Daily Observances | Weekly Observances | Monthly Observances
Want an idea for a book display? Or do you want to plan ahead to jump on a topic for social media? Check out our list of observances and celebrations throughout the year.
January
- January 1
- National Bloody Mary Day
- National Hangover Day
- New Years Day
- January 2
- National Buffet Day
- National Cream Puff Day
- National Personal Trainer Awareness Day
- National Science Fiction Day
- January 3
- National Chocolate-Covered Cherry Day
- National Drinking Straw Day
- National Fruitcake Toss Day
- January 4
- National Missouri Day
- National Spaghetti Day
- National Trivia Day
- January 5
- National Bird Day
- National Keto Day
- National Screenwriters Day
- National Whipped Cream Day
- January 6
- Epiphany (Last day of the Twelve Days of Christmas)
- National Bean Day
- National Cuddle Up Day
- National Shortbread Day
- National Technology Day
- January 7
- National Bobblehead Day
- National Tempura Day
- January 8
- National Argyle Day
- National English Toffee Day
- National Joygerm Day
- National Winter Skin Relief Day
- January 9
- National Apricot Day
- National Law Enforcement Appreciation Day
- National Static Electricity Day
- National Shop for Travel Day
- January 10
- National Bittersweet Chocolate Day
- National Cut Your Energy Costs Day
- National Oysters Rockefeller Day
- National Save the Eagles Day
- January 11
- National Arkansas Day
- National Human Trafficking Awareness Day
- National Milk Day
- National Step in the Puddle and Splash Your Friends Day
- January 12
- Kiss a Ginger Day
- National Curried Chicken Day
- National Marzipan Day
- National Pharmacist Day
- January 13
- Korean American Day
- National Peach Melba Day
- National Rubber Ducky Day
- National Sticker Day
- National Sunday Supper Day
- Stephen Foster Memorial Day
- January 14
- National Clean Off Your Desk Day
- National Dress Up Your Pet Day
- National Hot Pastrami Sandwich Day
- Ratification Day
- January 15
- National Hat Day
- National Strawberry Ice Cream Day
- January 16
- National Fig Newton Day
- National Nothing Day
- National Religious Freedom Day
- National Without a Scalpel Day
- January 17
- National Bootlegger's Day
- National Hot Buttered Rum Day
- January 18
- National Michigan Day
- National Peking Duck Day
- National Winnie the Pooh Day
- National Thesaurus Day
- January 19
- National Popcorn Day
- World Quark Day
- January 20
- National Buttercrunch Day
- National Cheese Lover's Day
- National Disc Jockey Day
- January 21
- National Granola Bar Day
- National Hugging Day
- Squirrel Appreciation Day
- January 22
- National Blondie Brownie Day
- January 23
- National Handwriting Day
- National Pie Day
- January 24
- Beer Can Appreciation Day
- National Compliment Day
- National Peanut Butter Day
- January 25
- National Florida Day
- National Irish Coffee Day
- National Opposite Day
- January 26
- National Green Juice Day
- National Peanut Brittle Day
- National Spouses Day
- January 27
- National Chocolate Cake Day
- January 28
- Data Privacy Day
- National Blueberry Pancake Day
- National Have Fun at Work Day
- National Kazoo Day
- January 29
- National Corn Chip Day
- National Puzzle Day
- January 30
- National Croissant Day
- January 31
- National Backward Day
- National Inspire Your Heart with Art Day
- Other
- First Monday - National Thank God It's Monday Day
- Second Sunday - National Sunday Supper Day
- Second Monday - National Clean Off Your Desk Day
- Second Saturday - National Vision Board Day
- Third Monday - Martin Luther King Jr. Day
- Third Thursday - Get to Know Your Customers Day
- Fourth Wednesday - Library Shelfie Day
- Last Monday - National Bubble Wrap Appreciation Day
- Last Friday - National Big Wig Day
- Last Saturday - National Seed Swap Day
February
- February 1
- National Baked Alaska Day
- National Bubble Gum Day
- National Freedom (from Slavery) Day
- National Get Up Day
- National Serpent Day
- National Texas Day
- February 2
- National Groundhog Day
- National Heavenly Hash Day
- National Tater Tot Day
- February 3
- National Carrot Cake Day
- National Day the Music Died Day
- National Missing Person Day
- National Women Physicians Day
- February 4
- Constitution Day (Mexico)
- National Create a Vacuum Day
- National Homemade Soup Day
- National Thank a Mail Carrier Day
- February 5
- Chinese New Year
- National Shower with a Friend Day
- National Weatherperson's Day
- World Nutella Day
- February 6
- National Frozen Yogurt Day
- National Lame Duck Day
- February 7
- National Fettuccine Alfredo Day
- National Periodic Table Day
- National Send a Card a Friend Day
- February 8
- National Boy Scouts Day
- National Iowa Day
- National Kite Flying Day
- February 9
- National Bagel Day
- National Pizza Day
- National Toothache Day
- February 10
- National Cream Cheese Brownie Day
- National Home Warranty Day
- National Umbrella Day
- February 11
- International Day of Women and Girls in Science
- National Don't Cry Over Spilled Milk Day
- National Investors' Day
- National Make a Friend Day
- National Peppermint Patty Day
- National Shut-in Visitation Day
- National White Shirt Day
- February 12
- National Plum Day
- February 13
- National Tortellini Day
- February 14
- National Cream-Filled Chocolates Day
- National Ferris Wheel Day
- National Organ Donor Day
- Valentine's Day
- February 15
- National Gumdrop Day
- National Wisconsin Day
- Singles Awareness Day
- February 16
- National Almond Day
- National Do a Grouch a Favor Day
- February 17
- National Cabbage Day
- National Random Acts of Kindness Day
- February 18
- National Battery Day
- National Crab-Stuffed Flounder Day
- National Drink Wine Day
- February 19
- National Chocolate Mint Day
- National Lash Day
- National Vet Girls Rock Day
- February 20
- National Cherry Pie Day
- National Love Your Pet Day
- February 21
- National Grain-Free Day
- National Sticky Bun Day
- February 22
- National California Day
- National Cook a Sweet Potato Day
- National Margarita Day
- February 23
- National Banana Bread Day
- National Dog Biscuit Day
- National Tile Day
- National Toast Day
- February 24
- Flag Day (Mexico)
- National Tortilla Chip Day
- February 25
- National Chocolate-Covered Nut Day
- National Clam Chowder Day
- February 26
- National Pistachio Day
- National Tell a Fairy Tale Day
- February 27
- National Kahlua Day
- National Polar Bear Day
- National Retro Day
- National Strawberry Day
- February 28
- National Chocolate Souffle Day
- National Floral Design Day
- National Tooth Fairy Day
- National Public Sleeping Day
- Other
- First Tuesday - Safer Internet Day
- First Wednesday - National Girls & Women in Sports Day
- First Friday - Bubble Gum Day
