance Day
April 24National Teach Children To Save Day
April 25National Telephone Day
April 26National Pet Parents Day
April 27National Devil Dog Day
April 28National Superhero Day
April 29Denim Day
April 30National Military Brats Day
May 01School Lunch Hero Day
May 02National Start Seeing Monarchs Day
May 03National Melanoma Monday
May 04National Star Wars Day
May 05National Foster Care Day
May 06National Beverage Day
May 07National Barrier Awareness Day
May 08National Military Spouse Appreciation Day
May 09National Birth Mother's Day
May 10National Clean Up Your Room Day
May 11National Eat What You Want Day
May 12National Nutty Fudge Day
May 13National Third Shift Workers Day
May 14National Buttermilk Biscuit Day
May 15Nascar Day
May 16National Sea Monkey Day
May 17National Pack Rat Day
May 18National Cheese Souffle Day
May 19National May Ray Day
May 20National Be A Millionaire Day
May 21National Strawberries And Cream Day
May 22National Buy A Musical Instrument Day
May 23National Lucky Penny Day
May 24National Escargot Day
May 25Memorial Day
May 26National Paper Airplane Day
May 27National Grape Popsicle Day
May 28National Hamburger Day
May 29National Coq Au Vin Day
May 30National Creativity Day
May 31Memorial Day
June 01National Nail Polish Day
June 02National Leave The Office Early Day
June 03Chocolate Macaroons Day
June 04National Clean Beauty Day
June 05National Moonshine Day
June 06National Eyewear Day
June 07National Boone Day
June 08National Upsy Daisy Day
June 09National Earl Day
June 10National Herbs And Spices Day
June 11National German Chocolate Cake Day
June 12National Peanut Butter Cookie Day
June 13National Rosé Day
June 14National Children's Day
June 15National Smile Power Day
June 16National Fudge Day
June 17National Mascot Day
June 18National Career Nurse Assistants’ Day
June 19National Garfield The Cat Day
June 20National American Eagle Day
June 21National Arizona Day
June 22National Hvac Tech Day
June 23National Pink Day
June 24National Pralines Day
June 25National Catfish Day
June 26National Beautician's Day
June 27National Orange Blossom Day
June 28National Paul Bunyan Day
June 29National Camera Day
June 30Social Media Day
July 01National Postal Worker Day
July 02National Anisette Day
July 03National Eat Your Beans Day
July 04Independence Day
July 05National Hawaii Day
July 06National Hand Roll Day
July 07National Dive Bar Day
July 08National Chocolate With Almonds Day
July 09National Sugar Cookie Day
July 10Collector Car Appreciation Day
July 11National 7-Eleven Day
July 12Paper Bag Day
July 13National French Fry Day
July 14National Tape Measure Day
July 15National Pet Fire Safety Day
July 16National Personal Chef Day
July 17National Peach Ice Cream Day
July 18National Caviar Day
July 19National Daiquiri Day
July 20National Moon Day
July 21National Be Someone Day
July 22National Hammock Day
July 23Gorgeous Grandma Day
July 24National Drive-Thru Day
July 25National Wine And Cheese Day
July 26National Talk In An Elevator Day
July 27National Love Is Kind Day
July 28National Parents’ Day
July 29National Lasagna Day
July 30National Whistleblower Day
July 31National Avocado Day
August 01Respect For Parents Day
August 02National Water Balloon Day
August 03National Jamaican Patty Day
August 04National Friendship Day
August 05National Work Like A Dog Day
August 06National Wiggle Your Toes Day
August 07National Lighthouse Day
August 08Global Sleep Under The Stars Night
August 09National Book Lovers Day
August 10National Shapewear Day
August 11National Spirit Of ’45 Day
August 12National Vinyl Record Day
August 13National Prosecco Day
August 14National Creamsicle Day
August 15National Relaxation Day
August 16National Roller Coaster Day
August 17Black Cat Appreciation Day
August 18National Fajita Day
August 19National Aviation Day
August 20National Chocolate Pecan Pie Day
August 21Brazilian Blowout Day
August 22National Be An Angel Day
August 23National Ride The Wind Day
August 24National Maryland Day
August 25National Banana Split Day
August 26National Webmistress Day
August 27National Pots De Creme Day
August 28National Power Rangers Day
August 29National Chop Suey Day
August 30National Toasted Marshmallow Day
August 31National Diatomaceous Earth Day
September 01National No Rhyme (Nor Reason) Day
September 02National V-J Day
September 03U.S. Bowling League Day
September 04National Wildlife Day
September 05National Cheese Pizza Day
September 06Labor Day
September 07National Tailgating Day
September 08National Pet Memorial Day
