| Monthly | January | National Bath Safety Month |
| Monthly | January | National Blood Donor Month |
| Monthly | January | National Braille Literacy Month |
| Monthly | January | National Hobby Month |
| Monthly | January | National Hot Tea Month |
| Monthly | January | National Mentoring Month |
| Monthly | January | National Oatmeal Month |
| Monthly | January | National Skating Month |
| Monthly | January | National Soup Month |
| Monthly | January | Walk Your Dog Month |
| Monthly | January | Self-Love Month |
| Weekly | 1st Week | Universal Letter Writing Week |
| Weekly | 1st Week | Celebration of Life Week |
| Weekly | 1st Week | New Year’s Resolutions Week |
| Weekly | 2nd Week | National Pizza Week |
| Weekly | 2nd Week | National Mocktail Week |
| Weekly | 3rd Week | National Healthy Weight Week |
| Weekly | 3rd Week | International Snowmobile Safety Week |
| Weekly | Last Week | National Activity Professionals Week |
| Daily | Jan. 1 | New Year's Day |
| Daily | Jan. 1 | Apple Gifting Day |
| Daily | Jan. 1 | Polar Bear Plunge Day |
| Daily | Jan. 2 | National Buffet Day |
| Daily | Jan. 2 | National Science Fiction Day |
| Daily | Jan. 3 | Festival of Sleep Day |
| Daily | Jan. 3 | Humiliation Day |
| Daily | Jan. 4 | World Braille Day |
| Daily | Jan. 4 | National Spaghetti Day |
| Daily | Jan. 5 | National Bird Day |
| Daily | Jan. 5 | National Whipped Cream Day |
| Daily | Jan. 6 | Three Kings Day |
| Daily | Jan. 6 | National Cuddle Up Day |
| Daily | Jan. 7 | National Bobblehead Day |
| Daily | Jan. 7 | National Tempura Day |
| Daily | Jan. 8 | National Bubble Bath Day |
| Daily | Jan. 8 | National Winter Skin Relief Day |
| Daily | Jan. 9 | National Apricot Day |
| Daily | Jan. 9 | National Law Enforcement Appreciation Day |
| Daily | Jan. 10 | National Bittersweet Chocolate Day |
| Daily | Jan. 10 | National Cut Your Energy Costs Day |
| Monthly | February | Adopt A Rescued Rabbit Month |
| Monthly | February | African-American Cultural Heritage Month |
| Monthly | February | AFRMA Fancy Rat and Mouth Month |
| Monthly | February | AMD/Low Vision Awareness Month |
| Monthly | February | American Heart Month |
| Monthly | February | An Affair To Remember Month |
| Monthly | February | Bake for Family Fun Month |
| Monthly | February | Barley Month |
| Monthly | February | Beat The Heat Month |
| Monthly | February | Cricket World Cup (2/6-3/7) |
| Weekly | 1-8 | Freelance Writer Appreciation Week |
| Weekly | 1-7 | Women's Heart Week |
| Weekly | 1-7 | World Interfaith Harmony Week |
| Weekly | 2-8 | Publicity for Profit Week |
| Weekly | 2-8 | African Heritage & Health Week |
| Daily | Feb. 1 | Barber Day |
| Daily | Feb. 1 | Candy-Making Day |
| Daily | Feb. 1 | Car Insurance Day |
| Daily | Feb. 1 | Change Your Password Day |
| Daily | Feb. 1 | Freedom Day |
| Daily | Feb. 2 | Ayn Rand Day |
| Daily | Feb. 2 | Candlemas |
| Daily | Feb. 2 | Crepe Day |
| Daily | Feb. 2 | Groundhog Day |
| Daily | Feb. 2 | World Wetlands Day |
| Monthly | March | National Nutrition Month |
| Monthly | March | National Kidney Month |
| Monthly | March | Women's History Month |
| Monthly | March | Irish-American Heritage Month |
| Monthly | March | National Craft Month |
| Monthly | March | National Frozen Food Month |
| Monthly | March | National Peanut Month |
