| World Day for Audiovisual Heritage | |  |
| Independence Day | | |
| Černová Tragedy Day | | |
| National Black Cat Day | | |
| National American Beer Day | | |
| Navy Day | | |
| Labor Day | | |
| October Bank Holiday | | |
| Chhath Puja | | |
| National Mentoring Day | | |
| Cranky Co-Workers Day | | |
| Ochi Day | | |
| Establishment of the Independent Czecho-Slovak State | | |
| The Ochi day | | |
| Independent Czechoslovak State Day | | |
| Republic Day Eve | | |
| International Animation Day | | |
| National Chocolate Day | | |
| Public Service Holiday | | |
| National First Responders Day | | |
| Plush Animal Lover’s Day | | |
| National Immigrants Day | | |
| King's Coronation Day | | |
| Capital City Day | | |
| Birth of Ľudovít Ŝtúr Day | | |
| Republic Day | | |
| Internet Day | | |
| National Cat Day | | |
| National Oatmeal Day | | |
| National Hermit Day | | |
| World Stroke Day | | |
| Double Ninth Festival | | |
| Yom HaAliyah School Observance | | |
| Chong Yeung Festival (Festival of Ancestors) | | |
| Anniversary of the Declaration of the Slovak Nation | | |
| Mischief Night | | |
| National Speak Up For Service Day | | |
| National Publicist Day | | |
| National Candy Corn Day | | |
| World Thrift Day | | |
| National Checklist Day | | |
| Create A Great Funeral Day | | |
| All Hallows' Eve | | |
| Reformation Day | | |
| Halloween | | |
| National Doorbell Day | | |
| National Caramel Apple Day | | |
| National Knock-Knock Jokes Day | | |
| National Magic Day | | |
| Girl Scout Founder’s Day | | |
| National Frankenstein Friday | | |
| National Breadstick Day | | |
| Nevada Day | | |
| World Cities Day | | |
| All Saints' Eve | | |
| National Bandana Day | | |
| World Savings Day | | |
| All Saints' Day | | |
| Liberty Day | | |
| Independence Day | | |
| World Vegan Day | | |
| Revival Day | | |
| Anniversary of the Revolution | | |
| National Authors’ Day | | |
| National Calzone Day | | |
| National Family Literacy Day | | |
| National Cook For Your Pets Day | | |
| National Vinegar Day | | |
| National Deep Fried Clams Day | | |
| National Brush Day | | |
| National Bison Day | | |
| Working day - Unity Day | | |
| Remembrance Day | | |
| National Cinnamon Day | | |
| Extra Mile Day | | |
| Scented Candle Day | | |
| World Numbat Day | | |
| Movember | | |
| NoSHAVEmber | | |
| Gluten-Free Diet Awareness Month | | |
| Marzipan Week | | |
| National Life Writing Month | | |
| Banana Pudding Lovers Month | | |
| National Peanut Butter Lovers Month | | |
| National Fun With Fondue Month | | |
| World Vegan Month | | |
| Spinach And Squash Month | | |
| Sweet Potato Awareness Month | | |
| National Pet Cancer Awareness Month | | |
| Aviation History Month | | |
| National Pomegranate Month | | |
| Manatee Awareness Month | | |
| National Roasting Month | | |
| Adopt A Senior Pet Month | | |
| PTA Healthy Lifestyles Month | | |
| National Scholarship Month | | |
| National Gratitude Month | | |
| Prematurity Awareness Month | | |
| Historic Bridge Awareness Month | | |
| Worldwide Bereaved Siblings Month | | |
| National Pepper Month | | |
| National Adoption Month | | |
| National Diabetes Month | | |
| National Raisin Bread Month | | |
| Pancreatic Cancer Awareness Month | | |
| National Impotency Month | | |
| All Souls' Day | | |
| International Day to End Impunity for Crimes against Journalists | | |
| National Deviled Egg Day | | |
| All Saints' Day | | |
| Remembrance Day | | |
| Arrival of Indentured Labourers | | |
| Zero Tasking Day | | |
| Dynamic Harmlessness Day | | |
| National Broadcast Traffic Professionals Day | | |
| World Ballet Day | | |
| Independence Day | | |
| Victory Day | | |
| Independence of Cuenca | | |
| National Housewife Day | | |
