| President's Day | |  |
| Global Day of Parents | | |
| Madaraka Day | | |
| Statehood Day | | |
| World Reef Awareness Day | | |
| National Olive Day | | |
| National Heimlich Maneuver Day | | |
| National Go Barefoot Day | | |
| National Nail Polish Day | | |
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| National Say Something Nice Day | | |
| National Penpal Day | | |
| National Hazelnut Cake Day | | |
| Jefferson Davis' Birthday | | |
| Western Australia Day | | |
| Reconciliation Day | | |
| Queen's Birthday | | |
| Independence Day | | |
| Children's Day | | |
| Orthodox Pentecost Monday | | |
| Harvest Festival Day 2 observed | | |
| Gawai Dayak | | |
| Holy Spirit Monday | | |
| June Bank Holiday | | |
| Orthodox Pentecost holiday | | |
|
| Dinosaur Day | | |
| National Rose Month | | |
| World Milk Day | | |
| International Tabletop Day | | |
| National Adopt A Cat Month | | |
| National Iced Tea Month | | |
| National Papaya Month | | |
| Audiobook Month | | |
| National Pollinators Month | | |
| National Dairy Month | | |
| National Camping Month | | |
| Men’s Health Month | | |
| National Candy Month | | |
| Turkey Lovers Month | | |
| National Fresh Fruit And Vegetables Month | | |
| Care For Your Grandparents Month | | |
| International Mud Month | | |
| National Great Outdoors Month | | |
| National Zoo And Aquarium Month | | |
| National Soul Food Month | | |
| Children's Day | | |
| National Homeownership Month | | |
| Republic Day | | |
| Isabel Province Day | | |
| National Rotisserie Chicken Day | | |
| National Rocky Road Day | | |
| National Bubba Day | | |
| National Leave The Office Early Day | | |
| Gawai Dayak Holiday | | |
| Opium Suppression Movement Day | | |
| European Bicycle Day | | |
| Martyr's Day | | |
| National Egg Day | | |
| National Repeat Day | | |
| National Chocolate Macaroons Day | | |
|
| Global Running Day | | |
| Jefferson Davis' Birthday | | |
| Chimborazo Day | | |
| World Bicycle Day | | |
| World Cider Day | | |
| International Day of Innocent Children Victims of Aggression | | |
| National Cheese Day | | |
| National Old Maids Day | | |
| National Cognac Day | | |
| National SAFE Day | | |
| Corpus Christi | | |
| Emancipation Day | | |
| Eid-e-Ghadir | | |
| Hug Your Cat Day | | |
| National Moonshine Day | | |
| World Environment Day | | |
| President´s Day | | |
| Constitution Day | | |
| National Gingerbread Day | | |
| National Veggie Burger Day | | |
| National Donut Day | | |
| Randol Fawkes Labour Day | | |
| T. T. Bank Holiday | | |
| Hot Air Balloon Day | | |
| National Fish And Chip Day | | |
| National Sausage Roll Day | | |
| Memorial Day | | |
| National day | | |
| Queensland Day | | |
| Visually Impaired People Day | | |
| Chosun Children's Union Foundation Day | | |
| D-Day | | |
| National Eyewear Day | | |
| National Higher Education Day | | |
| National Gardening Exercise Day | | |
| National Yo-Yo Day | | |
| National Drive In Movie Day | | |
| National Applesauce Cake Day | | |
| National Black Bear Day | | |
| National Bubbly Day | | |
| National Prairie Day | | |
| National Trails Day | | |
| Wear BLUE Day | | |
| The Yang di-Pertuan Agong's Birthday | | |
| National Caves And Karst Day | | |
| Russian Language Day | | |
| Anniversary of the Memorandum of the Slovak Nation | | |
| Sette Giugno | | |
| Flag Day | | |
| Dissolution of union with Sweden (1905) | | |
| National Boone Day | | |
| National Chocolate Ice Cream Day | | |
| National VCR Day | | |
| National Cancer Survivors Day | | |
| Father's Day | | |
|
| Fathers' Day | | |
| World Food Safety Day | | |
| World Oceans Day | | |
| Temotu Province Day | | |
| National Best Friends Day | | |
| National Name Your Poison Day | | |
| National Upsy Daisy Day | | |
