| International Day for South-South Cooperation | |  |
| National Day | | |
| National Video Game Day | | |
| National Chocolate Milkshake Day | | |
| National Day of Encouragement | | |
| National Report Medicare Fraud Day | | |
| Programmers Day | | |
| Martyrdom of Imam Hasan al-Askari | | |
| National Police Woman Day | | |
| Positive Thinking Day | | |
| Roald Dahl Day | | |
| National Kids Take Over The Kitchen Day | | |
| National Peanut Day | | |
| Uncle Sam Day | | |
| Stand Up To Cancer Day | | |
| Friday the 13th | | |
| National Blame Someone Else Day | | |
| International Chocolate Day | | |
| National Hug Your Boss Day | | |
| Supernatural Day | | |
| National Celiac Disease Awareness Day | | |
| National Defy Superstition Day | | |
| Holy Cross Day | | |
| Battle of San Jacinto | | |
| National Cream Filled Donut Day | | |
| National Eat a Hoagie Day | | |
| National Live Creative Day | | |
| Day of the Workers in the Energy Sector | | |
| German Language Day | | |
| National Coloring Day | | |
| Gobstopper Day | | |
| International Drive Your Studebaker Day | | |
| Independence Day | | |
| Shout of Dolores | | |
| International Day of Democracy | | |
| Day of Our Lady of Sorrows | | |
| Restoration of Primorska to the Motherland Day | | |
| Nuestra Señora de la Bien Aparecida | | |
| International Dot Day | | |
| National Cheese Toast Day | | |
| National Linguine Day | | |
| National Felt Hat Day | | |
| National Double Cheeseburger Day | | |
| National Creme de Menthe Day | | |
| National Tackle Kids Cancer Day | | |
| National Online Learning Day | | |
| Greenpeace Day | | |
| Wife Appreciation Day | | |
| Swiss Federal Fast | | |
| Make a Hat Day | | |
| World Afro Day | | |
| Butterscotch Cinnamon Pie Day | | |
| National Farm Animals Awareness Week | | |
| National Indoor Plant Week | | |
| National Heroes Day | | |
| International Day for the Preservation of the Ozone Layer | | |
| Malaysia Day | | |
| Day of Martyr Omar Al-Mukhtar | | |
| Collect Rocks Day | | |
| Independence Day | | |
| National Play-Doh Day | | |
| National Cinnamon Raisin Bread Day | | |
| National Stepfamily Day | | |
| National Working Parents Day | | |
| Mayflower Day | | |
| Mawlid / Prophet's Birthday | | |
| Respect for the Aged Day | | |
| Chuseok Holiday | | |
| Federal Fast Monday | | |
| National Guacamole Day | | |
| Vishwakarma Puja | | |
| National Choose Your Chocolate Day | | |
| Teenager Workout Day | | |
| International Day For Interventional Cardiology | | |
| Birthday of Crown Prince Tupouto'a-'Ulukalala | | |
| National Hero Day | | |
| International Country Music Day | | |
| Day of Melilla | | |
| National Apple Dumpling Day | | |
| National Monte Cristo Day | | |
| National IT Professionals Day | | |
| Teachers' Day | | |
| Constitution Day and Citizenship Day | | |
| Mid-Autumn Festival | | |
| Chuseok | | |
| Day After Prophet's Birthday | | |
| National Table Shuffleboard Day | | |
| World Patient Safety Day | | |
| Get Ready Day | | |
| National Day | | |
| Rice Krispie Treat Day | | |
| National Cheeseburger Day | | |
| Air Force Birthday | | |
| National HIV/AIDS and Aging Awareness Day | | |
| Day after Mid-Autumn Festival | | |
| Chuseok Holiday | | |
| Read An Ebook Day | | |
| International Equal Pay Day | | |
| National First Love Day | | |
| World Water Monitoring Day | | |
| National Respect Day | | |
| Independence Day | | |
| The Feast of Saint Januarius (Naples) | | |
| Army Day | | |
| National Gymnastics Day | | |