- First Friday - National Wear Red Day
- Second Monday - National Clean Out Your Computer Day
- Third Monday - Presidents Day
- Third Friday - National Caregivers Day
- Fourth Thursday - National Chili Day
- Fourth Friday - National Skip the Straw Day
- Last Tuesday - Spay Day USA
- Last Day - Rare Disease Day USA
March
- March 1
- National Dadgum That's Good Day
- National Fruit Compote Day
- National Horse Protection Day
- National Minnesota Day
- National Peanut Butter Lover's Day
- National Pig Day
- National Read Across America Day (Dr. Seuss Day) - Moves to closest school day if it falls on a weekend
- March 2
- National Banana Cream Pie Day
- National Old Stuff Day
- National Speech and Debate Education Day
- March 3
- National Anthem Day
- National Cold Cuts Day
- National I Want You to be Happy Day
- National Mulled Wine Day
- National Soup It Forward Day
- March 4
- Marching Music Day
- National Grammar Day
- National Hug a G.I. Day
- National Pound Cake Day
- March 5
- National Absinthe Day
- National Cheese Doodle Day
- National Multiple Personality Day
- March 6
- Ash Wednesday
- National Dress Day
- National Dentist's Day
- National Frozen Food Day
- National Oreo Cookie Day
- National White Chocolate Cheesecake Day
- March 7
- National Be Heard Day
- National Cereal Day
- National Crown of Roast Pork Day
- March 8
- International Women's Day
- National Oregon Day
- National Peanut Cluster Day
- National Proofreading Day
- March 9
- National Barbie Day
- National Crabmeat Day
- National Get Over It Day
- National Meatball Day
- March 10
- National Blueberry Popover Day
- National Mario Day
- National Pack Your Lunch Day
- National Women and Girls HIV/AIDS Awareness Day
- March 11
- Eastern Orthodox Lent Begins
- National Funeral Director and Mortician Recognition Day
- National Johnny Appleseed Day
- National Oatmeal Nut Waffles Day
- National Promposal Day
- National Worship of Tools Day
- March 12
- National Girl Scout Day
- National Plant a Flower Day
- March 13
- National Coconut Torte Day
- National Earmuff Day
- National Good Samaritan Day
- National Jewel Day
- National K-9 Veterans Day
- National Open an Umbrella Indoors Day
- March 14
- National Write Your Story Day
- National Children's Craft Day
- National Learn About Butterflies Day
- National Pi Day
- National Potato Chip Day
- March 15
- National Everything You Think Is Wrong Day
- National Kansas Day
- National Pears Helene Day
- National Shoe the World Day
- March 16
- National Artichoke Hearts Day
- National Everything You Do Is Right Day
- National Freedom of Information Day
- National Panda Day
- March 17
- National Corned Beef and Cabbage Day
- St. Patrick's Day
- March 18
- Benito Juarez's Birthday (Mexico)
- National Awkward Moments Day
- National Biodiesel Day
- National Lacy Oatmeal Cookie Day
- National Sloppy Joe Day
- National Supreme Sacrifice Day
- March 19
- National Certified Nurses Day
- National Chocolate Caramel Day
- National Let's Laugh Day
- National Poultry Day
- March 20
- National Native HIV/AIDS Awareness Day
- National Proposal Day
- National Ravioli Day
- Purim Begins
- Spring Begins
- March 21
- National California Strawberry Day
- National Common Courtesy Day
- National Countdown Day
- National Fragrance Day
- National French Bread Day
- National Single Parents Day
- March 22
- National Bavarian Crepes Day
- National Goof Off Day
- National West Virginia Day
- March 23
- National Chia Day
- National Chip and Dip Day
- National Near Miss Day
- National Melba Toast Day
- National Puppy Day - Moves to Monday or Friday if it falls on weekend
- March 24
- National Chocolate-Covered Raisin Day
- March 25
- National Lobster Newburg Day
- National Medal of Honor Day
- National Tolkien Reading Day
- March 26
- Epilepsy Awareness (Purple) Day
- National Nougat Day
- National Spinach Day
- March 27
- National Joe Day
- National Scribble Day
- National Spanish Paella Day
- March 28
- National Black Forest Cake Day
- National Something on a Stick Day
- National Triglycerides Day
- National Weed Appreciation Day
- March 29
- National Lemon Chiffon Cake Day
- National Mom and Pop Business Owners Day
- National Nevada Day
- National Vietnam War Veterans Day
- March 30
- National Doctors Day
- National I Am in Control Day
- National Pencil Day
- National Take a Walk in the Park Day
- National Turkey Neck Soup Day
- Virtual Vacation Day
- March 31
- National Bunsen Burner Day
- National Clams on the Half Shell Day
- National Crayon Day
- National Prom Day
- National Tater Day
- Other
- First Friday - National Dress in Blue Day
- First Friday - National Employee Appreciation Day
- First Sunday - Finisher's Medal Day
- Day before Ash Wednesday - Fat Tuesday
- Friday after Ash Wednesday - National Tartar Sauce Day
- Second Wednesday - National Registered Dietitian Nutritionist Day
- Second Friday - National Day of Unplugging
- Second Sunday - Daylight Saving Time
- Third Monday - National Napping Day
- Third Tuesday - World Social Work Day
- Third Wednesday - National Small Business Development Centers (SBDC) Day
- Third Thursday - National Farm Rescuer Day
- Third Saturday - National Quilting Day
- Fourth Tuesday - National American Diabetes Association Alert Day
- Last Wednesday - Manatee Appreciation Day
- Last Wednesday - National Little Red Wagon Day
April
- April 1
- April Fools' Day
- National One Cent Day
- National Sourdough Bread Day
- April 2
- National Employee Benefits Day - Moves to following Monday if it falls on a weekend
- National Ferret Day
- National Peanut Butter and Jelly Day
- National Reconciliation Day
- April 3
- National Chocolate Mousse Day
- National Film Score Day
- National Find a Rainbow Day
- National Tweed Day
- World Party Day
- April 4
- Jeep 4x4 Day
- National Chicken Cordon Bleu Day
- National Hug a Newsperson Day
- National School Librarian Day
- National Vitamin C Day
- National Walk Around Things Day
- April 5
- National Caramel Day
- National Deep Dish Pizza Day
- National Flash Drive Day
- National Go for Broke Day
- National Nebraska Day
- National Raisin and Spice Bar Day
- National Read a Road Map Day
- April 6
- National Caramel Popcorn Day
- National Sorry Charlie Day
- National Student Athlete Day
- National Tartan Day
- National Teflon Day
- New Beer's Eve
- April 7
- National Beer Day
- National Coffee Cake Day
- National Girl, Me Too Day
- National Handmade Day
- National No Housework Day
- April 8
- National All is Ours Day
- National Empanada Day
- National Zoo Lovers Day
- April 9
- National Cherish an Antique Day
- National Chinese Almond Cookie Day
- National Former Prisoner of War Recognition Day
- National Name Yourself Day