| Monthly | March | National Music in Our Schools Month |
| Monthly | March | National Colorectal Cancer Awareness Month |
| Monthly | March | National Credit Education Month |
| Monthly | March | National Eye Donor Month |
| Monthly | March | National Reading Awareness Month |
| Monthly | March | National Brain Injury Awareness Month |
| Monthly | March | National Developmental Disabilities Awareness Month |
| Monthly | March | National Multiple Sclerosis Education and Awareness Month |
| Monthly | March | Save Your Vision Month |
| Monthly | March | Youth Art Month |
| Weekly | 1-7 | National Cheerleading Week |
| Weekly | 1-7 | Return the Borrowed Books Week |
| Weekly | 2nd Week | Teen Tech Week |
| Weekly | 2nd Week | Girl Scout Week |
| Weekly | 3rd Week | National Agriculture Week |
| Weekly | Last Week | Tsunami Preparedness Week |
| Daily | Mar. 1 | National Peanut Butter Lover’s Day |
| Daily | Mar. 1 | World Compliment Day |
| Daily | Mar. 2 | Dr. Seuss Day |
| Daily | Mar. 2 | Old Stuff Day |
| Daily | Mar. 3 | World Wildlife Day |
| Daily | Mar. 3 | National Anthem Day |
| Daily | Mar. 4 | Marching Music Day |
| Daily | Mar. 4 | Hug a G.I. Day |
| Daily | Mar. 5 | National Cheese Doodle Day |
| Daily | Mar. 5 | World Book Day |
| Daily | Mar. 6 | National Dentist’s Day |
| Daily | Mar. 6 | National Oreo Cookie Day |
| Monthly | April | National Autism Awareness Month |
| Monthly | April | National Poetry Month |
| Monthly | April | Stress Awareness Month |
| Monthly | April | Alcohol Awareness Month |
| Monthly | April | National Garden Month |
| Monthly | April | Keep America Beautiful Month |
| Monthly | April | National Pet Month |
| Monthly | April | National Volunteer Month |
| Monthly | April | National Humor Month |
| Monthly | April | National Decorating Month |
| Monthly | April | National Jazz Appreciation Month |
| Monthly | April | Mathematics and Statistics Awareness Month |
| Monthly | April | National Car Care Month |
| Monthly | April | National Soft Pretzel Month |
| Monthly | April | Occupational Therapy Month |
| Weekly | 1-7 | Be Kind to Spiders Week |
| Weekly | 1-7 | Testicular Cancer Awareness Week |
| Weekly | 2nd Week | National Library Week |
| Weekly | 2nd Week | National Public Safety Telecommunicators Week |
| Weekly | 3rd Week | National Volunteer Week |
| Weekly | 3rd Week | National Coin Week |
| Weekly | Last Week | National Parks Week |
| Weekly | Last Week | Administrative Professionals Week |
| Daily | Apr. 1 | April Fools’ Day |
| Daily | Apr. 1 | National Sourdough Bread Day |
| Daily | Apr. 2 | World Autism Awareness Day |
| Daily | Apr. 2 | International Children’s Book Day |
| Daily | Apr. 3 | Find a Rainbow Day |
| Daily | Apr. 3 | National Chocolate Mousse Day |
| Daily | Apr. 4 | School Librarian Day |
| Daily | Apr. 4 | Walk Around Things Day |
| Daily | Apr. 5 | National Deep Dish Pizza Day |
| Daily | Apr. 5 | National Dandelion Day |
| Daily | Apr. 6 | National Student Athlete Day |
| Daily | Apr. 6 | National Tartan Day |
| Monthly | May | Asian American and Pacific Islander Heritage Month |
| Monthly | May | Jewish American Heritage Month |
| Monthly | May | Mental Health Awareness Month |
| Monthly | May | National Bike Month |
| Monthly | May | National Foster Care Month |