| International Talk Like a Pirate Day | | |
| National Butterscotch Pudding Day | | |
| National Woman Road Warrior Day | | |
| German World Childrens' Day | | |
| National Fried Rice Day | | |
| National Pepperoni Pizza Day | | |
| National Punch Day | | |
| National String Cheese Day | | |
| National Tradesmen Day | | |
| National POW/MIA Recognition Day | | |
| National Day Holiday | | |
| International Grenache Day | | |
| National Queso Day | | |
| 4 PM Finish Day | | |
| National Concussion Awareness Day | | |
| Independence Day | | |
| International Day of Peace | | |
| Miniature Golf Day | | |
| National Chai Day | | |
| National Pecan Cookie Day | | |
| Big Whopper Liar Day | | |
| Boys’ and Girls’ Club Day for Kids | | |
| Puppy Mill Awareness Day | | |
| Responsible Dog Ownership Day | | |
| National Singles Day | | |
| National CleanUp Day | | |
| National Dance Day | | |
| Valentine's Day | | |
| Birthday of Prophet Muhammad and Imam Sadeq | | |
| Founder's Day | | |
| European Heritage Days | | |
| Batman Day | | |
| International Red Panda Day | | |
| World Gratitude Day | | |
| International Eat An Apple Day | | |
| World Alzheimer’s Day | | |
| International Coastal Cleanup Day | | |
| Escapology Day | | |
| Locate An Old Friend Day | | |
| Independence Day | | |
| American Business Women’s Day | | |
| Car Free Day | | |
| National Centenarian’s Day | | |
| Elephant Appreciation Day | | |
| National Girls’ Night In Day | | |
| Hobbit Day | | |
| National Ice Cream Cone Day | | |
| National Legwear Day | | |
| National White Chocolate Day | | |
| September Equinox | | |
| Emancipation Day | | |
| Saint Mauritius' Day | | |
| Mabon | | |
| Chainmail Day | | |
| World Rhino Day | | |
| Dear Diary Day | | |
| Saudi National Day | | |
| Checkers Day | | |
| Celebrate Bisexuality Day | | |
| National Great American Pot Pie Day | | |
| National Snack Stick Day | | |
| National Teal Talk Day | | |
| September Equinox | | |
| South Canterbury Anniversary Day | | |
| September Equinox observed | | |
| Founder's Day observed | | |
| Redhead Appreciation Day | | |
| National Family Day | | |
| Education Technology Day | | |
| Restless Legs Awareness Day | | |
| Za’atar Day | | |
| International Week Of Happiness At Work | | |
| International Day Of Sign Languages | | |
| Our Lady of Las Mercedes | | |
| Constitutional Day | | |
| Republic Day | | |
| Independence Day (National Day) | | |
| Armed Forces Day | | |
| Heritage Day | | |
| Anniversary of the failed attack on Lomé | | |
| National Cherries Jubilee Day | | |
| National Punctuation Day | | |
| Schwenkfelder Thanksgiving | | |
| Innergize Day | | |
| National Voter Registration Day | | |
| New Caledonia Day | | |
| Saint Rupert's Day | | |
| World Bollywood Day | | |
| Bluebird Of Happiness Day | | |
| Lash Stylists’ Day | | |
| Armed Forces Day | | |
| National One-Hit Wonder Day | | |
| National Comic Book Day | | |
| National Lobster Day | | |
| National Tune-Up Day | | |
| National Research Administrator Day | | |
| Math Storytelling Day | | |
| National Women’s Health & Fitness Day | | |
| St. Nicholas of Flüe | | |
| Better Breakfast Day | | |
| National Daughter Day | | |
| National Cooking Day | | |
| National Quesadilla Day | | |
| World Pharmacists Day | | |
| National Psychotherapy Day | | |
| World Dream Day | | |
| Binge Day | | |
| Revolution Day | | |
| International Day for the Total Elimination of Nuclear Weapons | | |
| Johnny Appleseed Day | | |