September 09Care Bears™ Share Your Care Day
September 10National Swap Ideas Day
September 11National Make Your Bed Day
September 12Day Of The Programmer
September 13National Bald Is Beautiful Day
September 14National Virginia Day
September 15National Neonatal Nurses Day
September 16National Guacamole Day
September 17National Professional House Cleaners Day
September 18National Hug Your Boss Day
September 19National Pawpaw Day
September 20National Fried Rice Day
September 21National Chai Day
September 22National Girls’ Night In Day
September 23Autumnal Equinox
September 24National Voter Registration Day
September 25National Women's Health & Fitness Day
September 26National Singles Day
September 27National Chocolate Milk Day
September 28National North Carolina Day
September 29National Coffee Day
September 30National Love People Day
October 01National Fruit At Work Day
October 02National Produce Misting Day
October 03National Techies Day
October 04National Goe Day
October 05National Apple Betty Day
October 06National Coaches Day
October 07National Consignment Day
October 08American Touch Tag Day
October 09National Moldy Cheese Day
October 10National Handbag Day
October 11National Coming Out Day
October 12National Chess Day
October 13Metastatic Breast Cancer Awareness Day
October 14National Online Bank Day
October 15National Shawarma Day
October 16National Sports Day
October 17National Get Smart About Credit Day
October 18National Mammography Day
October 19National Sweetest Day
October 20National Brandied Fruit Day
October 21National Reptile Awareness Day
October 22National Nut Day
October 23Swallows Depart From San Juan Capistrano Day
October 24National Food Day
October 25National Greasy Foods day
October 26National Trick Or Treat Day
October 27National Mother-In-Law Day
October 28National Internal Medicine Day
October 29National Frankenstein Friday
October 30Speak Up For Service Day
October 31Girl Scout Founder's Day
November 01National Vinegar Day
November 02National Bison Day
November 03Daylight Saving Time Ends
November 04Color The World Orange Day
November 05National Love Your Red Hair Day
November 06National Saxophone Day
November 07National Bittersweet Chocolate With Almonds Day
November 08National Cappuccino Day
November 09National Scrapple Day
November 10National Forget-Me-Not Day
November 11Veterans Day
November 12National Chicken Soup For The Soul Day
November 13National Indian Pudding Day
November 14National Family Pj Day
November 15National Raisin Bran Cereal Day
November 16National Button Day
November 17National Homemade Bread Day
November 18National Vichyssoise Day
November 19National Carbonated Beverage With Caffeine Day
November 20National Education Support Professionals Day
November 21National Gingerbread Cookie Day
November 22National Cranberry Relish Day
November 23National Adoption Day
November 24National Sardines Day
November 25Thanksgiving Day
November 26You’re Welcomegiving Day
November 27National Tie One On Day
November 28National Chocolate Day
November 29Cyber Monday
November 30Computer Security Day
December 01Bifocals At The Monitor Liberation Day
December 02National Mutt Day
December 03National Roof Over Your Head Day
December 04National Package Protection Day
December 05Bathtub Party Day
December 06National Microwave Oven Day
December 07National Pearl Harbor Remembrance Day
December 08Pretend To Be A Time Traveler Day
December 09Weary Willie Day
December 10Nobel Prize Day
December 11National Noodle Ring Day
December 12National Ding-A-Ling Day
December 13National Cocoa Day
December 14National Bouillabaisse Day
December 15National Wear Your Pearls Day
December 16National Chocolate Covered Anything Day
December 17Wright Brothers Day
December 18National Twin Day
December 19National Re-Gifting Day
December 20National Ugly Christmas Sweater Day
December 21Yule
December 22Anne And Samantha Day
December 23Chanukah
December 24Christmas Eve
December 25Christmas
December 26National Candy Cane Day
December 27National Fruitcake Day
December 28Pledge Of Allegiance Day
December 29Tick Tock Day
December 30National Bicarbonate Of Soda Day
December 31National Champagne Day

Whew! That’s it, one holiday for every day of the year.

What days did we miss? Comment your favorite below, or email us and let us know.

Don’t forget, if you want this calendar for iCal, Google Calendar, and any other app, plus a printable PDF and other great social media marketing resources, drop your email below!

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