| Jan 3 | National Do It Now Day | |
| Jan 4 | National Kraft Mac and Cheese Day | |
| Jan 11 | National One-Handed Bowlers Day | National Day Archives |
| Jan 14 | New Orleans National Vodou Day | |
| Jan 16 | National Kava Day | National Day Archives |
| Jan 17 | National Women in Science and Engineering Day (UK) | |
| Jan 17 | Popeye the Sailor Man Day | National Day Calendar |
| Jan 18 | Stalking Awareness Day of Action | |
| Jan 20 | International Female Artist Merchandise Appreciation Day | Social Media |
| Jan 20 | National Last Responders Day | National Day Archives |
| Jan 23 | World Endangered Writing Day | |
| Jan 26 | International Day of Clean Energy | |
| Jan 27 | World Day of Regional Anesthesia and Pain Medicine | |
| Jan 28 | World Lewy Body Dementia Day | |
| Jan 30 | Fred Korematsu Day of Civil Liberties and the Constitution (Michigan) | |
| Jan 30 | International Cara Dune Celebration Day | Social Media |
| Feb 2 | Harold Ramis Day (Chicago) | |
| Feb 4 | Willie Mays Day | |
| Feb 5 | National Red Solo Cup Day | |
| Feb 7 | Her Turn Day of Giving (South Dakota) | |
| Feb 7 | International Upma Day | |
| Feb 7 | National Day of Action against Media Attacks (Philippines) | Social Media |
| Feb 7 | National Defend Animals Call-in Day | |
| Feb 8 | National Snowdrop Day (UK) | |
| Feb 9 | Chinese Cat Day of Mourning | |
| Feb 10 | International Day of the Arabian Leopard | |
| Feb 11 | National Preacher's Kid Day | |
| Feb 12 | Sick of Food Waste Day | |
| Feb 12 | World Lidar Day | |
| Feb 13 | National Black Enslaved People Burial Grounds Recognition Day | National Day Archives |
| Feb 14 | Global LYM Period Party Day | |
| Feb 15 | First Connections Awareness Day (Rhode Island) | |
| Feb 15 | National Write Your Book in a Weekend Weekends | National Day Archives |
| Feb 16 | IEEE Foundation Day | |
| Feb 19 | Emotional Health Week (UK) | |
| Feb 20 | International Urogynecology Day | |
| Feb 21 | International Skye Terrier Day | |
| Feb 24 | International War Animal Day | |
| Feb 24 | Local Beer Day (Australia) | |
| Feb 25 | Day of Ukrainian Women (Ukraine) | |
| Feb 26 | Global Children's Surgery Day | |
| Feb 26 | International Day of Solidarity with Palestinian Journalists | |
| Feb 27 | International Lifty Appreciation Day | |
| Feb 28 | National Black Heroes Day | National Day Archives |
| Mar 1 | National Lawnmower Maintenance Week | National Day Calendar |
| Mar 1 | Pulse Day / Global Arrhythmia Awareness Day | |
| Mar 1 | Rita Tucker Williams Day | National Day Archives |
| Mar 3 | World Dosey Day | |
| Mar 9 | National Day of Abundance (Nigeria) | Social Media |
| Mar 9 | National Women's Range Day | |
| Mar 9 | U.S. Hostage and Wrongful Detainee Day | |
| Mar 11 | Flat White Day | Google Doodles |
| Mar 11 | National Immune System Day | National Today |
| Mar 12 | World Humidity Control Day | |
| Mar 13 | National Dermatologist Day | National Day Calendar |
| Mar 15 | Black Immigrant Women and Girls Day | National Day Archives |
| Mar 17 | Coyote Awareness Week | |
| Mar 18 | Health Workforce Well-Being Day | |
| Mar 18 | National Mortgage Marketing Day | |