- National Winston Churchill Day
- National Unicorn Day
- April 10
- National Cinnamon Crescent Day
- National Encourage a Young Writer Day
- National Farm Animals Day
- National Siblings Day
- April 11
- National Barber Shop Quartet Day
- National Cheese Fondue Day
- National Eight Track Tape Day
- National Pet Day
- National Submarine Day
- April 12
- National Big Wind Day
- National Colorado Day
- National Grilled Cheese Sandwich Day
- National Licorice Day
- April 13
- National Make Lunch Count Day
- National Peach Cobbler Day
- National Scrabble Day
- National Thomas Jefferson Day
- April 14
- National Dolphin Day
- National Ex Spouse Day
- National Gardening Day
- National Pan American Day
- National Pecan Day
- National Reach as High as You Can Day
- Palm Sunday
- April 15
- National Glazed Spiral Ham Day
- National Rubber Eraser Day
- National Take a Wild Guess Day
- National Tax Day
- National Titanic Remembrance Day
- April 16
- National Bean Counter Day
- National Eggs Benedict Day
- National Healthcare Decisions Day
- National Orchid Day
- National Wear Your Pajamas to Work Day
- April 17
- National Bat Appreciation Day
- National Cheeseball Day
- National Ellis Island Family History Day
- National Haiku Poetry Day
- April 18
- National Animal Crackers Day
- National Columnists' Day
- National Lineman Appreciation Day
- April 19
- Good Friday
- National Amaretto Day
- National Garlic Day
- National Hanging Out Day
- National North Dakota Day
- National Oklahoma City Bombing Commemoration Day
- Passover Begins
- April 20
- National Cheddar Fries Day
- National Lima Bean Respect Day
- National Look Alike Day
- National Pineapple Upside Down Cake Day
- April 21
- Easter
- National Chocolate-Covered Cashews Day
- National Kindergarten Day
- National Yellow Bat Day
- April 22
- Easter Monday (Canada)
- National Earth Day
- National Girl Scout Leader's Day
- National Jelly Bean Day
- April 23
- National Cherry Cheesecake Day
- National Lost Dogs Awareness Day
- National Picnic Day
- National Take a Chance Day
- National Talk Like Shakespeare Day
- April 24
- National Pigs in a Blanket Day
- April 25
- National DNA Day
- National East Meets West Day
- National Telephone Day
- National Zucchini
- April 26
- National Audubon Day
- National Dissertation Day
- National Help a Horse Day
- National Kids and Pets Day
- National Pretzel Day
- National Richter Scale Day
- National South Dakota Day
- April 27
- National Babe Ruth Day
- National Devil Dog Day
- National Prime Rib Day
- National Tell a Story Day
- April 28
- Eastern Orthodox Easter
- National Blueberry Pie Day
- National BraveHearts Day
- National Great Poetry Reading Day
- National Superhero Day
- Workers' Memorial Day
- April 29
- National Peace Rose Day
- National Shrimp Scampi Day
- National Zipper Day
- April 30
- National Adopt a Shelter Pet Day
- National Bubble Tea Day
- National Bugs Bunny Day
- National Hairstylist Appreciation Day
- National Honesty Day
- National Military Brats Day
- National Oatmeal Cookie Day
- National Prepareathon Day
- National Raisin Day
- National Sarcoidosis Day
- Other
- First Tuesday - Sexual Assault Awareness Month (SAAM) Day of Action
- First Wednesday - Childhelp National Day of Hope
- First Wednesday - National Walking Day
- First Thursday - National Burrito Day
- First Thursday - National Alcohol Screening Day
- First Saturday - National Love Our Children Day
- Tuesday of National Library Week - National Library Workers Day
- Wednesday of National Library Week - National Bookmobile Day
- Eleventh day of the month of Nisan on the Jewish calendar - National Education and Sharing Day
- Third Thursday - National High Five Day
- Third Thursday - National Get to Know Your Customers Day
- Third Saturday - National Auctioneers Day
- Third Saturday - National Record Store Day
- Fourth Thursday - National Take Our Sons and Daughters to Work Day
- Last Wednesday - Administrative Professionals Day
- Last Friday - National Arbor Day
- Last Friday - National Hairball Awareness Day
- Last Saturday - Independent Bookstore Day
- Last Saturday - National Kiss of Hope Day
- Last Saturday - National Pool Opening Day
- Last Saturday - National Rebuilding Day
- Last Saturday - National Sense of Smell Day
- Last Sunday - National Pet Parents Day
May
- May 1
- Labor Day (Mexico)
- Law Day
- May Day
- National Chocolate Parfait Day
- National Loyalty Day
- National Mother Goose Day
- School Principals' Day
- Silver Star Service Banner Day
- May 2
- Holocaust Remembrance Day
- National Life Insurance Day
- National Day of Prayer
- National Truffle Day
- May 3
- National Chocolate Custard Day
- National Garden Meditation Day
- National Lumpy Rug Day
- National Montana Day
- National Paranormal Day
- National Raspberry Popover Day
- National Specially-Abled Pets Day
- National Storage Area Network (SAN) Architect Day
- National Textiles Day
- National Two Different Colored Shoes Day
- May 4
- Bird Day
- National Candied Orange Peel Day
- National Orange Juice Day
- National Renewal Day
- National Star Wars Day
- National Weather Observers Day
- May 5
- Battle of Puebla Day (Mexico)
- Cinco de Mayo
- First of Ramadan Begins
- National Astronaut Day
- National Cartoonists Day
- National Hoagie Day
- National Silence the Shame Day
- National Totally Chipotle Day
- May 6
- National Beverage Day
- National Crepe Suzette Day
- National Nurses Day
- May 7
- National Barrier Awareness Day
- National Packaging Design Day
- National Paste-Up Day
- National Roast Leg of Lamb Day
- May 8
- National Coconut Cream Pie Day
- National Have a Coke Day
- National Student Nurse Day
- May 9
- National Butterscotch Brownie Day
- National Lost Sock Memorial Day
- National Moscato Day
- National Sleepover Day
- May 10
- Mother's Day (Mexico)
- National Clean Up Your Room Day
- National Lipid Day
- National Shrimp Day
- National Washington Day
- May 11
- National Eat What You Want Day
- National Foam Rolling Day
- National Twilight Zone Day
- May 12
- Mother's Day
- National Fibromyalgia Awareness Day
- National Limerick Day
- National Nutty Fudge Day
- National Odometer Day
- May 13
- National Apple Pie Day
- National Crouton Day
- National Frog Jumping Day
- National Fruit Cocktail Day
- May 14
- National Buttermilk Biscuit Day
- National Dance Like a Chicken Day
- National Underground America Day
- May 15
- National Chocolate Chip Day
- National Nylon Stockings Day
- Peace Officers Memorial Day
- May 16
- Honor Our LGBT Elders Day
- National Biographer's Day
- National Coquilles Saint Jacques Day
- National Do Something Good for Your Neighbor Day
- National Love a Tree Day
- National Piercing Day
- National Sea Monkey Day
- May 17
- National Cherry Cobbler Day