| National Sandwich Day | | |
| Color the World Orange Day | | |
| Job Action Day | | |
| All Saints' Day | | |
| Recreation Day | | |
| All Souls' Day observed | | |
| Marlborough Anniversary Day | | |
| Constitution Day | | |
| Culture Day | | |
| Unity Day Weekend | | |
| Day off for All Souls' Day | | |
| All Saints' Day observed | | |
| World Jellyfish Day | | |
| Cliche Day | | |
| Smart Home Day | | |
| Flag Day | | |
| Unity Day | | |
| Common Sense Day | | |
| National Chicken Lady Day | | |
| National Candy Day | | |
| Community Service Day | | |
| Melbourne Cup Day | | |
| Citizenship Day | | |
| Colon Day | | |
| National Doughnut Day | | |
| National Love Your Red Hair Day | | |
| National Stress Awareness Day | | |
| Guru Nanak Jayanti | | |
| Guy Fawkes Night | | |
| Guy Fawkes Day | | |
| Kartik Purnima | | |
| Wobbly Wednesday | | |
| American Football Day | | |
| World Tsunami Awareness Day | | |
| International Day for Preventing the Exploitation of the Environment in War and Armed Conflict | | |
| Saxophone Day | | |
| Constitution Day | | |
| Anniversary of the Green March | | |
| National Nachos Day | | |
| National Men Make Dinner Day | | |
| International Stout Day | | |
| Thanksgiving | | |
| International Project Management Day | | |
| Day of the Great October Socialist Revolution | | |
| October Revolution Day | | |
| National Bittersweet Chocolate with Almonds Day | | |
| National Canine Lymphoma Awareness Day | | |
| National Jersey Friday | | |
| Birthday of the Sultan of Perak | | |
| Love Your Lawyer Day | | |
| Fountain Pen Day | | |
| National Hug A Bear Day | | |
| Journalists' Day | | |
| Tongue Twister Day | | |
| Pohnpei Constitution Day | | |
| National Cappuccino Day | | |
| National Harvey Wallbanger Day | | |
| National Parents as Teachers Day | | |
| National STEM/STEAM Day | | |
| World Radiography Day | | |
| National Dunce Day | | |
| Cook Something Bold And Pungent Day | | |
| Independence Day | | |
| Night of Broken Glass Remembrance Day | | |
| Iqbal Day | | |
| Chaos Never Dies Day | | |
| National Scrapple Day | | |
| Microtia Awareness Day | | |
| Remembrance Sunday | | |
| Harvest Festival | | |
| Father's Day | | |
| Grandparents' Day | | |
| Orphan Sunday | | |
| National Fried Chicken Sandwich Day | | |
| World Freedom Day | | |
| Carl Sagan Day | | |
| Dear Santa Letter Week | | |
| British Pudding Day | | |
| Shout in Villa de los Santos | | |
| World Science Day for Peace and Development | | |
| Ataturk Memorial Day | | |
| Forget Me Not Day | | |
| Marine Corps Birthday | | |
| National Vanilla Cupcake Day | | |
| Remembrance Day | | |
| Heir to the Throne's Birthday | | |
| World Top Up Day | | |
| Sesame Street Day | | |
| International Accounting Day | | |
| Area Code Day | | |
| World Orphans Day | | |
| Odd Socks Day | | |
| Armistice Day | | |
| Saint Martin's Day | | |
| Republic Day | | |
| Independence Day | | |
| Veterans Day | | |
| Origami Day | | |
| Independence of Cartagena | | |
| National Sundae Day | | |
| Remembrance Day | | |
| Veterans of Foreign Wars Day | | |
| Birthday of the Sultan of Kelantan | | |
| National Metal Day | | |
| Singles Day | | |
| Pocky Day | | |
| Youth National Day | | |
| Sun Yat-sen's Birthday | | |
| Happy Hour Day | | |
| World Pneumonia Day | | |
| National French Dip Day | | |
| National Pizza with the Works Except Anchovies Day | | |
| National Chicken Soup for the Soul Day | | |
| Maore Day | | |
| Birthday of the Sultan of Kelantan | | |
| Fancy Rat & Mouse Day | | |
| World Kindness Day | | |
| Sadie Hawkins Day | | |
| National Indian Pudding Day | | |
| World Quality Day | | |
| National Hug A Musician Day | | |
| Symphonic Metal Day | | |
| World Diabetes Day | | |