| Monthly | May | National Hamburger Month |
| Monthly | May | National Military Appreciation Month |
| Monthly | May | National Salad Month |
| Monthly | May | National Stroke Awareness Month |
| Monthly | May | National Water Safety Month |
| Monthly | May | Older Americans Month |
| Monthly | May | Skin Cancer Awareness Month |
| Monthly | May | Better Sleep Month |
| Monthly | May | National Barbecue Month |
| Monthly | May | National Recommitment Month |
| Monthly | May | National Photography Month |
| Weekly | 1st Week | Be Kind to Animals Week |
| Weekly | 1st Week | National Small Business Week |
| Weekly | 2nd Week | National Nurses Week |
| Weekly | 2nd Week | Teacher Appreciation Week |
| Weekly | 3rd Week | National Police Week |
| Weekly | 3rd Week | National EMS Week |
| Weekly | 4th Week | National Safe Boating Week |
| Daily | May 1 | May Day |
| Daily | May 1 | Law Day |
| Daily | May 1 | National Chocolate Parfait Day |
| Daily | May 2 | National Truffle Day |
| Daily | May 2 | Baby Day |
| Daily | May 3 | World Press Freedom Day |
| Daily | May 3 | National Teacher Appreciation Day |
| Daily | May 4 | Star Wars Day (May the Fourth Be With You) |
| Daily | May 4 | Bird Day |
| Daily | May 5 | Cinco de Mayo |
| Daily | May 5 | National Astronaut Day |
| Daily | May 6 | National Nurses Day |
| Daily | May 6 | National Beverage Day |
| Monthly | June | LGBTQ+ Pride Month |
| Monthly | June | National Safety Month |
| Monthly | June | Great Outdoors Month |
| Monthly | June | National Candy Month |
| Monthly | June | National Dairy Month |
| Monthly | June | National Iced Tea Month |
| Monthly | June | National Fresh Fruit and Vegetables Month |
| Monthly | June | African-American Music Appreciation Month |
| Monthly | June | Men's Health Month |
| Monthly | June | National Camping Month |
| Monthly | June | National Oceans Month |
| Monthly | June | National Zoo and Aquarium Month |
| Monthly | June | Turkey Lovers' Month |
| Weekly | 1st Week | National Gardening Week |
| Weekly | 1st Week | Black Single Parents Week |
| Weekly | 2nd Week | Men's Health Week |
| Weekly | 2nd Week | National Flag Week |
| Weekly | 3rd Week | Lightning Safety Awareness Week |
| Weekly | Last Week | National Pollinator Week |
| Weekly | Last Week | Helen Keller Deaf-Blind Awareness Week |
| Daily | June 1 | Global Day of Parents |
| Daily | June 1 | National Say Something Nice Day |
| Daily | June 2 | National Rocky Road Day |
| Daily | June 2 | National Rotisserie Chicken Day |
| Daily | June 3 | World Bicycle Day |
| Daily | June 3 | National Egg Day |
| Daily | June 4 | National Cheese Day |
| Daily | June 4 | Hug Your Cat Day |
| Daily | June 5 | World Environment Day |
| Daily | June 5 | National Gingerbread Day |
| Daily | June 6 | D-Day |
| Daily | June 6 | National Yo-Yo Day |
| Monthly | July | National Anti-Boredom Month |
| Monthly | July | National Blueberry Month |
| Monthly | July | National Cell Phone Courtesy Month |
| Monthly | July | National Grilling Month |
| Monthly | July | National Hot Dog Month |
| Monthly | July | National Ice Cream Month |
| Monthly | July | National Make a Difference to Children Month |
| Monthly | July | National Picnic Month |
| Monthly | July | National Watermelon Month |
| Monthly | July | UV Safety Awareness Month |
