Fun days
470 days, in calendar order. Dates are for the next time each one comes around.
January
- National Hangover DayJan 1
- Polar Bear Plunge DayJan 1
- Happy Mew Year for Cats DayJan 2
- Festival of Sleep DayJan 3
- Fruitcake Toss DayJan 3
- National Trivia DayJan 4
- National Cuddle Up DayJan 6
- National Take Down the Christmas Tree DayJan 6
- National Bobblehead DayJan 7
- Old Rock DayJan 7
- National Argyle DayJan 8
- National Bubble Bath DayJan 8
- National Static Electricity DayJan 9
- Step in a Puddle and Splash Your Friends DayJan 11
- National Rubber Ducky DayJan 13
- National Sticker DayJan 13
- National Dress Up Your Pet DayJan 14
- National Hat DayJan 15
- Appreciate a Dragon DayJan 16
- National Nothing DayJan 16
- Ditch New Year's Resolutions DayJan 17
- Popeye DayJan 17
- Winnie the Pooh DayJan 18
- National Hugging DayJan 21
- One-Liners DayJan 21
- Answer Your Cat's Questions DayJan 22
- National Polka Dot DayJan 22
- Measure Your Feet DayJan 23
- Global Belly Laugh DayJan 24
- National Compliment DayJan 24
- Bubble Wrap Appreciation DayJan 25
- National Opposite DayJan 25
- International LEGO DayJan 28
- National Kazoo DayJan 28
- National Puzzle DayJan 29
- National Draw a Dinosaur DayJan 30
- Yodel for Your Neighbors DayJan 30
- National Backward DayJan 31
- National Gorilla Suit DayJan 31
February
- Decorating With Candy DayFeb 1
- Groundhog DayFeb 2
- National Create a Vacuum DayFeb 4
- Bubble Gum DayFeb 5
- Ice Cream for Breakfast DayFeb 6
- National Chopsticks DayFeb 6
- National Send a Card to a Friend DayFeb 7
- Wave All Your Fingers at Your Neighbors DayFeb 7
- National Kite Flying DayFeb 8
- Mardi GrasFeb 9
- Read in the Bathtub DayFeb 9
- National Umbrella DayFeb 10
- National Don't Cry Over Spilled Milk DayFeb 11
- National Make a Friend DayFeb 11
- National Lost Penny DayFeb 12
- Galentine's DayFeb 13
- Get a Different Name DayFeb 13
- Big Game SundayFeb 14
- National Ferris Wheel DayFeb 14
- Valentine's DayFeb 14
- Singles Awareness DayFeb 15
- Do a Grouch a Favor DayFeb 16
- Random Acts of Kindness DayFeb 17
- Hoodie Hoo DayFeb 20
- Be Humble DayFeb 22
- Inconvenience Yourself DayFeb 24
- National Tell a Fairy Tale DayFeb 26
- No Brainer DayFeb 27
- Pokémon DayFeb 27
- National Public Sleeping DayFeb 28
- Leap DayFeb 29
March
- Share a Smile DayMar 1
- Old Stuff DayMar 2
- National If Pets Had Thumbs DayMar 3
- March ForthMar 4
- Cinco de MarchoMar 5
- National Potty Dance DayMar 5
- National Dress DayMar 6
- False Teeth DayMar 9
- Get Over It DayMar 9
- National Barbie DayMar 9
- Mario DayMar 10
- Debunking DayMar 11
- National Dream DayMar 11
- National Promposal DayMar 11
- National Earmuff DayMar 13
- National Jewel DayMar 13
- National Open an Umbrella Indoors DayMar 13
- Pi DayMar 14
- True Confessions DayMar 15
- Lips Appreciation DayMar 16
- St. Urho's DayMar 16
- St. Patrick's DayMar 17
- Awkward Moments DayMar 18
- National Let's Laugh DayMar 19
- Alien Abduction DayMar 20
- National Proposal DayMar 20
- Snowman Burning DayMar 20
- National Common Courtesy DayMar 21
- National Fragrance DayMar 21
- As Young as You Feel DayMar 22
- National Goof Off DayMar 22
- OK DayMar 23
- National Make Up Your Own Holiday DayMar 26
- National Joe DayMar 27
- National Scribble DayMar 27
- Quirky Country Music Song Titles DayMar 27
- National Hot Tub DayMar 28
- National Something on a Stick DayMar 28
- Dyngus DayMar 29
- Smoke and Mirrors DayMar 29
- National Virtual Vacation DayMar 30
- National Crayon DayMar 31
- National Little Red Wagon DayMar 31
- National Prom DayMar 31
- World Backup DayMar 31
April
- April Fools' DayApr 1