| Colombian Women's Day | | |
| Pickle Day | | |
| National Spicy Guacamole Day | | |
| Canterbury Anniversary Day | | |
| National Donor Sabbath | | |
| Operating Room Nurse Day | | |
| Loosen Up Lighten Up Day | | |
| Republic Proclamation Day | | |
| 7-5-3 Day | | |
| National Peace Day in Ivory Coast | | |
| America Recycles Day | | |
| National Bundt (Pan) Day | | |
| National Philanthropy Day | | |
| National Clean Out Your Refrigerator Day | | |
| National Spicy Hermit Cookie Day | | |
| National Raisin Bran Cereal Day | | |
| Saint Leopold's Day | | |
| National Drummer Day | | |
| I Love To Write Day | | |
| Steve Irwin Day | | |
| Day Of 8 Billion | | |
| Fast Food Day | | |
| International Day for Tolerance | | |
| National Button Day | | |
| World Day of Remembrance for Road Traffic Victims | | |
| Mother's Day | | |
| National Day of Mourning | | |
| Clarinet Day | | |
| Have A Party With Your Bear Day | | |
| MADD's Tie One On For Safety | | |
| National Bible Week | | |
| Fight for Freedom and Democracy Day | | |
| Polytechneio | | |
| Struggle for Freedom and Democracy Day | | |
| World Prematurity Day | | |
| National Baklava Day | | |
| National Take A Hike Day | | |
| National Homemade Bread Day | | |
| Day off for Revolution Day Memorial | | |
| National Sovereignty Day | | |
| President's Day | | |
| National Unfriend Day | | |
| International Happy Gose Day | | |
| Vertières Day | | |
| National Day | | |
| Republic of Latvia Proclamation Day | | |
| Independence Day | | |
| Mickey Mouse Birthday | | |
| National Princess Day | | |
| National Vichyssoise Day | | |
| National Entrepreneurs' Day | | |
| Housing Day | | |
| Apple Cider Day | | |
| Occult Day | | |
| World Toilet Day | | |
| National Day | | |
| International Men's Day | | |
| Discovery Day | | |
| Garifuna Settlement Day | | |
| National Carbonated Beverage With Caffeine Day | | |
| National Play Monopoly Day | | |
| National Educational Support Professionals Day | | |
| Repentance Day | | |
| GIS Day | | |
| National Camp Day | | |
| Have A Bad Day Day | | |
| Women’s Entrepreneurship Day | | |
| Name Your PC Day | | |
| Black Consciousness Day | | |
| Universal Children's Day | | |
| Africa Industrialization Day | | |
| National Peanut Butter Fudge Day | | |
| National Absurdity Day | | |
| Great American Smokeout | | |
| National Rural Health Day | | |
| World Philosophy Day | | |
| Revolution Day Memorial | | |
| Use Less Stuff Day | | |
| World Pancreatic Cancer Day | | |
| Beaujolais Nouveau Day | | |
| Teachers' Day | | |
| World Television Day | | |
| Armed Forces Day | | |
| Dayton Peace Agreement Day | | |
| Dignity and Freedom Day | | |
| World Hello Day | | |
| National Stuffing Day | | |
| National Red Mitten Day | | |
| National Gingerbread Cookie Day | | |
| False Confession Day | | |
| National Farm-City Week | | |
| Independence Day | | |
| Go For a Ride Day | | |
| National Cranberry Relish Day | | |
| National Adoption Day | | |
| Teachers' Day | | |
| Albanian Alphabet Day (Albanian community) | | |
| Aura Awareness Day | | |
| Rudolf Maister Day | | |
| Fibonacci Day | | |
| Labor Thanksgiving Day | | |
| National Cashew Day | | |
| National Eat a Cranberry Day | | |
| National Espresso Day | | |
| Christ the King Day | | |
| St. George's Day | | |
| Sunday of the Dead | | |
| Martyrdom of Guru Tegh Bahadur Sahib | | |
| Celebrate Your Unique Talent Day | | |
| National Sardines Day | | |
| Martyrdom of Fatima | | |
| Labor Thanksgiving Day observed | | |
| D.B. Cooper Day | | |
| Independence Day | | |
| Statehood Day | | |
| International Day for the Elimination of Violence against Women | | |
| National Parfait Day | | |
| Blase' Day | | |
| Shopping Reminder Day | | |