- National Graduation Tassel Day
- National Idaho Day
- National Pack Rat Day
- National Walnut Day
- May 18
- Armed Forces Day
- National Cheese Souffle Day
- National HIV Vaccine Awareness Day
- National No Dirty Dishes Day
- National Visit Your Relatives Day
- May 19
- National Devil's Food Cake Day
- National May Ray Day
- May 20
- National Be a Millionaire Day
- National Pick Strawberries Day
- National Quiche Lorraine Day
- National Rescue Dog Day
- Victoria Day (Canada)
- May 21
- National American Red Cross Founder's Day
- National Memo Day
- National Strawberries and Cream Day
- National Waitstaff Day
- May 22
- National Buy a Musical Instrument Day
- National Craft Distillery Day
- National Maritime Day
- National Solitaire Day
- National Vanilla Pudding Day
- May 23
- National Lucky Penny Day
- National Taffy Day
- May 24
- Aviation Maintenance Technician Day
- Brother's Day
- National Escargot Day
- National Scavenger Hunt Day
- National Wyoming Day
- May 25
- National Brown-Bag It Day
- National Missing Children's Day
- National Tap Dance Day
- National Wine Day
- Towel Day
- May 26
- National Blueberry Cheesecake Day
- May 27
- Memorial Day
- National Cellophane Tape Day
- National Grape Popsicle Day
- May 28
- National Brisket Day
- National Hamburger Day
- May 29
- National Coq Au Vin Day
- National Paperclip Day
- May 30
- Loomis Day
- National Creativity Day
- National Hole in My Bucket Day
- National Mint Julep Day
- National Water a Flower Day
- May 31
- National Autonomous Vehicle Day
- National Macaroon Day
- National Save Your Hearing Day
- National Smile Day
- National Speak in Sentences Day
- National Utah Day
- Necrotizing Fasciitis Awareness Day
- Other
- First Monday - National Melanoma Monday
- First Tuesday - National Foster Care Day
- First Tuesday - National Teacher Appreciation Day
- First Thursday - National Day of Prayer
- First Thursday - National Day of Reason
- First Thursday - National Password Day
- First Friday - National Space Day
- First Friday - School Lunch Hero Day
- First Saturday - Free Comic Book Day
- First Saturday - Join Hands Day
- First Saturday - Kentucky Derby
- First Saturday - National Bombshells' Day
- First Saturday - National Fitness Day
- First Saturday - National Homebrew Day
- First Saturday - National Scrapbook Day
- First Saturday - National Start Seeing Monarchs Day
- First Sunday - National Lemonade Day
- Friday before Mother's Day - National Military Spouse Appreciation Day
- Friday before Mother's Day - National Provider Appreciation Month
- Saturday before Mother's Day - National Babysitter's Day
- Saturday before Mother's Day - National Birth Mother's Day
- Sunday before Mother's Day - National Infertility Survival Day
- Wednesday of National Nurses Week - National School Nurse Day
- Second Monday - National Women's Checkup Day
- Third Wednesday - National Juice Slush Day
- Second Wednesday - National Receptionists' Day
- Second Wednesday - National Third Shift Workers Day
- Second Saturday - National Archery Day
- Second Saturday - National Cornelia De Lange Syndrome Awareness Day
- Second Saturday - National Miniature Golf Day
- Second Saturday - National Stamp Out Hunger Food Drive Day
- Second Saturday - National Dog Mom's Day
- Second Sunday - Mother's Day
- Thursday before Victoria Day - National Caesar Day
- Wednesday of Emergency Medical Service Week - Emergency Medical Services for Children Day
- Third Friday - NASCAR Day
- Third Friday - National Bike to Work Day
- Third Friday - National Defense Transportation Day
- Third Friday - National Endangered Species Day
- Third Friday - National Pizza Day
- Third Saturday - National Armed Forces Day
- Third Saturday - National Learn to Swim Day
- Third Sunday - National Take Your Parents to the Playground Day
- Friday before Memorial Day - National Don't Fry Day
- Last Monday - Memorial Day
- Last Wednesday - National Senior Health and Fitness Day
- Last Friday - National Heat Awareness Day
June
- June 1
- National Go Barefoot Day
- National Hazelnut Cake Day
- National Heimlich Maneuver Day
- National Nail Polish Day
- National Olive Day
- National Penpal Day
- National Say Something Nice Day
- June 2
- National Bubba Day
- National Leave the Office Early Day - Moves to closest workday if it falls on a weekend
- National Rocky Road Day
- National Rotisserie Chicken Day
- June 3
- National Chocolate Macaroon Day
- National Egg Day
- National Repeat Day
- June 4
- (Eid) al Fitr Begins
- National Cheese Day
- National Cognac Day
- National Old Maid's Day
- National SAFE (Firearms Safety) Day
- June 5
- National Gingerbread Day
- National Moonshine Day
- National Veggie Burger Day
- June 6
- D-Day
- National Applesauce Cake Day
- National Drive-in Movie Day
- National Eyewear Day
- National Gardening Exercise Day
- National Higher Education Day
- National Yo-Yo Day
- June 7
- National Boone Day
- National Chocolate Ice Cream Day
- National Oklahoma Day
- National VCR Day
- June 8
- National Best Friends Day
- National Name Your Poison Day
- National Upsy Daisy Day
- June 9
- National Earl Day
- National Donald Duck Day
- National Strawberry Rhubarb Pie Day
- June 10
- National Ballpoint Pen Day
- National Black Cow Day
- National Herbs and Spices Day
- National Iced Tea Day
- June 11
- National Corn on the Cob Day
- National German Chocolate Cake Day
- National Making Life Beautiful Day
- June 12
- National Jerky Day
- National Loving Day
- National Peanut Butter Cookie Day
- National Red Rose Day
- June 13
- National Kitchen Klutzes of America Day
- National Random Acts of Light Day
- National Sewing Machine Day
- National Weed Your Garden Day
- June 14
- Army Birthday
- International Bath Day
- National Bourbon Day
- National Flag Day
- National New Mexico Day
- National Pop Goes the Weasel Day
- National Strawberry Shortcake Day
- June 15
- National Smile Power Day
- Nature Photography Day
- June 16
- Father's Day
- National Fudge Day
- June 17
- Global Garbage Man Day
- National Apple Strudel Day
- National Cherry Tart Day
- National Eat Your Vegetables Day
- National Stewart's Root Beer Day
- June 18
- National Go Fishing Day
- National Splurge Day
- June 19
- Juneteenth
- National FreeBSD (operating system) Day
- National Garfield the Cat Day
- National Martini Day
- National Watch Day
- June 20
- National Eagle Day
- National Hike with a Geek Day
- National Ice Cream Soda Day
- National Kouign Amann Day
- National Vanilla Milkshake Day
- June 21
- Go Skateboarding Day
- National Arizona Day
- National Day of the Gong
- National Daylight Appreciation Day
- National Peaches 'N' Cream Day
- National Selfie Day
- Summer Begins
- June 22
- National Chocolate Eclair Day