| Mar 18 | National Sudden Unexplained Death in Childhood (SUDC) Awareness Day (UK) | |
| Mar 19 | International Day for Digital Learning | |
| Mar 19 | National Drillbrush Cleaning Day | National Day Calendar |
| Mar 20 | Do For Others Day | National Day Archives |
| Mar 20 | National Day of Italian Universities (Italy) | |
| Mar 20 | National Sports Day (Kazakhstan) | |
| Mar 21 | 321 Day | |
| Mar 21 | National BEYBLADE Day | National Day Archives |
| Mar 22 | World Aquatic Physiotherapy Day | |
| Mar 24 | MapMission Day (Canada) | |
| Mar 24 | Sunday League Day (UK) | |
| Mar 25 | National Plexiglass Appreciation Day | Social Media |
| Mar 25 | National Square Sausage Day (Scotland) | |
| Mar 26 | DJT Day | Social Media |
| Mar 27 | Saudi Green Initiative Day (Saudi Arabia) | |
| Mar 27 | Women of Asphalt Day | |
| Mar 27 | World AdTech Day | |
| Mar 27 | World Hospital Pharmacy Day | |
| Mar 28 | Global Day of Action to Destigmatize Abortions | |
| Mar 29 | Harold Shipman Day (UK) | Social Media |
| Mar 31 | Trans Day of Vengeance (Canada) | |
| Apr 1 | Gnome Your Neighbor Day | National Day Archives |
| Apr 1 | National Tom Foolerys Day | National Day Calendar |
| Apr 2 | Draw Out Some Cash Day (Australia) | |
| Apr 3 | Ghost Machine Day | |
| Apr 3 | International Lingerie Day | |
| Apr 4 | International Strength Training Awareness Day | |
| Apr 4 | Women in Tech Day | |
| Apr 5 | National Black Women's Labor Day | National Day Archives |
| Apr 7 | National Schwa Day | National Day Archives |
| Apr 7 | Tulip Day (New York City) | |
| Apr 9 | 409 Day | |
| Apr 10 | National Erase Self-Negativity Day | |
| Apr 13 | International Transgender Muslim Day of Visibility | Social Media |
| Apr 13 | National Oysters and Martinis Day | National Day Archives |
| Apr 15 | National FAFSA Day of Action | |
| Apr 15 | National FAFSA Week of Action | |
| Apr 16 | National Bunion Day | National Day Archives |
| Apr 17 | National Day of Action for Higher Education | |
| Apr 19 | National AI Literacy Day | |
| Apr 20 | Pizza Delivery Driver Appreciation Day | |
| Apr 23 | National J.O.L.Y.N. Day | National Day Archives |
| Apr 23 | National Parvo Awareness Day | |
| Apr 23 | PCA America's National Day of Giving | |
| Apr 25 | Cyberbullying Awareness Day (P.E.I.) | |
| Apr 26 | Wallabee Day | |
| Apr 30 | AMKD Awareness Day | |
| Apr 30 | Jane Fonda Day (Los Angeles) | |
| May 1 | Chemtrail Awareness Month | |
| May 1 | NotMyShame Global Awareness Day | |
| May 2 | Global Day of Action to Stop Sending Arms | |
| May 4 | HoFH Awareness Day | |
| May 5 | National Youth Apprenticeship Week | |
| May 7 | Aerospace Day (Pennsylvania) | |
| May 7 | MisInfo Day (California) | |
| May 9 | International Chameleon Day | |
| May 9 | National Youth Apprenticeship Signing Day | |
| May 10 | Dysarthria Awareness Day (UK) | |
| May 10 | World Baseball Softball Day | |
| May 11 | International Heavy Menstrual Bleeding Day | |
| May 12 | National Fishing Remembrance Day (UK) | |
| May 15 | Asphalt Day | National Today |
| May 15 | Break the Glass Ceiling Day | National Today |
| May 16 | Ask For Athletic Day | |