| Weekly | 1-7 | Clean Beaches Week |
| Weekly | July 3–August 15 | Air Conditioning Appreciation Days |
| Weekly | 2nd Week | National Farriers Week |
| Weekly | 2nd Week | National Therapeutic Recreation Week |
| Weekly | 3rd Week | Shark Week |
| Weekly | 3rd Week | Everybody Deserves a Massage Week |
| Weekly | Last Week | Capture the Sunset Week |
| Daily | July 1 | Canada Day |
| Daily | July 1 | National Creative Ice Cream Flavors Day |
| Daily | July 1 | ZIP Code Day |
| Daily | July 2 | Made in the USA Day |
| Daily | July 2 | World UFO Day |
| Daily | July 3 | Compliment Your Mirror Day |
| Daily | July 3 | International Plastic Bag Free Day |
| Daily | July 3 | Stay Out of the Sun Day |
| Daily | July 4 | Independence Day (USA) |
| Daily | July 4 | Barbecue Day |
| Daily | July 5 | National Apple Turnover Day |
| Daily | July 5 | National Graham Cracker Day |
| Daily | July 5 | National Workaholics Day |
| Daily | July 6 | International Kissing Day |
| Daily | July 6 | National Fried Chicken Day |
| Daily | July 7 | Global Forgiveness Day |
| Daily | July 7 | National Strawberry Sundae Day |
| Daily | July 8 | Be a Kid Again Day |
| Daily | July 8 | Math 2.0 Day |
| Daily | July 8 | National Chocolate with Almonds Day |
| Daily | July 9 | Fashion Day |
| Daily | July 9 | National Sugar Cookie Day |
| Daily | July 10 | Don’t Step on a Bee Day |
| Daily | July 10 | National Piña Colada Day |
| Daily | July 10 | Teddy Bear Picnic Day |
| Monthly | August | National Wellness Month |
| Monthly | August | Family Fun Month |
| Monthly | August | National Eye Exam Month |
| Monthly | August | National Golf Month |
| Monthly | August | National Back to School Month |
| Monthly | August | National Water Quality Month |
| Monthly | August | Happiness Happens Month |
| Monthly | August | Black Business Month |
| Monthly | August | Dog Days of Summer (Through August 11) |
| Monthly | August | American Adventures Month |
| Weekly | 1st Week | Simplify Your Life Week |
| Weekly | 2nd Week | National Smile Week |
| Weekly | 3rd Week | National Resurrect Romance Week |
| Weekly | 3rd Week | Exercise With Your Child Week |
| Weekly | 4th Week | Be Kind to Humankind Week |
| Daily | Aug. 1 | National Girlfriends Day |
| Daily | Aug. 1 | World Lung Cancer Day |
| Daily | Aug. 1 | National Minority Donor Awareness Day |
| Daily | Aug. 2 | National Ice Cream Sandwich Day |
| Daily | Aug. 2 | Take a Penny, Leave a Penny Day |
| Daily | Aug. 3 | National Watermelon Day |
| Daily | Aug. 3 | Grab Some Nuts Day |
| Daily | Aug. 4 | National Chocolate Chip Cookie Day |
| Daily | Aug. 4 | Coast Guard Day |
| Daily | Aug. 5 | International Beer Day |
| Daily | Aug. 5 | National Oyster Day |
| Daily | Aug. 6 | National Root Beer Float Day |
| Daily | Aug. 6 | Wiggle Your Toes Day |
| Daily | Aug. 7 | National Lighthouse Day |
| Daily | Aug. 7 | Purple Heart Day |
| Daily | Aug. 8 | International Cat Day |
| Daily | Aug. 8 | National Happiness Happens Day |
| Daily | Aug. 9 | National Book Lovers Day |
| Daily | Aug. 9 | National Rice Pudding Day |
| Daily | Aug. 10 | National Lazy Day |
| Daily | Aug. 10 | National S'mores Day |
| Monthly | September | National Suicide Prevention Month |
| Monthly | September | National Honey Month |