- National HVAC Tech Day
- National Onion Rings Day
- June 23
- National Hydration Day
- National Pecan Sandies Day
- National Pink Day
- June 24
- National Pralines Day
- St. Jean Baptiste Day (Quebec)
- June 25
- National Catfish Day
- National Leon Day
- National Strawberry Parfait Day
- June 26
- National Beautician's Day
- National Chocolate Pudding Day
- June 27
- National Ice Cream Cake Day
- National Onion Day
- National Orange Blossom Day
- National PTSD Awareness Day
- National Sunglasses Day
- June 28
- National Alaska Day
- National Insurance Awareness Day
- National Paul Bunyan Day
- June 29
- National Almond Buttercrunch Day
- National Camera Day
- National Waffle Iron Day
- June 30
- National Meteor Watch Day
- National Outfit of the Day (OOTD) Day
- Social Media Day
- Other
- First Wednesday - National Running Day
- First Friday - National Doughnut Day
- First Saturday - National Black Bear Day
- First Saturday - National Bubbly Day
- First Saturday - National Prairie Day
- First Saturday - National Trails Day
- First Sunday - National Cancer Survivor's Day
- Second Tuesday - National Call Your Doctor Day
- Second Saturday - National Rosé Day
- Second Sunday - National Children's Day
- First day of National Nursing Assistants Week - National Career Nursing Assistants Day
- Third Thursday - National Dump the Pump Day
- Third Friday - National Flip the Flop Day
- Third Friday - National Take Back the Lunch Day
- Third Sunday - Lovers' Day
- Third Sunday - Father's Day
- Friday after Father's Day - National Take Your Dog to Work Day
- First day of Summer - National Seashell Day
- Last Wednesday - National Parchment Day
- Last Thursday - National Bomb Pop Day
- Last Thursday - National Handshake Day
July
- July 1
- Canada Day (Canada)
- National Creative Ice Cream Flavors Day
- National Gingersnap Day
- National Postal Worker Day
- National U.S. Postage Stamp Day
- July 2
- National Anisette Day
- July 3
- International Drop a Rock Day
- National Chocolate Wafer Day
- National Eat Your Beans Day
- National Fried Clam Day
- July 4
- Independence Day
- National Barbecued Spareribs Day
- National Caesar Salad Day
- July 5
- National Apple Turnover Day
- National Bikini Day
- National Graham Cracker Day
- National Hawaii Day
- July 6
- National Fried Chicken Day
- July 7
- National Dive Bar Day
- National Father, Daughter Take a Walk Day
- National Macaroni Day
- National Strawberry Sundae Day
- July 8
- National Chocolate with Almonds Day
- July 9
- National Sugar Cookie Day
- July 10
- National Clerihew Day
- National Piña Colada Day
- July 11
- All-American Pet Photo Day
- National Blueberry Muffin Day
- National Cheer Up the Lonely Day
- National Mojito Day
- National Rainier Cherry Day
- National 7-Eleven Day
- July 12
- Eat Your Jello Day
- National Different Colored Eyes Day
- National Pecan Pie Day
- National Simplicity Day
- July 13
- National Beans 'N' Franks Day
- National Delaware Day
- National French Fry Day
- July 14
- National Grand Marnier Day
- National Mac and Cheese Day
- National Nude Day
- National Tape Measure Day
- July 15
- National Give Something Away Day
- National I Love Horses Day
- National Pet Fire Safety Day
- National Tapioca Pudding Day
- July 16
- National Corn Fritters Day
- National Personal Chef's Day
- July 17
- National Peach Ice Cream Day
- National Tattoo Day
- National Yellow Pig Day
- World Emoji Day
- Wrong Way Corrigan Day
- July 18
- National Caviar Day
- National Sour Candy Day
- July 19
- National Daiquiri Day
- July 20
- National Lollipop Day
- National Moon Day
- National Pennsylvania Day
- July 21
- National Be Someone Day
- National Junk Food Day
- July 22
- National Hammock Day
- National Penuche Fudge Day
- National Rat Catcher's Day
- July 23
- Gorgeous Grandma Day
- National Vanilla Ice Cream Day
- July 24
- National Amelia Earhart Day
- National Cousins Day
- National Drive-Thru Day
- National Tequila Day
- National Thermal Engineer Day
- July 25
- National Hire a Veteran Day
- National Hot Fudge Sundae Day
- National Merry-Go-Round Day
- National Threading the Needle Day
- National Wine and Cheese Day
- July 26
- All or Nothing Day
- National Aunt and Uncle's Day
- National Bagelfest Day
- National Coffee Milkshake Day
- National Intern Day
- July 27
- Love is Kind Day
- National Crème Brûlée Day
- National New Jersey Day
- National Scotch Day
- July 28
- Buffalo Soldiers Day
- National Milk Chocolate Day
- National Waterpark Day
- July 29
- National Chicken Wing Day
- National Lasagna Day
- National Lipstick Day
- July 30
- National Cheesecake Day
- National Father-in-Law Day
- National Whistleblower Day
- July 31
- National Avocado Day
- National Mutt Day
- National Raspberry Cake Day
- Other
- First Saturday - Hop-a-Park Day
- Third Monday - National Get Out of the Dog House Day
- Third Thursday - Get to Know Your Customers Day
- Third Saturday - National Strawberry Rhubarb Wine Day
- Third Saturday - Toss Away the "Could Haves" and "Should Haves" Day
- Third Sunday - National Ice Cream Day
- Fourth Thursday - National Refreshment Day
- Fourth Saturday - National Day of the Cowboy
- Fourth Sunday - National Parent's Day
- Last Thursday - National Chili Dog Day
- Last Friday - National Get Gnarly Day
- Last Friday - National System Administrator
- Last Friday - National Talk in an Elevator Day
- Last Saturday - National Dance Day
August
- August 1
- National Girlfriends Day
- National Mahjong Day
- National Minority Donor Awareness Day
- National Raspberry Cream Pie Day
- Respect for Parents Day
- Startup Day Across America
- August 2
- National Coloring Book Day
- National Ice Cream Sandwich Day
- August 3
- International Beer Day
- National Georgia Day
- National Grab Some Nuts Day
- National Watermelon Day
- August 4
- National Chocolate Chip Cookie Day
- National Coast Guard Day
- August 5
- Civic Holiday (Canada)
- National Oyster Day
- National Underwear Day
- National Work Like a Dog Day
- August 6
- National Fresh Breath Day
- National Root Beer Float Day
- National Wiggle Your Toes Day
- August 7
- National Lighthouse Day
- National Raspberries 'N' Cream Day
- Purple Heart Day
- August 8
- National Cannabidol (CBD) Day
- National Dollar Day
- National Frozen Custard Day
- National Happiness Happens Day
- National Sneak Some Zucchini Onto Your Neighbor's Porch Day
- August 9
- National Book Lovers Day
- National Rice Pudding Day
- National Veep Day
- August 10
- National Connecticut Day
- National Lazy Day
- National Shapewear Day
- National S'mores Day
- August 11
- (Eid) al Adha Begins
- National Presidential Joke Day
- National Raspberry Bombe Day
- National Son's and Daughter's Day
- August 12