| National Compliance Officer Day | | |
| National Dumpling Day | | |
| National Shamu the Whale Day | | |
| National Pancake Day | | |
| National Situational Awareness Day | | |
| World Maritime Day | | |
| Love Note Day | | |
| National Chimichanga Day | | |
| Human Resource Professional Day | | |
| Remember Me Thursday | | |
| World Tourism Day | | |
| National Chocolate Milk Day | | |
| National Crush a Can Day | | |
| National Corned Beef Hash Day | | |
| National Gay Men’s HIV/AIDS Awareness Day | | |
| National Scarf Day | | |
| National BRAVE DAY | | |
| National Youth Day | | |
| Native American Day | | |
| Meskel | | |
| Manit Day | | |
| German Butterbrot Day | | |
| Save The Koala Day | | |
| Hug A Vegetarian Day | | |
| Morning Show Hosts Day | | |
| Ancestor Appreciation Day | | |
| World Rabies Day | | |
| St. Wenceslas Day | | |
| Ask A Stupid Question Day | | |
| National Drink Beer Day | | |
| National Good Neighbor Day | | |
| National Strawberry Cream Pie Day | | |
| National Public Lands Day | | |
| National Seat Check Saturday | | |
| National Hunting and Fishing Day | | |
| National Family Health and Fitness Day USA | | |
| National Ghost Hunting Day | | |
| Save Your Photos Day | | |
| Teachers' Day | | |
| International Lace Day | | |
| International Poke Day | | |
| National Sons Day | | |
| International Rabbit Day | | |
| National Fitness Day | | |
| International Day For Universal Access To Information | | |
| Michael and All Angels | | |
| World Heart Day | | |
| Boqueron Battle Victory Day | | |
| National Coffee Day | | |
| VFW Day | | |
| Gold Star Mother's Day | | |
| National Biscotti Day | | |
| World Rivers Day | | |
| Confucius Day | | |
| International Day Of Awareness Of Food Loss And Waste | | |
| Botswana Day | | |
| National Chewing Gum Day | | |
| National Mud Pack Day | | |
| National Hot Mulled Cider Day | | |
| National Love People Day | | |
| Queen's Birthday | | |
| International Podcast Day | | |
| National Extra Virgin Olive Oil Day | | |
| International Thunderbirds Day | | |
| International Translation Day | | |
| Rumi Day | | |
| Independence Day | | |
| Cyprus Independence Day | | |
| Elders' Day | | |
| International Day of Older Persons | | |
| Armed Forces Day | | |
| World Vegetarian Day | | |
| Independence of Southern British Cameroons from UK | | |
| Teachers Day | | |
| International Coffee Day | | |
| Balloons Around the World Day | | |
| Chuuk Constitution Day | | |
| Investiture of the Captains Regent | | |
| Black History Month | | |
| National Hair Day | | |
| Fire Pup Day | | |
| National Homemade Cookies Day | | |
| Children´s Day | | |
| Tuvalu Day | | |
| National Day of the People's Republic of China | | |
| Botswana Day holiday | | |
| CD Player Day | | |
| National Black Dog Day | | |
| Walk Your Dog Week | | |
| International Music Day | | |
| World Menopause Month | | |
| Vegetarian Month | | |
| World Mental Health Month | | |
| Black Cat Awareness Month | | |
| National Lace Day | | |
| National Sausage Month | | |
| Computer Learning Month | | |
| National Learning And Development Month | | |
| Adopt A Shelter Dog Month | | |
| National Chiropractic Month | | |
| Spinach Lovers Month | | |
| Bat Appreciation Month | | |
| Pear And Pineapple Month | | |
| National Dessert Month | | |
| National Orthodontic Health Month | | |
| National Seafood Month | | |
| National Cookie Month | | |
| National Pasta Month | | |
| National Caramel Month | | |
| Raptor Month | | |