| Monthly | September | National Hispanic Heritage Month (September 15 - October 15) |
| Monthly | September | National Recovery Month |
| Monthly | September | National Yoga Month |
| Monthly | September | National Preparedness Month |
| Monthly | September | Self-Improvement Month |
| Monthly | September | National Chicken Month |
| Monthly | September | National Piano Month |
| Monthly | September | Library Card Sign-Up Month |
| Monthly | September | Better Breakfast Month |
| Monthly | September | Classical Music Month |
| Monthly | September | Baby Safety Month |
| Monthly | September | National Sewing Month |
| Monthly | September | National Literacy Month |
| Weekly | 1st Week | National Waffle Week |
| Weekly | 2nd Week | National Arts in Education Week |
| Weekly | 3rd Week | National Singles Week |
| Weekly | 3rd Week | Balance Awareness Week |
| Weekly | Last Week | Banned Books Week |
| Weekly | Last Week | Deaf Awareness Week |
| Daily | Sept. 1 | American Chess Day |
| Daily | Sept. 1 | National No Rhyme (Nor Reason) Day |
| Daily | Sept. 2 | World Coconut Day |
| Daily | Sept. 2 | Victory Over Japan (V-J) Day |
| Daily | Sept. 3 | National Skyscraper Day |
| Daily | Sept. 4 | Labor Day (USA - Varies) |
| Daily | Sept. 4 | National Wildlife Day |
| Daily | Sept. 5 | International Day of Charity |
| Daily | Sept. 5 | National Cheese Pizza Day |
| Daily | Sept. 6 | National Read a Book Day |
| Daily | Sept. 6 | Fight Procrastination Day |
| Daily | Sept. 7 | International Day of Clean Air |
| Daily | Sept. 7 | National Acorn Squash Day |
| Daily | Sept. 8 | International Literacy Day |
| Daily | Sept. 8 | National Ampersand Day |
| Daily | Sept. 9 | National Teddy Bear Day |
| Daily | Sept. 9 | Care Bears Share Your Care Day |
| Daily | Sept. 10 | World Suicide Prevention Day |
| Daily | Sept. 10 | National Grandparents Day (Varies) |
| Monthly | October | Breast Cancer Awareness Month |
| Monthly | October | National Bullying Prevention Month |
| Monthly | October | Domestic Violence Awareness Month |
| Monthly | October | National Down Syndrome Awareness Month |
| Monthly | October | National Italian American Heritage Month |
| Monthly | October | National LGBTQ+ History Month |
| Monthly | October | National Physical Therapy Month |
| Monthly | October | National Popcorn Poppin' Month |
| Monthly | October | National Pretzel Month |
| Monthly | October | National Seafood Month |
| Monthly | October | National Apple Month |
| Monthly | October | National Caramel Month |
| Monthly | October | National Dental Hygiene Month |
| Monthly | October | National Cookbook Month |
| Monthly | October | Global Diversity Awareness Month |
| Monthly | October | Adopt a Shelter Dog Month |
| Monthly | October | National Cybersecurity Awareness Month |
| Weekly | 1st Week | Get Organized Week |
| Weekly | 1st Week | Customer Service Week |
| Weekly | 2nd Week | Fire Prevention Week |
| Weekly | 2nd Week | National School Lunch Week |
| Weekly | 3rd Week | National Veterinary Technician Week |
| Weekly | 4th Week | National Chemistry Week |
| Weekly | 4th Week | Freedom From Bullies Week |
| Daily | Oct. 1 | World Vegetarian Day |
| Daily | Oct. 1 | National Homemade Cookies Day |
| Daily | Oct. 2 | International Day of Nonviolence |
| Daily | Oct. 2 | National Name Your Car Day |