- National Julienne Fries Day
- National Middle Child Day
- National Vinyl Record Day
- August 13
- Left-Handers Day
- National Filet Mignon Day
- National Prosecco Day
- August 14
- National Creamsicle Day
- National V-J Day
- August 15
- National Leathercraft Day
- National Lemon Meringue Pie Day
- National Relaxation Day
- August 16
- National Airborne Day
- National Roller Coaster Day
- National Rum Day
- National Tell a Joke Day
- August 17
- Black Cat Appreciation Day
- National I Love My Feet Day
- National Massachusetts Day
- National Nonprofit Day
- National Thrift Shop Day
- August 18
- National Fajita Day
- National Ice Cream Pie Day
- National Mail Order Catalog Day
- August 19
- International Bow Day
- National Aviation Day
- National Soft Ice Cream Day
- August 20
- National Chocolate Pecan Pie Day
- National Radio Day
- August 21
- National Brazilian Blowout Day
- National Senior Citizens Day
- National Spumoni Day
- August 22
- National Bao Day
- Never Bean Better Day
- National Pecan Torte Day
- National Tooth Fairy Day
- August 23
- National Ride the Wind Day
- National Sponge Cake Day
- August 24
- National Maryland Day
- National Peach Pie Day
- National Waffle Day
- August 25
- National Banana Split Day
- National Kiss and Make Up Day
- National Park Service Founder's Day
- National Secondhand Wardrobe Day
- National Whiskey Sour Day
- August 26
- National Cherry Popsicle Day
- National Dog Day
- National WebMistress Day
- National Women's Equality Day
- August 27
- National Just Because Day
- National Pots de Creme Day
- August 28
- National Bow Tie Day
- National Cherry Turnovers Day
- National Power Rangers Day
- Rainbow Bridge Remembrance Day
- August 29
- National Chop Suey Day
- August 30
- National Grief Awareness Day
- National Toasted Marshmallow Day
- August 31
- First of Muharram Begins
- National Diatomaceous Earth Day
- National Matchmaker Day
- National South Carolina Day
- National Trail Mix Day
- Other
- First Tuesday - National Night Out Day
- First Thursday - National IPA Day
- First Saturday - Mead Day
- First Saturday - National Disc Golf Day
- First Saturday - National Jamaican Patty Day
- First Saturday - National Mustard Day
- First Sunday - American Family Day
- First Sunday - National Friendship Day
- First Sunday - National Sisters Day
- Second Saturday - National Bowling Day
- Second Saturday - National Garage Sale Day
- Second Sunday - National Spirit of '45 Day
- Third Saturday - World Honey Bee Day
- Friday before Labor Day - National College Colors Day
September
- September 1
- National Chicken Boy Day
- National No Rhyme (Nor Reason) Day
- September 2
- Labor Day
- National Blueberry Popsicle Day
- National V-J Day
- September 3
- National Welsh Rarebit Day
- U.S. Bowling League Day
- September 4
- National Macadamia Nut Day
- National Newspaper Carrier Day
- National Wildlife Day
- September 5
- National Cheese Pizza Day
- September 6
- National Coffee Ice Cream Day
- National Read a Book Day
- September 7
- National Acorn Squash Day
- National Beer Lover's Day
- National Grandma Moses Day
- National Grateful Patient Day
- National Neither Snow Nor Rain Day
- National New Hampshire Day
- National Salami Day
- September 8
- Grandparents Day
- National Ampersand Day
- National Pediatric Hematology/Oncology Nurses Day
- September 9
- Ashura Begins
- Care Bears Share Your Care Day
- National Teddy Bear Day
- National Wiener Schnitzel Day
- September 10
- National Swap Ideas Day
- National TV Dinner Day
- September 11
- National Hot Cross Bun Day
- National Make Your Bed Day
- National Day of Service and Remembrance
- Patriot Day
- September 12
- National Chocolate Milkshake Day
- National Day of Encouragement
- National Report Medicare Fraud Day
- National Video Games Day
- September 13
- National Celiac Disease Awareness Day
- National Kids Take Over the Kitchen Day
- National Peanut Day
- Uncle Sam Day
- September 14
- National Cream-Filled Doughnut Day
- National Eat a Hoagie Day
- National Live Creative Day
- National Virginia Day
- September 15
- National Cheese Toast Day
- National Clean Up Day
- National Creme de Menthe Day
- National Double Cheeseburger Day
- National Felt Hat Day
- National Linguine Day
- National Online Learning Day
- National Tackle Kids Cancer Day
- September 16
- Independence Day (Mexico)
- Mayflower Day
- National Cinnamon Raisin Bread Day
- National Play-Doh Day
- National Step Family Day
- National Working Parents Day
- September 17
- Citizenship Day
- Constitution Day
- National Apple Dumpling Day
- National Monte Cristo Day
- September 18
- Air Force Birthday
- National Aging Awareness Day
- National Cheeseburger Day
- National HIV/AIDS Awareness Day
- September 19
- National Butterscotch Pudding Day
- Talk Like a Pirate Day
- September 20
- National Fried Rice Day
- National String Cheese Day
- National Pepperoni Pizza Day
- National Punch Day
- September 21
- National Chai Day
- National New York Day
- National Pecan Cookie Day
- Peace Day
- September 22
- American Business Women's Day
- Car Free Day
- Dear Diary Day
- Elephant Appreciation Day
- National Centenarian's Day
- National Girls Night In Day
- National Ice Cream Cone Day
- National Legwear Day
- National White Chocolate Day
- September 23
- Autumn Begins
- Celebrate Bisexuality Day
- National Checkers Day/Dogs in Politics Day
- National Great American Pot Pie Day
- National Snack Stick Day
- National Teal Talk Day
- Restless Legs Awareness Day
- September 24
- National Cherries Jubilee Day
- National Punctuation Day
- Schwenkfelder Thanksgiving
- September 25
- National Comic Book Day
- National Lobster Day
- National One-Hit Wonder Day
- National Research Administrator Day
- National Storytelling Day
- National Tune-Up Day
- September 26
- National Compliance Officer Day
- National Dumpling Day
- National Johnny Appleseed Day
- National Pancake Day
- National Shamu the Whale Day
- National Situational Awareness Day
- September 27
- National Chocolate Milk Day
- National Corned Beef Hash Day
- National Crush a Can Day
- National Scarf Day
- September 28
- National Drink Beer Day
- National Good Neighbor Day
- National North Carolina Day
- National Strawberry Cream Pie Day
- September 29
- National Coffee Day
- Rosh Hashanah Begins
- Veterans of Foreign Wars (VFW) Day
- September 30
- National Chewing Gum Day
- National Hot Mulled Cider Day
- National Love People Day
- National Mud Pack Day
- Save Your Photos Day
- Other
- First Monday - Labor Day
- Day after Labor Day - National Another Look Unlimited Day
- First Friday - National Food Bank Day
- First Friday - National Lazy Mom's Day
- First Saturday - National Tailgating Day
- First Saturday - World Beard Day