| Sovereign's Birthday | | |
| Queen's Birthday | | |
| Corpus Christi | | |
| Day of Murcia | | |
| Day of La Rioja | | |
| National Heroes Day | | |
| National Donald Duck Day | | |
| National Strawberry Rhubarb Pie Day | | |
| Call Your Doctor Day | | |
| Portugal Day | | |
| Reconciliation Day | | |
| National Ballpoint Pen Day | | |
| National Iced Tea Day | | |
| National Black Cow Day | | |
| National Herbs and Spices Day | | |
| Abolition Day | | |
| National Making Life Beautiful Day | | |
| National Corn on the Cob Day | | |
| National German Chocolate Cake Day | | |
| National Career Nurse Assistants Day | | |
| Kamehameha Day | | |
| International Yarn Bombing Day | | |
| Chaco Armistice | | |
| Brazilian Valentine's Day | | |
| World Day Against Child Labour | | |
| Independence Day | | |
| Peace Day | | |
| National Red Rose Day | | |
| National Jerky Day | | |
| National Peanut Butter Cookie Day | | |
| National Loving Day | | |
| Russia Day | | |
| Democracy Day | | |
| Superman Day | | |
| International Falafel Day | | |
| San Antonio | | |
| International Axe Throwing Day | | |
| National Kitchen Klutzes of America Day | | |
| Random Acts of Light Day | | |
| National Weed Your Garden Day | | |
| National Sewing Machine Day | | |
| National Rosé Day | | |
| Sovereign's Birthday | | |
| Queen's Birthday | | |
| International Albinism Awareness Day | | |
| World Doll Day | | |
| World Gin Day | | |
| World Softball Day | | |
| International Rock Day | | |
| World Blood Donor Day | | |
| Liberation Day | | |
| Freedom Day | | |
| Army Birthday | | |
| Flag Day | | |
| International Bath Day | | |
| National Strawberry Shortcake Day | | |
| National Pop Goes the Weasel Day | | |
| National Bourbon Day | | |
| National Children’s Day | | |
| World Elder Abuse Awareness Day | | |
| National Smile Power Day | | |
| Nature Photography Day | | |
| Queen's Birthday | | |
| National Heroes Day | | |
| Sacred Heart | | |
| Beer Day Britain | | |
| World Tapas Day | | |
| Bloomsday | | |
| National Fudge Day | | |
| International Day of Family Remittances | | |
| Youth Day | | |
| Fresh Veggies Day | | |
| Arborist Appreciation Day | | |
| World Day to Combat Desertification and Drought | | |
| Icelandic Republic Day | | |
| Bunker Hill Day | | |
| Commemoration of General Don MartÃn Miguel de Güemes | | |
| Global Garbage Man Day | | |
| National Eat Your Vegetables Day | | |
| National Stewart’s Root Beer Day | | |
| National Apple Strudel Day | | |
| National Cherry Tart Day | | |
| Muharram / Islamic New Year | | |
| Father's Day | | |
| King's Mother's Birthday | | |
| Constitution Day | | |
| International Picnic Day | | |
| International Panic Day | | |
| National Go Fishing Day | | |
| National Splurge Day | | |
| National Dump the Pump Day | | |
| Martyrdom of Guru Arjan Dev Sahib | | |
| International Sushi Day | | |
| Clean Your Aquarium Day | | |
| José Artigas´ Birthday Memorial | | |
| Sauntering Day | | |
| National FreeBSD Day | | |
| National Garfield the Cat Day | | |
| National Martini Day | | |
| National Watch Day | | |
| National Take Back the Lunch Break Day | | |
| Juneteenth | | |
| Emancipation Day | | |
| International Day for the Elimination of Sexual Violence in Conflict | | |
| Dragon Boat Festival | | |
| Midsummer Eve | | |
| Flag Day | | |
| World Refugee Day | | |
| American Eagle Day | | |
| Martyrs' Day | | |
| Labor Day | | |
| National Kouign Amann Day | | |
| National Hike with a Geek Day | | |
| National Vanilla Milkshake Day | | |
| National Ice Cream Soda Day | | |
| West Virginia Day | | |
| June Solstice | | |
| Midsummer Day | | |
| World Juggling Day | | |
| International Surfing Day | | |
| Aymara New Year Day | | |
| International Day of Yoga | | |
| National Day | | |
