| National Clean Your Desk Day | Special Interest | Career, Weird National, Work |
| National Man Watcher's Day | Fun | Crazy, Weird National |
| Quitters Day | Special Interest | Lifestyle, Weird National |
| Appreciate a Dragon Day | Appreciation | Cultural, Weird National |
| Brew a Potion Day | Special Interest | Activities, Historical, Weird National |
| National Cheesy Socks Day | Fun | Crazy, Fashion, Weird National |
| Measure Your Feet Day | Health | Appreciation, Fun, Weird National |
| Snowplow Mailbox Hockey Day | Fun | Crazy, Fun, Weird National |
| Belly Laugh Day | Fun | Fun, Weird National |
| Clashing Clothes Day | Fun | Crazy, Fashion, Weird National |
| Thomas Crapper Day | Fun | Crazy, Obscure, Weird National |
| Bubble Wrap Appreciation Day | Fun | Obscure, Weird National |
| Curmudgeons Day | Fun | Elderly, Funny, Weird National |
| National Inane Answering Message Day | Fun | Funny, Obscure, Weird National |
| Gorilla Suit Day | Fun | Funny, Weird National |
| Hell is Freezing Over Day | Fun | Obscure, Weird National |
| Scotch Tape Day | Special Interest | Appreciation, Weird National |
| Pull Your Sofa Off the Wall Month | Special Interest | Obscure, Weird National |
| Create a Vacuum Day | Special Interest | Educational, Weird National |
| National Poop Day | Health | Educational, Weird National |
| Extraterrestrial Culture Day | Fun | Obscure, Weird National |
| Annoy Squidward Day | Fun | Funny, Pop Culture, Weird National |
| St. Skeletor's Day | Relationship | Funny, Weird National |
| Do a Grouch a Favor Day | Fun | Funny, Weird National |
| My Way Day | Fun | Lifestyle, Weird National |
| Cow Milked While Flying in an Airplane Day | Special Interest | Obscure, Weird National |
| Thumb Appreciation Day | Appreciation | Fun, Obscure, Weird National |
| National Comfy Day | Fun | Fashion, Lifestyle, Weird National |
| National Handcuff Day | Special Interest | Educational, Weird National |
| I Hate Coriander Day | Food & Beverage | Food, Healthy Food, Weird National |
| International Sword Swallowers Day | Arts & Entertainment | Educational, Obscure, Weird National |
| For Pete's Sake Day | Fun | Funny, Obscure, Weird National |
| National Hotel Slipper Day | Special Interest | American, Weird National |
| National March First Day | Fun | Appreciation, Weird National |
| Namesake Day | Fun | American, Weird National |
| What If Cats and Dogs Had Opposable Thumbs? Day | Fun | Cat, Dog, Weird National |
| Fun Facts About Names Day | Special Interest | Appreciation, Weird National |
| Kyrgyzstan National Hat Day | Fun | Cultural, Weird National |
| National Potty Dance Day | Fun | Activities, Funny, Weird National |
| Sock Monkey Day | Fun | Appreciation, Weird National |
| Be Nasty Day | Fun | Funny, Weird National |
| National Middle Name Pride Day | Fun | Appreciation, Historical, Weird National |
| World's Largest Rattlesnake Roundup | Special Interest | American, Obscure, Weird National |
| Festival Of Life In Cracks Day | Special Interest | Activities, Appreciation, Weird National |
| Turkey Vultures Return to the Living Sign | Animal | Weird National, Wildlife |
| Fill Our Staplers Day | Special Interest | Fun, Weird National |
| Ken Day | Special Interest | Children, Fun, Weird National |
| Dumbstruck Day | Fun | Weird National |
| Everything You Think Is Wrong Day | Fun | Weird National |
| World Contact Day | | Crazy, Obscure, Weird National |
| Everything You Do is Right Day | Fun | Weird National |
| Alien Abduction Day | Special Interest | Fun, Obscure, Weird National |
| Talk Like William Shakespeare Day | Fun | Fun, Historical, Weird National |
| Atheist Day | Special Interest | Educational, Obscure, Weird National |
| Quirky Country Music Song Titles Day | Appreciation | Music, Weird National |
| St. Stupid Day | Fun | Activities, Festivities, Weird National |
| National Walk Around Things Day | Fun | Obscure, Weird National |
| Jump Over Things Day | Fun | Activities, Weird National |
| Plan Your Epitaph Day | Special Interest | Fun, Weird National |
| Deskfast Day | Special Interest | Food, Weird National, Work |