- Second Sunday - National Grandparent's Day
- Second Sunday - National Hug Your Hound Day
- Second Sunday - National Pet Memorial Day
- Monday after Labor Day - National Boss/Employee Exchange Day
- Second Tuesday - National Ants on a Log Day
- Third Sunday - Wife Appreciation Day
- Third Tuesday - National IT Professionals Day
- Third Friday - National POW/MIA Recognition Day
- Third Friday - National Tradesmen Day
- Third Saturday - Boys' and Girls' Club Day for Kids
- Third Saturday - National Gymnastics Day
- Third Saturday - Puppy Mill Awareness Day
- Third Saturday - Responsible Dog Ownership Day
- Fourth Tuesday - National Voter Registration Day
- Day after the Autumn Equinox - Innergize Day
- Fourth Friday - National Brave Day
- Fourth Saturday - National Hunting and Fishing Day
- Fourth Saturday - National Public Lands Day
- Saturday of Singles Week - National Singles Day
- Last Wednesday - National Women's Health & Fitness Day
- Last Friday - National Gay Men's HIV/AIDS Awareness Day
- Last Saturday - National Family Health and Fitness Day USA
- Last Saturday - National Ghost Hunting Day
- Last Sunday - National Gold Star Mother's Day
October
- October 1
- Fire Pup Day
- National Hair Day
- National Homemade Cookies Day
- October 2
- National Custodial Worker's Recognition Day
- National Fried Scallops Day
- National Name Your Car Day
- October 3
- National Boyfriend Day
- National Techies Day
- October 4
- National Golf Lover's Day
- National Taco Day
- National Vodka Day
- October 5
- National Apple Betty Day
- National Do Something Nice Day
- National Get Funky Day
- National Rhode Island Day
- October 6
- National German-American Day
- National Mad Hatter Day
- National Noodle Day
- National Orange Wine Day
- National Plus Size Appreciation Day
- October 7
- National Frappe Day
- National Inner Beauty Day
- National LED Light Day
- October 8
- American Touch Tag Day
- National Fluffernutter Day
- National Pierogi Day
- Yom Kippur Begins
- October 9
- National Leif Erikson Day
- National Moldy Cheese Day
- National Pro-Life Cupcake Day
- October 10
- National Angel Food Cake Day
- National Cake Decorating Day
- National Curves Day
- National Handbag Day
- World Mental Health Day
- October 11
- General Pulaski Memorial Day
- International Day of the Girl Child
- National Coming Out Day
- National Sausage Pizza Day
- October 12
- Day of the Race (Mexico)
- National Farmer's Day
- National Freethought Day
- National Gumbo Day
- National Savings Day
- National Vermont Day
- October 13
- National No Bra Day
- National Train Your Brain Day
- National Yorkshire Pudding Day
- Navy Birthday
- October 14
- Columbus Day
- Be Bald and be Free Day
- National Dessert Day
- Thanksgiving (Canada)
- October 15
- National Aesthetician Day
- National Cheese Curd Day
- National Grouch Day
- National I Love Lucy Day
- National Latino AIDS Awareness Day
- National Pregnancy and Infant Loss Awareness Day
- National White Cane Safety Day
- October 16
- Global Cat Day
- National Boss's Day - Moves to closest workday if it falls on a weekend
- National Dictionary Day
- National Liqueur Day
- October 17
- National Edge Day
- National Mulligan Day
- National Pasta Day
- October 18
- National Chocolate Cupcake Day
- National No Beard Day
- October 19
- National Kentucky Day
- National LGBT Center Awareness Day
- National Seafood Bisque Day
- October 20
- National Brandied Fruit Day
- National Youth Confidence Day
- October 21
- National Pumpkin Cheesecake Day
- National Reptile Awareness Day
- October 22
- National Color Day
- National Nut Day
- October 23
- iPod Day
- National Boston Cream Pie Day
- National Mole Day
- National TV Talk Show Host Day (Johnny Carson's Birthday)
- Swallows Depart from San Juan Capistrano Day
- October 24
- National Bologna Day
- National Food Day
- United Nations Day
- October 25
- Chucky, the Notorious Killer Doll Day
- National Greasy Food Day
- Sourest Day
- October 26
- National Day of the Deployed
- National Financial Crime Fighter Day
- National Mincemeat Day
- National Mule Day
- National Pumpkin Day
- National Tennessee Day
- October 27
- National American Beer Day
- National Black Cat Day
- Navy Day
- October 28
- National Chocolate Day
- October 29
- National Cat Day
- National Hermit Day
- National Oatmeal Day
- World Stroke Day
- October 30
- National Candy Corn Day
- National Publicist Day
- National Speak Up for Service Day
- October 31
- Girl Scout Founder's Day
- Halloween
- National Caramel Apple Day
- National Doorbell Day
- National Knock-Knock Jokes Day
- National Magic Day
- Other
- First Monday - National Child Health Day
- First Monday - National Consignment Day
- First Wednesday - National Coffee with a Cop Day
- First Wednesday - National Pumpkin Seed Day
- First Wednesday - National Walk to School Day
- First Friday - National Body Language Day
- First Friday - National Manufacturing Day
- Second Sunday - Clergy Appreciation Day
- Second Monday - Columbus Day
- Second Monday - National Kick Butt Day
- Second Monday - National Online Bank Day
- Second Monday - Native American Day
- Second Wednesday - National Bring Your Teddy Bear to Work/School Day
- Second Wednesday - National Emergency Nurse's Day
- Second Wednesday - National Fossil Day
- Second Wednesday - National Stop Bullying Day
- Second Saturday - I Love Yarn Day
- Third Monday - National Clean Your Virtual Desktop Day
- Third Tuesday - National Pharmacy Technician Day
- Third Tuesday - Pro-Life Day of Silent Solidarity
- Third Wednesday - Breast Reconstruction Awareness (BRA) Day USA
- Third Wednesday - Hagfish Day
- Third Wednesday - Medical Assistants Recognition Day
- Third Wednesday - Support Your Local Chamber of Commerce Day
- Third Thursday - Get to Know Your Customers Day
- Third Thursday - National Get Smart About Your Credit Day
- Third Friday - Mammography Day
- Third Saturday - National Sweetest Day
- Fourth Sunday - National Mother-in-Law Day
- Fourth Saturday - National Make a Difference Day
- Last Friday - National Breadstick Day
- Last Friday - National Frankenstein Day
- Last Friday - National Pharmacy Buyer Day
November
- November 1
- All Saints Day
- National Author's Day
- National Brush Day
- National Calzone Day
- National Cook for Your Pets Day
- National Deep Fried Clams Day
- National Family Literacy Day
- National Vinegar Day
- November 2
- All Souls Day
- National Deviled Egg Day
- National Ohio Day
- Traffic Directors Day - Moves to nearest Monday if it falls on a weekend
- November 3
- National Housewife's Day
- National Sandwich Day
- November 4
- National Candy Day
- National Chicken Lady Day
- November 5
- Election Day
- National Doughnut Day