| May 16 | National EBT Day | |
| May 16 | National Meowmosa Day | |
| May 17 | Jasmine Crockett Appreciation Day | |
| May 18 | 518 Day of Giving | |
| May 18 | National Mini Train Day | National Day Archives |
| May 18 | World Orienteering Week | |
| May 19 | National Hit to be Fit Day | |
| May 20 | International Academic Freedom Day | Days of the Year |
| May 20 | Miss Peaches Day (Miami) | |
| May 20 | Residential Infrastructure Day | |
| May 21 | International Day of Statistical Literacy | |
| May 21 | National Rock n Roll Podcast Day | |
| May 21 | Recommerce Day | |
| May 22 | International Building Safety Day | |
| May 22 | National Share Scheme Day (UK) | Awareness Days |
| May 22 | Wolves Back Day (Minnesota) | |
| May 23 | Age Friendly Ambassadors' Day (Ireland) | |
| May 23 | Chilaquiles Day | Google Doodles |
| May 24 | International Day of the Markhor | |
| May 24 | National Insurance Enforcement Day (Ireland) | |
| May 25 | International Police Cowardice Day | |
| May 25 | World Football Day | |
| May 27 | Love Your Lanes Day (UK) | |
| May 28 | Human Rights Giving Day | |
| May 28 | Nepali Community Day (Albany) | |
| May 30 | International Day of Potato | |
| May 30 | Jump Rope Day | |
| May 31 | Inspiring Teen Moms Day | National Day Archives |
| Jun 1 | America First Month | |
| Jun 1 | California Adopt-a-Pet Day (California) | |
| Jun 1 | Golf Day Minnesota (Minnesota) | |
| Jun 1 | Idiopathic Hypersomnia Day | |
| Jun 1 | Nammilk Day (Namibia) | |
| Jun 1 | That's A Shame Month | |
| Jun 1 | World Andropause Awareness Day | National Day Archives |
| Jun 2 | 602 Day | |
| Jun 3 | International Lathyrus Day | |
| Jun 4 | Knob Day (San Vansterdam) | |
| Jun 4 | National DRAM Day | |
| Jun 4 | World Day for Assistive Technology | Awareness Days |
| Jun 5 | National Got Lift? Day | National Day Archives |
| Jun 6 | BAUN Day (UK) | |
| Jun 6 | Revive Awareness Day (Florida) | |
| Jun 6 | YogaSix Day | |
| Jun 7 | Burple Day (Australia) | |
| Jun 7 | Hyperinsulinism Awareness Day | |
| Jun 7 | National Arc Flash Awareness Day (UK) | National Day Archives |
| Jun 8 | National Florist Day (UK) | |
| Jun 8 | National Man Enough to be a Girl Scout Day | National Day Archives |
| Jun 9 | Hawk Tuah Day | |
| Jun 9 | International Meme Day | Social Media |
| Jun 9 | World Expat Health Day | National Day Archives |
| Jun 10 | Big Boy Week | |
| Jun 11 | Diceapalooza Day | National Day Archives |
| Jun 11 | International Day of Play | |
| Jun 11 | Mojo Nixon Day (Ohio) | |
| Jun 11 | RRP Awareness Day | |
| Jun 12 | Lancaster Day (UK) | |
| Jun 12 | National Control Room Worker's Day | National Day Archives |
| Jun 13 | International Day Against Scientific Dishonesty | Social Media |
| Jun 13 | Koki Day (Cameroon) | |
| Jun 13 | National Golf Cart Day | National Day Calendar |
| Jun 13 | National Long Term Care Day (Canada) | |
| Jun 14 | National Black Male Health Day | |
| Jun 14 | National Lion and Sun Day (Iran) | Social Media |
| Jun 14 | Pre-Fathers Day Tag Day (Bermuda) | |
| Jun 15 | National Big Boy Day | National Day Calendar |
| Jun 18 | Cheapfake Awareness Day | |