- American Circus DayApr 3
- Tweed DayApr 3
- 404 DayApr 4
- National Hug a Newsperson DayApr 4
- National Walk Around Things DayApr 4
- Tell a Lie DayApr 4
- First Contact DayApr 5
- National No Housework DayApr 7
- National Name Yourself DayApr 9
- National Unicorn DayApr 9
- International Louie Louie DayApr 11
- National Ex-Spouse DayApr 14
- Take a Wild Guess DayApr 15
- Tax DayApr 15
- National Bean Counters DayApr 16
- National Wear Your Pajamas to Work DayApr 16
- Blah Blah Blah DayApr 17
- National Piñata DayApr 18
- National Velociraptor Awareness DayApr 18
- Pet Owners Independence DayApr 18
- National Hanging Out DayApr 19
- National Look-Alike DayApr 20
- Big Word DayApr 21
- National Picnic DayApr 23
- National Take a Chance DayApr 23
- Talk Like Shakespeare DayApr 23
- National Mani-Pedi DayApr 25
- Alien DayApr 26
- National Static Cling DayApr 26
- National Cubicle DayApr 28
- National Kiss Your Mate DayApr 28
- National Superhero DayApr 28
- National Bugs Bunny DayApr 30
- National Hairball Awareness DayApr 30
- National Honesty DayApr 30
- National Mr. Potato Head DayApr 30
May
- Free Comic Book DayMay 1
- Lei DayMay 1
- National Lemonade DayMay 2
- World Laughter DayMay 2
- Lumpy Rug DayMay 3
- National Paranormal DayMay 3
- National Two Different Colored Shoes DayMay 3
- Star Wars DayMay 4
- Cinco de MayoMay 5
- National No Pants DayMay 7
- No Socks DayMay 8
- Lost Sock Memorial DayMay 9
- National Clean Up Your Room DayMay 10
- Trust Your Intuition DayMay 10
- Eat What You Want DayMay 11
- Limerick DayMay 12
- National Frog Jumping DayMay 13
- National Leprechaun DayMay 13
- Dance Like a Chicken DayMay 14
- Straw Hat DayMay 15
- National Sea Monkey DayMay 16
- Pack Rat DayMay 17
- National No Dirty Dishes DayMay 18
- Be a Millionaire DayMay 20
- National Pizza Party DayMay 21
- Lucky Penny DayMay 23
- International Tiara DayMay 24
- National Scavenger Hunt DayMay 24
- Towel DayMay 25
- National Paper Airplane DayMay 26
- Nothing to Fear DayMay 27
- National Cooler DayMay 28
- National Road Trip DayMay 28
- Put a Pillow on Your Fridge DayMay 29
- National Smile DayMay 31
- National Speak in Complete Sentences DayMay 31
June
- Flip a Coin DayJun 1
- National Go Barefoot DayJun 1
- National Nail Polish DayJun 1
- National I Love My Dentist DayJun 2
- National Leave the Office Early DayJun 2
- National Repeat DayJun 3
- Hot Air Balloon DayJun 5
- National Yo-Yo DayJun 6
- Name Your Poison DayJun 8
- National Best Friends DayJun 8
- Upsy Daisy DayJun 8
- Donald Duck DayJun 9
- National Kitchen Klutzes of America DayJun 13
- National Pop Goes the Weasel DayJun 14
- Sneak a Kiss DayJun 15
- National Mascot DayJun 17
- International Panic DayJun 18
- International Picnic DayJun 18
- National Flip Flop DayJun 18
- National Splurge DayJun 18
- National Selfie DayJun 21
- Take Your Cat to Work DayJun 21
- National Kissing DayJun 22
- National Pink DayJun 23
- Pink Flamingo DayJun 23
- Take Your Dog to Work DayJun 25
- National Bingo DayJun 27
- National Sunglasses DayJun 27
- Paul Bunyan DayJun 28
- Tau DayJun 28
- National OOTD DayJun 30
- Social Media DayJun 30
July
- International Joke DayJul 1
- National Creative Ice Cream Flavors DayJul 1
- I Forgot DayJul 2
- World UFO DayJul 2
- Air Conditioning Appreciation DayJul 3
- National Compliment Your Mirror DayJul 3
- Sidewalk Egg Frying DayJul 4
- National Bikini DayJul 5
- National Workaholics DayJul 5
- International Kissing DayJul 6
- Take Your Webmaster to Lunch DayJul 6
- National Dive Bar DayJul 7
- Be a Kid Again DayJul 8
- National Freezer Pop DayJul 8
- National Video Game DayJul 8