| Reach As High As You Can Day | Special Interest | Lifestyle, Weird National |
| National Griper's Day | Special Interest | Appreciation, Friendship, Weird National |
| National Rubber Eraser Day | Fun | Appreciation, Weird National |
| Take A Wild Guess Day | Fun | Obscure, Weird National |
| Teach Your Daughter to Volunteer Day | Cause | Children, Weird National |
| Blah Blah Blah Day | Fun | Activities, Weird National |
| Look Alike Day | Special Interest | Activities, Fun, Weird National |
| Keep Off the Grass Day | Special Interest | Activities, Obscure, Weird National |
| Lumpy Rug Day | Fun | Obscure, Weird National |
| National Paranormal Day | Special Interest | Activities, Obscure, Weird National |
| National Two Different Colored Shoes Day | Fun | Fashion, Lifestyle, Weird National |
| No Socks Day | Fun | Funny, Lifestyle, Weird National |
| Hurray for Buttons Day | Fun | American, Weird National |
| Trust Your Intuition Day | Fun | Lifestyle, Weird National |
| O. Henry Pun-off Day | Fun | Festivities, Weird National |
| Send an Electronic Greeting Card Day | Fun | Activities, American, Weird National |
| Monkey Around Day | Fun | Activities, Weird National |
| Tanabata | Cultural | Cultural, Summer, Weird National |
| Be Nice to New Jersey Week | Cause | American, Crazy, Weird National |
| Call of the Horizon Day | Special Interest | Crazy, Hobby, Weird National |
| Insurance Nerd Day | Special Interest | Careers, Weird National, Work |
| National Ugly Truck Contest Day | Special Interest | American, Obscure, Weird National |
| Invite an Alien to Live with You Day | Arts & Entertainment | American, Pop Culture, Weird National |
| NATIONAL RAT CATCHER’S DAY | Special Interest | German, Historical, Weird National |
| Barbie-in-a-Blender Day | Fun | Brand, Crazy, Weird National |
| Cheese Sacrifice Purchase Day | Food & Beverage | American, Cheese, Weird National |
| Big Forehead Day | Fun | Appreciation, Weird National |
| Clean Your Floors Day | Special Interest | American, Obscure, Weird National |
| National Wiggle Your Toes Day | Fun | Funny, Weird National |
| Hawaiian Shirt Day | Special Interest | Fun, Weird National |
| National I LOVE My feet Day | Special Interest | Fun, Health, Weird National |
| Bad Poetry Day | Arts & Entertainment | Fun, Weird National |
| Bison-ten Yell Day | Fun | Funny, Military, Weird National |
| National When Pigs Fly Day | Special Interest | Activities, Lifestyle, Weird National |
| Wonderful Weirdos Day | Special Interest | Funny, Obscure, Weird National |
| Stay Away From Seattle Day | Fun | Crazy, Weird National |
| Hobbit Day | Arts & Entertainment | Pop Culture, Weird National |
| National Apple Cider Vinegar Day | Food & Beverage | American, Health, Weird National |
| National Dogs in Politics Day | Animal | Dog, Historical, Weird National |
| National Name Your Car Day | Fun | Funny, Weird National |
| National Edge Day | Cultural | Lifestyle, Pop Culture, Weird National |
| Create a Great Funeral Day | Cause | Family, Obscure, Weird National |
| Haunted Refrigerator Night | Fun | Food, Funny, Weird National |
| Look for Circles Day | Fun | Activities, Weird National |
| National Have A Bad Day Day | Fun | Crazy, Funny, Weird National |
| False Confession Day | Fun | Funny, Weird National |
| Blasé Day | Fun | Obscure, Weird National |
| Take it in the Ear Day | Fun | American, Obscure, Weird National |
| Lost and Found Day | Fun | Obscure, Weird National |
| Festival for the Souls of Dead Whales | Appreciation | Appreciation, Obscure, Weird National, Wildlife |
| National Ding-A-Ling Day | Fun | Crazy, Family, Weird National |
| Stupid Toy Day | Fun | Weird National |
| Wear a Plunger on Your Head Day | Fun | Funny, Obscure, Weird National |
| National Emo Day | Arts & Entertainment | Lifestyle, Pop Culture, Weird National |
| Dot Your I’s Day | Special Interest | Activities, Obscure, Weird National |
| Don’t Make Your Bed Day | Fun | Crazy, Weird National |
| A’Phabet Day or No “L” Day | Fun | Obscure, Weird National |
| Festival of Enormous Changes at the Last Minute | Fun | Obscure, Weird National |
| Unlucky Day | Fun | Obscure, Weird National |