| Daily | Oct. 3 | World Architecture Day |
| Daily | Oct. 3 | National Techies Day |
| Daily | Oct. 4 | World Animal Day |
| Daily | Oct. 4 | National Taco Day |
| Daily | Oct. 5 | World Teachers' Day |
| Daily | Oct. 5 | National Do Something Nice Day |
| Daily | Oct. 6 | World Cerebral Palsy Day |
| Daily | Oct. 6 | National Noodle Day |
| Daily | Oct. 7 | World Smile Day |
| Daily | Oct. 7 | National Frappe Day |
| Daily | Oct. 8 | World Octopus Day |
| Daily | Oct. 8 | National Fluffernutter Day |
| Daily | Oct. 9 | World Post Day |
| Daily | Oct. 9 | National Moldy Cheese Day |
| Daily | Oct. 10 | World Mental Health Day |
| Daily | Oct. 10 | National Cake Decorating Day |
| Monthly | November | National Diabetes Awareness Month |
| Monthly | November | Lung Cancer Awareness Month |
| Monthly | November | Movember (Men’s Health Awareness Month) |
| Monthly | November | Adopt a Senior Pet Month |
| Monthly | November | National Epilepsy Awareness Month |
| Monthly | November | National Native American Heritage Month |
| Monthly | November | Military Family Appreciation Month |
| Monthly | November | National Gratitude Month |
| Monthly | November | National Novel Writing Month (NaNoWriMo) |
| Monthly | November | National Family Caregivers Month |
| Monthly | November | Sweet Potato Awareness Month |
| Monthly | November | Peanut Butter Lovers Month |
| Monthly | November | Gluten-Free Diet Awareness Month |
| Monthly | November | National Alzheimer’s Disease Awareness Month |
| Monthly | November | World Vegan Month |
| Weekly | 1st Week | World Communication Week |
| Weekly | 1st Week | National Animal Shelter Appreciation Week |
| Weekly | 1st Week | Dear Santa Letter Week |
| Weekly | 2nd Week | Pursuit of Happiness Week |
| Weekly | 3rd Week | American Education Week |
| Weekly | 3rd Week | Geography Awareness Week |
| Weekly | Week Before Thanksgiving | National Hunger and Homelessness Awareness Week |
| Weekly | Last Week | Game and Puzzle Week |
| Daily | Nov. 1 | All Saints' Day |
| Daily | Nov. 1 | World Vegan Day |
| Daily | Nov. 1 | National Cook for Your Pets Day |
| Daily | Nov. 1 | Author’s Day |
| Daily | Nov. 2 | All Souls' Day |
| Daily | Nov. 2 | National Deviled Egg Day |
| Daily | Nov. 2 | Look for Circles Day |
| Daily | Nov. 3 | National Sandwich Day |
| Daily | Nov. 3 | Cliché Day |
| Daily | Nov. 4 | Use Your Common Sense Day |
| Daily | Nov. 4 | National Candy Day |
| Daily | Nov. 5 | Guy Fawkes Night (UK) |
| Daily | Nov. 5 | American Football Day |
| Daily | Nov. 5 | National Redhead Day |
| Daily | Nov. 6 | Saxophone Day |
| Daily | Nov. 6 | National Nachos Day |
| Daily | Nov. 7 | National Bittersweet Chocolate with Almonds Day |
| Daily | Nov. 7 | Hug a Bear Day |
| Daily | Nov. 8 | STEM/STEAM Day |
| Daily | Nov. 8 | National Cappuccino Day |
| Daily | Nov. 9 | World Freedom Day |
| Daily | Nov. 9 | National Scrapple Day |
| Daily | Nov. 10 | US Marine Corps Birthday |
| Daily | Nov. 10 | Vanilla Cupcake Day |
| Daily | Nov. 11 | Veterans Day (USA) |
| Daily | Nov. 11 | Remembrance Day (UK/Canada) |
| Daily | Nov. 11 | National Sundae Day |
| Daily | Nov. 12 | World Pneumonia Day |
| Daily | Nov. 12 | Chicken Soup for the Soul Day |
| Daily | Nov. 13 | World Kindness Day |