- National Don't Put All Your Eggs in One Omelet DayJul 9
- Teddy Bear Picnic DayJul 10
- Free Slurpee DayJul 11
- National Swimming Pool DayJul 11
- National Different Colored Eyes DayJul 12
- National Eat Your Jello DayJul 12
- Embrace Your Geekness DayJul 13
- Pandemonium DayJul 14
- Gummi Worm DayJul 15
- National Be a Dork DayJul 15
- World Emoji DayJul 17
- Yellow Pig DayJul 17
- National Sour Candy DayJul 18
- Stick Out Your Tongue DayJul 19
- National Fortune Cookie DayJul 20
- National Lollipop DayJul 20
- National Junk Food DayJul 21
- Take a Monkey to Lunch DayJul 21
- National Hammock DayJul 22
- Pi Approximation DayJul 22
- Spoonerism DayJul 22
- Hot Enough For Ya DayJul 23
- National Drive-Thru DayJul 24
- National Tell an Old Joke DayJul 24
- National Carousel DayJul 25
- National All or Nothing DayJul 26
- Take Your Houseplants for a Walk DayJul 27
- Walk on Stilts DayJul 27
- National Waterpark DayJul 28
- National Lipstick DayJul 29
- National Talk in an Elevator DayJul 30
- System Administrator Appreciation DayJul 30
- National Jump for Jelly Beans DayJul 31
August
- Friendship DayAug 1
- National Girlfriends DayAug 1
- Spider-Man DayAug 1
- National Coloring Book DayAug 2
- Clean Your Floors DayAug 3
- National Underwear DayAug 5
- Work Like a Dog DayAug 5
- National Fresh Breath DayAug 6
- Wiggle Your Toes DayAug 6
- National Sea Serpent DayAug 7
- National Sneak Some Zucchini Onto Your Neighbor's Porch DayAug 8
- National Lazy DayAug 10
- National S'mores DayAug 10
- Presidential Joke DayAug 11
- National Middle Child DayAug 12
- International Left-Handers DayAug 13
- National Bowling DayAug 14
- National Garage Sale DayAug 14
- National Relaxation DayAug 15
- National Roller Coaster DayAug 16
- National Tell a Joke DayAug 16
- National I Love My Feet DayAug 17
- Bad Poetry DayAug 18
- Serendipity DayAug 18
- National Tooth Fairy DayAug 22
- National Ride the Wind DayAug 23
- Pluto Demoted DayAug 24
- Kiss and Make Up DayAug 25
- National Toilet Paper DayAug 26
- National Just Because DayAug 27
- National Bow Tie DayAug 28
- Frankenstein DayAug 30
- National Beach DayAug 30
- Slinky DayAug 30
- Eat Outside DayAug 31
- National Matchmaker DayAug 31
September
- Calendar Adjustment DaySep 2
- Skyscraper DaySep 3
- Eat an Extra Dessert DaySep 4
- Be Late for Something DaySep 5
- Fight Procrastination DaySep 6
- National Ampersand DaySep 8
- Star Trek DaySep 8
- National Teddy Bear DaySep 9
- National TV Dinner DaySep 10
- Swap Ideas DaySep 10
- National Make Your Bed DaySep 11
- National Day of EncouragementSep 12
- Positive Thinking DaySep 13
- Make a Hat DaySep 15
- National Play-Doh DaySep 16
- First Love DaySep 18
- Locate an Old Friend DaySep 18
- National Dance DaySep 18
- International Talk Like a Pirate DaySep 19
- Meow Like a Pirate DaySep 19
- Miniature Golf DaySep 21
- Hobbit DaySep 22
- Go With Your Gut DaySep 23
- Bluebird of Happiness DaySep 24
- National Punctuation DaySep 24
- National Comic Book DaySep 25
- National One-Hit Wonder DaySep 25
- Lumberjack DaySep 26
- National Crush a Can DaySep 27
- National Scarf DaySep 27
- Ask a Stupid Question DaySep 28
- National Chewing Gum DaySep 30
- National Love People DaySep 30
October
- National Body Language DayOct 2
- National Name Your Car DayOct 2
- Mean Girls DayOct 3
- National Boyfriend DayOct 3
- National Techies DayOct 3
- National Do Something Nice DayOct 5
- National Get Funky DayOct 5
- Mad Hatter DayOct 6
- Curious Events DayOct 9
- National Handbag DayOct 10
- It's My Party DayOct 11
- National Savings DayOct 12
- National Face Your Fears DayOct 13
- National Train Your Brain DayOct 13