- National Love Your Red Hair Day
- November 6
- National Nachos Day
- Saxophone Day
- November 7
- National Canine Lymphoma Awareness Day
- November 8
- National Cappuccino Day
- National Harvey Wallbanger Day
- National Parents as Teachers Day
- National STEM/STEAM Day
- November 9
- Microtia Awareness Day
- National Louisiana Day
- National Scrapple Day
- November 10
- Marine Corps Birthday
- National Forget-Me-Not Day
- National Vanilla Cupcake Day
- November 11
- International Singles Day
- National Sundae Day
- Remembrance Day (Canada)
- Veterans Day
- November 12
- National Chicken Soup for the Soul Day
- National French Dip Day
- National Pizza with the Works Except Anchovies Day
- November 13
- National Indian Pudding Day
- World Kindness Day
- November 14
- National Pickle Day
- National Spicy Guacamole Day
- November 15
- America Recycles Day
- National Bundt (Pan) Day
- National Clean Out Your Refrigerator Day
- National Philanthropy Day
- National Raisin Bran Cereal Day
- National Rural Health Day
- National Spicy Hermit Cookie Day
- November 16
- National Button Day
- National Fast Food Day
- National Indiana Day
- November 17
- National Baklava Day
- National Homemade Bread Day
- National Take a Hike Day
- November 18
- Mickey Mouse's Birthday
- National Princess Day
- National Vichyssoise Day
- Revolution Day (Mexico)
- November 19
- International Men's Day
- National Carbonated Beverage with Caffeine Day
- National Play Monopoly Day
- November 20
- National Absurdity Day
- National Peanut Butter Fudge Day
- November 21
- National Gingerbread Cookie Day
- National Red Mitten Day
- National Stuffing Day
- November 22
- National Cranberry Relish Day
- November 23
- National Cashew Day
- National Eat a Cranberry Day
- National Espresso Day
- November 24
- National Sardines Day
- November 25
- Blasé Day
- National Parfait Day
- Shopping Reminder Day
- November 26
- National Cake Day
- November 27
- National Bavarian Cream Pie Day
- National Craft Jerky Day
- November 28
- National French Toast Day
- November 29
- Electronic Greetings Day
- November 30
- Computer Security Day
- National Mason Jar Day
- National Meth Awareness Day
- National Mississippi Day
- National Mousse Day
- Stay Home Because You're Well Day
- Other
- First Sunday - Daylight Saving Time Ends
- First Monday - Color the World Orange Day
- First Monday - Job Action Day
- First Wednesday - National Stress Awareness Day
- First Thursday - National Men Make Dinner Day
- First Friday - National Jersey Friday
- First Saturday - National Bison Day
- Wednesday of American Education Week - National Educational Support Professionals Day
- Thursday before Thanksgiving - Great American Smokeout
- Saturday before Thanksgiving - National Adoption Day
- Fourth Wednesday - National Jukebox Day
- Fourth Wednesday - Tie One On Day
- Fourth Thursday - National Day of Mourning
- Fourth Thursday - Thanksgiving
- Fourth Thursday - Turkey-Free Thanksgiving
- Fourth Friday - Black Friday
- Fourth Friday - Buy Nothing Day
- Fourth Friday - Flossing Day
- Fourth Friday - Maize Day
- Fourth Friday - National Day of Listening
- Fourth Friday - National Native American Heritage Day
- Fourth Friday - You're Welcomegiving Day
- Fourth Saturday - Small Business Saturday
- Monday after Thanksgiving - Cyber Monday
- Tuesday after Thanksgiving - National Day of Giving/Giving Tuesday
- Wednesday after Thanksgiving - National Package Protection Day
December
- December 1
- Bifocals at the Monitor Liberation Day
- Day with(out) Art Day
- National Eat a Red Apple Day
- National Pie Day
- Rosa Parks Day
- December 2
- Hanukkah Begins
- National Fritters Day
- National Mutt Day
- Special Education Day
- December 3
- National Roof Over Your Day
- December 4
- National Cookie Day
- National Dice Day
- National Sock Day
- December 5
- Bathtub Party Day
- International Ninja Day
- National Sacher Torte Day
- December 6
- Miners' Day
- National Gazpacho Day
- National Microwave Oven Day
- National Pawnbrokers Day
- St. Nicholas Day
- December 7
- National Cotton Candy Day
- National Illinois Day
- National Pearl Harbor Remembrance Day
- December 8
- National Brownie Day
- Pretend to be a Time Traveler Day
- December 9
- National Pastry Day
- Weary Willie Day
- December 10
- Dewey Decimal System Day
- Human Rights Day
- Nobel Prize Day
- December 11
- National App Day
- National Noodle Ring Day
- December 12
- Gingerbread House Day
- National Ambrosia Day
- National Ding-a-Ling Day
- Poinsettia Day
- Virgin of Guadalupe (Mexico)
- December 13
- National Cocoa Day
- National Day of the Horse
- National Guard Birthday
- National Violin Day
- Pick a Pathologist Pal Day
- December 14
- National Alabama Day
- National Bouillabaisse Day
- December 15
- Bill of Rights Day
- Cat Herders Day
- National Cupcake/Lemon Cupcake Day
- National Wear Your Pearls Day
- December 16
- Barbie and Barney Backlash Day
- National Chocolate-Covered Anything Day
- December 17
- National Maple Syrup Day
- Wright Brothers Day
- December 18
- Answer the Telephone Like Buddy the Elf Day
- National Roast Suckling Pig Day
- December 19
- National Hard Candy Day
- National Oatmeal Muffin Day
- December 20
- Mudd Day
- National Sangria Day
- December 21
- Anne & Samantha Day
- Crossword Puzzle Day
- Humbug Day
- National French Fried Shrimp Day
- National Maine Day
- Phileas Fogg Win a Wager Day
- Winter Begins
- December 22
- Forefathers Day - Moves to nearest Monday if it falls on a Sunday
- National Date Nut Bread Day
- December 23
- Festivus
- National Pfeffernusse Day
- National Roots Day
- December 24
- Christmas Eve
- National Eggnog Day
- December 25
- A'phabet Day/No "L" Day
- Christmas
- National Pumpkin Pie Day
- December 26
- Boxing Day (Canada)
- Kwanzaa Begins
- National Candy Cane Day
- National Thank-You Note Day
- National Whiner's Day
- December 27
- National Fruitcake Day
- December 28
- Holy Innocents Day
- National Card Playing Day
- National Chocolate-Covered Candy Day
- Pledge of Allegiance Day
- December 29
- National Pepper Pot Day
- Tick Tock Day
- December 30
- Bacon Day
- Falling Needles Family Fest Day
- National Bicarbonate of Soda Day
- December 31
- Make Up Your Mind Day
- National Champagne Day
- New Years Eve
- Universal Hour of Peace
- Other
- First Tuesday - World Trick Shot Day
- First Friday - Faux Fur Friday
- First Saturday - Pretend to be a Time Traveler Day
- First Saturday - Skywarn Recognition Day
- Second Friday - National Salesperson Day
- Third Friday - National Ugly Christmas Sweater Day
- Third Friday - Underdog Day
- Third Saturday - National Wreaths Across America Day
- Thursday before Christmas - National Re-Gifting Day
- Last workday - No Interruptions Day