| Day of the Martyrs | | |
| Music Festival | | |
| National Selfie Day | | |
| National Peaches ‘N’ Cream Day | | |
| National Day of the Gong | | |
| Go Skateboarding Day | | |
| National Daylight Appreciation Day | | |
| Turkey Lovers’ Day | | |
| National Seashell Day | | |
| June Solstice | | |
| Father's Day | | |
| National Indigenous Peoples Day | | |
| Galla Bayramy (Wheat Harvest Festival) | | |
| World Giraffe Day | | |
| Make Music Day | | |
| National Smoothie Day | | |
| World Music Day | | |
| World Motorcycle Day | | |
| Aymara New Year Day holiday | | |
| Day of Antifascist Struggle | | |
| Remembrance Day of Victims of the Great Patriotic War | | |
| National Chocolate Eclair Day | | |
| National HVAC Tech Day | | |
| Discovery Day | | |
| Teachers' Day | | |
| Windrush Day | | |
| Onion Ring Day | | |
| National Kissing Day | | |
| World Rainforest Day | | |
| Public Service Day | | |
| International Widows' Day | | |
| National Day | | |
| Victory Day | | |
| Statehood Day | | |
| Typewriter Day | | |
| National Pink Day | | |
| National Hydration Day | | |
| National Pecan Sandies Day | | |
| Midsummer Eve | | |
| Father's Day | | |
| Jura Independence Day | | |
| National Porridge Day | | |
| International Women In Engineering Day | | |
| Carabobo Battle | | |
| Swim a Lap Day | | |
| Farmer Day | | |
| Inti Raymi Day | | |
| St. John's Day | | |
| National Pralines Day | | |
| National Parchment Day | | |
| Midsummer Day | | |
| International Fairy Day | | |
| National Tell An Old Joke Day | | |
| National Upcycling Day | | |
| Day of the Seafarer | | |
| Statehood Day | | |
| Please Take my Children to Work Day | | |
| Independence Day | | |
| National Strawberry Parfait Day | | |
| National Catfish Day | | |
| National Leon Day | | |
| National Bomb Pop Day | | |
| National Handshake Day | | |
| Tassoua | | |
| First Day of Ashura | | |
| Day of Achura | | |
| Color TV Day | | |
| Goats Cheese Day | | |
| Global Beatles Day | | |
| National Sports Day | | |
| International Day Against Drug Abuse and Illicit Trafficking | | |
| International Day in Support of Victims of Torture | | |
| Independence Day | | |
| Flag Day | | |
| Independence of British Somaliland | | |
| National Coconut Day | | |
| National Beautician’s Day | | |
| National Chocolate Pudding Day | | |
| Take Your Dog to Work Day | | |
| Ashura | | |
| National Cream Tea Day | | |
| National Canoe Day | | |
| World Refrigeration Day | | |
| Day of Turkmen Workers of Culture and Art | | |
| Helen Keller Day | | |
| Independence Day | | |
| Day of National Unity | | |
| National Onion Day | | |
| National Ice Cream Cake Day | | |
| National Sunglasses Day | | |
| National Orange Blossom Day | | |
| National PTSD Awareness Day | | |
| Architecture Day | | |
| UK Armed Forces Day | | |
| International Pineapple Day | | |
| St Vitus Day | | |
| Constitution Day | | |
| Tau Day | | |
| Vietnamese Family Day | | |
| Christopher Street Day | | |
| National Paul Bunyan Day | | |
| Father's Day | | |
| International Body Piercing Day | | |
| National Ceviche Day | | |
| National Tapioca Day | | |
| National Insurance Awareness Day | | |
| Log Cabin Day | | |
| Saints Peter and Paul | | |
| National Day | | |
| Central Province Day | | |
| National Camera Day | | |
| National Waffle Iron Day | | |
| National Almond Buttercrunch Day | | |
| International Mud Day | | |
| Internal Autonomy Day | | |
| Hug Holiday | | |
| International Day Of The Tropics | | |
| June 30 Revolution | | |
| Revolution Day | | |
| National Prayer Day | | |
| Independence Day | | |
| Army Day | | |
| National Meteor Watch Day | | |
| Social Media Day | | |
| National OOTD Day | | |
| International Asteroid Day | | |
| National Corvette Day | | |