| Jun 19 | National Tuccelli Day | National Day Archives |
| Jun 21 | Seafarers' Day (South Korea) | |
| Jun 22 | National Pride Prom Day | National Today |
| Jun 22 | World Santoor Day | |
| Jun 22 | World Vestibular Schwannoma Awareness Day | |
| Jun 23 | Poop in the Seine Day (France) | |
| Jun 24 | Day of Life | |
| Jun 24 | Hawaiian Coffee Day | |
| Jun 26 | Airport Workers Day (Canada) | |
| Jun 27 | PayPal Impact Day | |
| Jun 29 | FLASCO Day (Florida) | |
| Jun 29 | Missing in North Texas Day (Texas) | |
| Jun 30 | International Aquatic Maintenance Day | National Day Archives |
| Jul 1 | National Pimm's Cup Day | National Day Archives |
| Jul 3 | American Sparkling Wine Day | |
| Jul 3 | National Day of Protest Rights (Australia) | |
| Jul 4 | Honor American Beer and Cider Day | |
| Jul 5 | ARFID Awareness Day (UK) | |
| Jul 10 | International Human Duties Day | |
| Jul 10 | Lamb Sauce Day | Social Media |
| Jul 10 | National Contour Day | National Day Archives |
| Jul 11 | International Day of Reflection and Commemoration of the 1995 Genocide in Srebrenica | |
| Jul 11 | National Dangerous Goods Awareness Day (UK) | |
| Jul 13 | Fight, Fight, Fight Day | |
| Jul 13 | National Indigenous Intersex Awareness Day | Social Media |
| Jul 13 | World Skydiving Day | |
| Jul 14 | North Korean Defectors' Day (South Korea) | |
| Jul 15 | PicantePit Pitch Day | |
| Jul 16 | National Latinx Older Adults and HIV/AIDS Awareness Day | |
| Jul 16 | National Take the Stairs Day | National Day Archives |
| Jul 16 | PrEP Awareness Day (Washington, D.C.) | |
| Jul 17 | National CPR Day (Philippines) | |
| Jul 17 | Peter Navarro Day | |
| Jul 17 | Purity Day | National Day Archives |
| Jul 18 | National Black Men's Mental Health Day | National Day Archives |
| Jul 19 | International Blue Screen Day | Social Media |
| Jul 19 | National Play Day | National Day Calendar |
| Jul 21 | Chinatown Day (Montreal) | |
| Jul 22 | Beta Glucan Day | National Today |
| Jul 23 | Beckham's Day | |
| Jul 23 | National Lemon Day | |
| Jul 26 | Gracies Day of Giving | |
| Jul 27 | National Arts and Health Day | |
| Jul 27 | Vipers Day (Uganda) | |
| Jul 29 | National Mortgage POS Day | |
| Jul 30 | World Snorkl Day | |
| Aug 1 | National Naan Day | |
| Aug 1 | Nudist History Month | |
| Aug 2 | Big Mac Day | |
| Aug 2 | Crabhog Day | |
| Aug 2 | National Distillery Day (UK) | |
| Aug 3 | 803 Day | |
| Aug 3 | Chale Day | |
| Aug 3 | Lanesborough Day (Massachusetts) | |
| Aug 5 | National FAFO Day | |
| Aug 5 | National Mortgage LOS Day | |
| Aug 6 | International Marine Fish Day | |
| Aug 6 | National Social Engineering Day | |
| Aug 8 | D23 Day at Disneyland Resort | |
| Aug 8 | National e-book Day | |
| Aug 10 | National Purple Martin Conservation Day | |
| Aug 12 | World ARDS Day | |
| Aug 13 | National Private Practice Physicians Day | National Day Archives |
| Aug 14 | National ABLE Savings Day | |
| Aug 14 | National Mortgage E-Close Day | |
| Aug 16 | National Love Your Locs Day | National Day Archives |
| Aug 17 | Beer Book Day | |
| Aug 17 | National Pineapple Juice Day | National Day Calendar |