| National Pizza Month | | |
| Church Safety And Security Month | | |
| National Dental Hygiene Month | | |
| Halloween Safety Month | | |
| National Roller Skating Month | | |
| National Chili Month | | |
| National Pretzel Month | | |
| National Book Month | | |
| Squirrel Awareness Month | | |
| Down Syndrome Awareness Month | | |
| National Apple Month | | |
| International Walk To School Month | | |
| National Cookbook Month | | |
| Rhubarb Month | | |
| National Animal Safety And Protection Month | | |
| National Liver Awareness Month | | |
| Dysautonomia Awareness Month | | |
| Head Start Awareness Month | | |
| National Principals Month | | |
| National Fire Prevention Month | | |
| National Critical Illness Awareness Month | | |
| Photographer Appreciation Month | | |
| National Dwarfism Awareness Month | | |
| National Bullying Prevention Month | | |
| National Women’s Small Business Month | | |
| Family History Month | | |
| Health Literacy Month | | |
| National Pork Month | | |
| Dyslexia Awareness Month | | |
| National Pickled Peppers Month | | |
| World Blindness Awareness Month | | |
| National Applejack Month | | |
| National Popcorn Poppin’ Month | | |
| National Physical Therapy Month | | |
| National Bake And Decorate Month | | |
| International Day of Non-Violence | | |
| Independence Day | | |
| Phileas Fogg Wager Day | | |
| National Produce Misting Day | | |
| National Custodial Worker’s Recognition Day | | |
| National Name Your Car Day | | |
| National Fried Scallops Day | | |
| National Walk to School Day | | |
| National Pumpkin Seed Day | | |
| National Coffee with a Cop Day | | |
| Rosh Hashana Eve | | |
| Tuvalu Day | | |
| National Day Golden Week holiday | | |
| Erev Rosh Hashana | | |
| Mahalaya Amavasya | | |
| World Farm Animals Day | | |
| Random Acts Of Poetry Day | | |
| National Kale Day | | |
| National Custodial Worker Recognition Day | | |
| National Foundation Day | | |
| Iraqi Independence Day | | |
| Morazan´s Day | | |
| National Boyfriend Day | | |
| National Techies Day | | |
| Rosh Hashana | | |
| National Day Golden Week holiday | | |
| Day of German Unity | | |
| Virus Appreciation Day | | |
| Bring Your Bible To School Day | | |
| Peace and Reconciliation Day | | |
| Independence Day | | |
| World Animal Day | | |
| National Vodka Day | | |
| National Taco Day | | |
| National Golf Lover’s Day | | |
| National Manufacturing Day | | |
| National Body Language Day | | |
| World Smile Day | | |
| Feast of St Francis of Assisi | | |
| Second day of Rosh Hashana | | |
| National Day Golden Week holiday | | |
| Children's Day | | |
| Cinnamon Roll Day | | |
| Improve Your Office Day | | |
| National Fruit At Work Day | | |
| Plaidurday | | |
| Kids Music Day | | |
| World Space Week | | |
| Ship In A Bottle Day | | |
| World Teachers' Day | | |
| Constitution Day | | |
| Republic Implantation | | |
| National Get Funky Day | | |
| National Do Something Nice Day | | |
| National Apple Betty Day | | |
| National Day Golden Week holiday | | |
| Birthday of the Governor of Sabah | | |
| Wine Day (Day 1) | | |
| Card Making Day | | |
| Chic Spy Day | | |
| Global James Bond Day | | |
| Country Inn Bed & Breakfast Day | | |
| Teachers' Day | | |
| Day of Commemoration and National Mourning | | |
| World Cerebral Palsy Day | | |
| Dukla Pass Victims Day | | |
| Armed Forces Day | | |
| October Liberation Day | | |
| National Orange Wine Day | | |
| National Plus Size Appreciation Day | | |
| National Mad Hatter Day | | |