- National Bring Your Teddy Bear to School DayOct 14
- National Chocolate-Covered Insect DayOct 14
- I Love Lucy DayOct 15
- National Grouch DayOct 15
- National Boss's DayOct 16
- Sweetest DayOct 16
- National Mulligan DayOct 17
- Wear Something Gaudy DayOct 17
- National No Beard DayOct 18
- Evaluate Your Life DayOct 19
- National New Friends DayOct 19
- Office Chocolate DayOct 20
- Back to the Future DayOct 21
- Count Your Buttons DayOct 21
- International Caps Lock DayOct 22
- National Color DayOct 22
- Mole DayOct 23
- National Horror Movie DayOct 23
- Sourest DayOct 25
- Worldwide Howl at the Moon NightOct 26
- Cranky Co-Workers DayOct 27
- Plush Animal Lover's DayOct 28
- National Hermit DayOct 29
- National Internet DayOct 29
- Frankenstein FridayOct 30
- Haunted Refrigerator NightOct 30
- Mischief NightOct 30
- HalloweenOct 31
- National Knock-Knock Jokes DayOct 31
- National Magic DayOct 31
November
- Look for Circles DayNov 2
- Cliché DayNov 3
- Give Someone a Dollar DayNov 3
- National Easy-Bake Oven DayNov 4
- Use Your Common Sense DayNov 4
- National Love Your Red Hair DayNov 5
- Marooned Without a Compass DayNov 6
- National Basketball DayNov 6
- Hug a Bear DayNov 7
- Abet and Aid Punsters DayNov 8
- National Dunce DayNov 8
- Chaos Never Dies DayNov 9
- Sesame Street DayNov 10
- National Metal DayNov 11
- National Happy Hour DayNov 12
- Sadie Hawkins DayNov 13
- World Kindness DayNov 13
- Loosen Up, Lighten Up DayNov 14
- National American Teddy Bear DayNov 14
- Clean Out Your Refrigerator DayNov 15
- Have a Party With Your Bear DayNov 16
- National Unfriend DayNov 17
- Mickey Mouse DayNov 18
- National Princess DayNov 18
- "Have a Bad Day" DayNov 19
- Play Monopoly DayNov 19
- Name Your PC DayNov 20
- National Absurdity DayNov 20
- Alascattalo DayNov 21
- False Confession DayNov 21
- Go For a Ride DayNov 22
- Fibonacci DayNov 23
- Celebrate Your Unique Talent DayNov 24
- D.B. Cooper DayNov 24
- Blasé DayNov 25
- National Jukebox DayNov 25
- Shopping Reminder DayNov 25
- Good Grief DayNov 26
- Sinkie DayNov 27
- Electronic Greetings DayNov 29
- Throw Out Your Leftovers DayNov 29
- National Personal Space DayNov 30
- National Stay at Home Because You're Well DayNov 30
December
- Bifocals at the Monitor Liberation DayDec 1
- Let's Hug DayDec 3
- National Dice DayDec 4
- National Sock DayDec 4
- Santa's List DayDec 4
- Wear Brown Shoes DayDec 4
- Bathtub Party DayDec 5
- Day of the NinjaDec 5
- National Blue Jeans DayDec 5
- National Microwave Oven DayDec 6
- Put on Your Own Shoes DayDec 6
- National Cotton Candy DayDec 7
- Pretend To Be a Time Traveler DayDec 8
- Take it in the Ear DayDec 8
- Weary Willie DayDec 9
- World Techno DayDec 9
- National App DayDec 11
- National Ding-a-Ling DayDec 12
- Monkey DayDec 14
- Cat Herders DayDec 15
- National Wear Your Pearls DayDec 15
- Stupid Toy DayDec 16
- Answer the Phone Like Buddy the Elf DayDec 18
- National Ugly Christmas Sweater DayDec 18
- National Wear a Plunger on Your Head DayDec 18
- National Emo DayDec 19
- Games DayDec 20
- Go Caroling DayDec 20
- Don't Make Your Bed DayDec 21
- Humbug DayDec 21
- Look on the Bright Side DayDec 21
- National Crossword Puzzle DayDec 21
- National Flashlight DayDec 21
- FestivusDec 23
- National Christmas Movie Marathon DayDec 23
- Last-Minute Shopper's DayDec 24
- No "L" DayDec 25
- National Whiner's DayDec 26
- National Card Playing DayDec 28
- National Download DayDec 28
- Still Need To Do DayDec 29
- Tick Tock DayDec 29
- Festival of Enormous Changes at the Last MinuteDec 30
- National Bicarbonate of Soda DayDec 30
- Make Up Your Mind DayDec 31
- New Year's EveDec 31