| Aug 17 | World Myocarditis Day | National Day Archives |
| Aug 17 | World Naked Music Day | |
| Aug 19 | National Moving Day (UK) | |
| Aug 20 | International Glock Mag Day | Social Media |
| Aug 21 | Avatar Day | |
| Aug 22 | Kiwi Day (Chile) | |
| Aug 23 | National Space Day (India) | |
| Aug 24 | World Catholic, Artificial Intelligence, and Robot Day | National Day Archives |
| Aug 26 | Pitcoin Pizza Day | |
| Aug 27 | A Day for BSA | |
| Aug 28 | Harpurhey Day (UK) | |
| Aug 28 | Subway Sandwich Day | |
| Aug 30 | AVID Day | |
| Aug 30 | Bell Riots Day | |
| Aug 30 | Jimmy Buffett Day | |
| Aug 30 | National Screen Time Awareness Day | National Day Archives |
| Sep 1 | Day of Prayer, Fasting and Contemplation (Utah) | |
| Sep 1 | Rosolio Day | National Day Archives |
| Sep 5 | YouDeservepIt Pitch Day | |
| Sep 6 | Pepys Day (UK) | |
| Sep 6 | Turbo Day | Social Media |
| Sep 8 | 908 Day | |
| Sep 8 | 988 Day | |
| Sep 9 | National Neanderthal Appreciation Day | National Day Archives |
| Sep 9 | Wyatt Earp Prime Beef Day | |
| Sep 13 | International Day Against Night Flights | |
| Sep 13 | Kolchak Day | |
| Sep 15 | Munhumutapa Day (Zimbabwe) | |
| Sep 16 | Africa Day | |
| Sep 16 | International Day of Science, Technology and Innovation for the South | |
| Sep 16 | National GED Day | National Day Archives |
| Sep 17 | International Lambic Day | |
| Sep 17 | Leigh Syndrome Awareness Day | National Day Archives |
| Sep 17 | National Beignet Day | National Day Archives |
| Sep 17 | WokeJebBush Day | Social Media |
| Sep 18 | National Buy York Gin Day | Social Media |
| Sep 19 | National Adulting Day | National Day Archives |
| Sep 19 | National App Challenge Day | |
| Sep 19 | National Orthotics and Prosthetics Day (Canada) | |
| Sep 21 | National Multivitamin Day | National Today |
| Sep 22 | International Husky Day | |
| Sep 22 | National Brown Butter Day | National Day Calendar |
| Sep 23 | Haifa Day (India) | |
| Sep 23 | World Bicycle Free Day | |
| Sep 23 | World Clinical Exercise Physiology Day | |
| Sep 24 | International Day of Birmingham | |
| Sep 26 | IgA Nephropathy (IgAN) Awareness Day | |
| Sep 26 | National Housing Counselor Day | |
| Sep 26 | National PRIOR Tactile Pre-Braille Learning Day | National Day Archives |
| Sep 26 | Special Needs Assistant (SNA) Appreciation Day (Ireland) | |
| Sep 26 | World Quantum Readiness Day | National Today |
| Sep 27 | 1stLinePit Pitch Day | |
| Sep 27 | Deployables Day (Boston) | |
| Sep 30 | National Get Tested Day | |
| Oct 1 | Frailty Awareness Day (Nova Scotia) | |
| Oct 1 | National Women in AI Month | National Day Calendar |
| Oct 1 | WritetoberPit | |
| Oct 1 | Writetoberfest | |
| Oct 3 | Carbon Removal Day | |
| Oct 3 | National Carrot Awareness Day (UK) | |
| Oct 4 | Crew Appreciation Day | National Day Archives |
| Oct 7 | Nilgiri Tahr Day (India) | |
| Oct 7 | October 7 Anniversary | |
| Oct 8 | International Day of Fire Prevention | |
| Oct 9 | International Day for Non-Timber Forest Products | |
| Oct 9 | World Ballet Pianist Day | |
| Oct 10 | DAF Day | |
| Oct 10 | Dove Day (Canada) | |
| Oct 10 | Happiness to Humans Day | |