| National German-American Day | | |
| National Noodle Day | | |
| National Day Golden Week holiday | | |
| Tzom Gedaliah | | |
| Harvest Festival | | |
| Wine Day (Day 2) | | |
| Teachers' Day | | |
| Change A Light Day | | |
| National Transfer Money To Your Daughter Day | | |
| National Badger Day | | |
| Inbox Zero Day | | |
| National Fire Prevention Week | | |
| National Physician Assistant Day | | |
| National LED Light Day | | |
| National Frappe Day | | |
| National Inner Beauty Day | | |
| National Consignment Day | | |
| Thanksgiving Day | | |
| Child Health Day | | |
| Peat Cutting Monday | | |
| Queen's Birthday | | |
| Labor Day | | |
| World Habitat Day | | |
| National Day Golden Week holiday | | |
| World Day Of Bullying Prevention | | |
| World Architecture Day | | |
| National Forgiveness And Happiness Day | | |
| National Bathtub Day | | |
| World Cotton Day | | |
| Battle of Angamos | | |
| National Fluffernutter Day | | |
| National Pierogi Day | | |
| American Touch Tag Day | | |
| Ada Lovelace Day | | |
| World Octopus Day | | |
| International Podiatry Day | | |
| National Face Your Fears Day | | |
| Own Business Day | | |
| Abolition Day | | |
| World Post Day | | |
| Hangul Day | | |
| Curious Events Day | | |
| Independence of Guayaquil | | |
| Leif Erikson Day | | |
| Day of the Valencian Community | | |
| Independence Day | | |
| National Pro-Life Cupcake Day | | |
| National Moldy Cheese Day | | |
| National Emergency Nurse’s Day | | |
| National Bring Your Teddy Bear to Work/School Day | | |
| National Stop Bullying Day | | |
| National Curves Day | | |
| Canadian Beer Day | | |
| International Beer And Pizza Day | | |
| Fire Prevention Day | | |
| Scrubs Day | | |
| International Top Spinning Day | | |
| National Pet Obesity Awareness Day | | |
| Beginning of the War of Independence | | |
| Fiji Day | | |
| World Mental Health Day | | |
| National Day/Double Tenth Day | | |
| Curaçao Day | | |
| Day of the Maroons | | |
| Party Foundation Day | | |
| National Angel Food Cake Day | | |
| National Cake Decorating Day | | |
| National Handbag Day | | |
| World Sight Day | | |
| Plebiscite Day | | |
| Moi Day | | |
| World Homeless Day | | |
| World Porridge Day | | |
| National Hug A Drummer Day | | |
| International Day of the Girl Child | | |
| It's My Party Day | | |
| National Coming Out Day | | |
| National Sausage Pizza Day | | |
| General Pulaski Memorial Day | | |
| Yom Kippur Eve | | |
| Double Ninth Festival | | |
| Birthday of the Governor of Malacca | | |
| Day of People’s Uprising | | |
| Chong Yeung Festival (Festival of Ancestors) | | |
| Southern Food Heritage Day | | |
| World Egg Day | | |
| Vet Nurse Day | | |
| Indigenous Resistance Day | | |
| Our Lady Aparecida/Children's Day | | |
| Dia de la raza | | |
| Independence Day | | |
| Old Farmers Day | | |
| Hispanic Day | | |
| National Savings Day | | |
| National Freethought Day | | |
| National Farmer’s Day | | |
| National Gumbo Day | | |
| National Chess Day | | |
| National Costume Swap Day | | |
| National Motorcycle Ride Day | | |
| I Love Yarn Day | | |
| Pan American Day | | |
| Yom Kippur | | |
| Day of the Cultures | | |
| Columbus Day | | |
| Birthday of the Governor of Sarawak | | |
| Dussehra | | |
| Astronomy Day | | |
| World Migratory Bird Day | | |
| Translators' Day | | |
| Universal Music Day | | |
| International African Penguin Awareness Day | | |
| National Pulled Pork Day | | |
| World Arthritis Day | | |