| Oct 10 | Independence Day (Cuba) | |
| Oct 10 | National Fire Day (Eswatini) | |
| Oct 12 | Marzen Day | |
| Oct 14 | National Fishermen's Mission Support Day (UK) | |
| Oct 15 | Global Lobular Breast Cancer Awareness Day | |
| Oct 15 | National Dashi Day | National Today |
| Oct 15 | National Freight Fraud Awareness Day | |
| Oct 15 | World Chronic Cough Day | |
| Oct 16 | National "Don't Click It" Day | National Day Archives |
| Oct 17 | Intangible Heritage Day | |
| Oct 18 | World Inherited Blood Disorders Day | |
| Oct 19 | Freedom to Read Day of Action | |
| Oct 19 | Women Without Children Day | National Day Archives |
| Oct 20 | Global Disclosure Day | |
| Oct 21 | Heat Pump Day | |
| Oct 22 | National Tavern-Style Pizza Day | National Day Calendar |
| Oct 23 | A Better Way with AI Day | National Day Archives |
| Oct 23 | PURA Syndrome Awareness Day | |
| Oct 23 | SkyPitch Pitch Day | |
| Oct 25 | Postural Orthostatic Tachycardia Syndrome Awareness Day (Virginia) | |
| Oct 27 | Global Day of Prayer for the Media | |
| Oct 27 | The Zombie in The Machine Day | |
| Oct 29 | Copper Awareness Day | |
| Oct 29 | World Coding Day | |
| Oct 30 | Pete's Wicked Ale Day | |
| Oct 30 | Uplift Someone Day | National Day Archives |
| Oct 31 | Trixie Day | |
| Nov 1 | MN Beer Day (Minnesota) | |
| Nov 2 | Date a Big Boy Day | |
| Nov 2 | National Survivors Vote Day | |
| Nov 3 | International Day of Supply Chain, Logistics, and Transportation | |
| Nov 4 | International Hypotension Awareness Day | |
| Nov 4 | Nothing Day (Northern Ireland) | |
| Nov 5 | Christian Visibility Day | |
| Nov 8 | National Elevate Day | National Day Archives |
| Nov 10 | National Hornbill Day (Malaysia) | |
| Nov 11 | Nursing Careers Week | |
| Nov 12 | Delta Day | |
| Nov 12 | National EMFACE Day | National Day Archives |
| Nov 12 | National Reparations Action Day | |
| Nov 13 | National Dream Destination Day | National Today |
| Nov 13 | UnhingedPit Pitch Day | |
| Nov 14 | World Radiotherapy Awareness Day | |
| Nov 15 | International Day for the Prevention of and Fight against All Forms of Transnational Organized Crime | |
| Nov 18 | National Indexing Day | |
| Nov 21 | Anaphylaxis Awareness Day | |
| Nov 23 | ADOA Awareness Day | |
| Nov 23 | Natural Cosmetics Week | |
| Nov 24 | World Conjoined Twins Day | |
| Nov 26 | National Linguistics Day (UK) | |
| Nov 27 | National Cancer Hero Day | National Day Archives |
| Nov 30 | Shirley Chisholm Day (New York City) | |
| Dec 1 | MiseryPit Pitch Day | |
| Dec 2 | ReachOut World Day | |
| Dec 3 | World Loyalty Giving Day | |
| Dec 8 | National Offensive Linemen Day | National Day Archives |
| Dec 9 | Cheer Pit Pitch Day | |
| Dec 9 | National Naan Day | National Today |
| Dec 9 | National Oncology Navigation Day | |
| Dec 12 | International Humanoids Day | |
| Dec 13 | Lussekatter Day (Sweden) | |
| Dec 14 | National SISmas Day | National Day Archives |
| Dec 15 | HoliPit Pitch Day | |
| Dec 17 | National Say It Now Day | National Day Calendar |
| Dec 18 | Bill Hicks Day (New York) | |
| Dec 21 | World Meditation Day | |
| Dec 25 | Nosferatu Day | |