| Daily | Nov. 13 | Sadie Hawkins Day |
| Daily | Nov. 14 | World Diabetes Day |
| Daily | Nov. 14 | National Pickle Day |
| Daily | Nov. 14 | Loosen Up, Lighten Up Day |
| Daily | Nov. 15 | America Recycles Day |
| Daily | Nov. 15 | National Bundt Cake Day |
| Daily | Nov. 16 | International Day for Tolerance |
| Daily | Nov. 16 | National Button Day |
| Daily | Nov. 16 | Have a Party with Your Bear Day |
| Daily | Nov. 17 | National Hiking Day |
| Daily | Nov. 17 | Take a Hike Day |
| Daily | Nov. 17 | Homemade Bread Day |
| Daily | Nov. 18 | Mickey Mouse Day |
| Daily | Nov. 18 | Push Button Phone Day |
| Daily | Nov. 19 | International Men’s Day |
| Daily | Nov. 19 | World Toilet Day |
| Daily | Nov. 19 | National Carbonated Beverage with Caffeine Day |
| Daily | Nov. 20 | Universal Children’s Day |
| Daily | Nov. 20 | Name Your PC Day |
| Daily | Nov. 21 | World Television Day |
| Daily | Nov. 21 | National Gingerbread Cookie Day |
| Daily | Nov. 22 | Go For a Ride Day |
| Daily | Nov. 22 | National Cranberry Relish Day |
| Daily | Nov. 23 | National Espresso Day |
| Daily | Nov. 23 | Fibonacci Day |
| Daily | Nov. 24 | Celebrate Your Unique Talent Day |
| Daily | Nov. 25 | National Parfait Day |
| Daily | Nov. 25 | Blase Day |
| Daily | Nov. 25 | Thanksgiving (varies, USA) |
| Daily | Nov. 26 | Small Business Saturday (varies) |
| Daily | Nov. 26 | National Cake Day |
| Daily | Nov. 27 | Pins and Needles Day |
| Daily | Nov. 27 | National Bavarian Cream Pie Day |
| Daily | Nov. 28 | Cyber Monday (varies) |
| Daily | Nov. 28 | French Toast Day |
| Daily | Nov. 29 | Giving Tuesday (varies) |
| Daily | Nov. 29 | Square Dance Day |
| Daily | Nov. 30 | St. Andrew's Day |
| Daily | Nov. 30 | National Mason Jar Day |
| Daily | Nov. 30 | National Moose Day |
| Monthly | December | Universal Human Rights Month |
| Monthly | December | National Pear Month |
| Monthly | December | National Write a Business Plan Month |
| Monthly | December | Safe Toys and Gifts Month |
| Monthly | December | National Impaired Driving Prevention Month |
| Monthly | December | National Tie Month |
| Monthly | December | National Bingo Month |
| Monthly | December | Spiritual Literacy Month |
| Weekly | 1st Week | Cookie Cutter Week |
| Weekly | 1st Week | National Handwashing Awareness Week |
| Weekly | 2nd Week | Computer Science Education Week |
| Weekly | 3rd Week | Halcyon Days |
| Weekly | Last Week | Kwanzaa Week |
| Daily | Dec. 1 | World AIDS Day |
| Daily | Dec. 1 | Rosa Parks Day |
| Daily | Dec. 2 | International Day for the Abolition of Slavery |
| Daily | Dec. 2 | National Mutt Day |
| Daily | Dec. 3 | International Day of Persons with Disabilities |
| Daily | Dec. 3 | National Roof Over Your Head Day |
| Daily | Dec. 4 | National Cookie Day |
| Daily | Dec. 4 | World Wildlife Conservation Day |
| Daily | Dec. 5 | World Soil Day |
| Daily | Dec. 5 | International Volunteer Day |
| Daily | Dec. 6 | St. Nicholas Day |
| Daily | Dec. 6 | Miners' Day |
| Daily | Dec. 7 | Pearl Harbor Remembrance Day |
| Daily | Dec. 7 | International Civil Aviation Day |
| Daily | Dec. 8 | Bodhi Day |
| Daily | Dec. 8 | National Brownie Day |
| Daily | Dec. 9 | Christmas Card Day |
| Daily | Dec. 9 | National Pastry Day |
| Daily | Dec. 10 | Human Rights Day |
| Daily | Dec. 10 | Nobel Prize Day |
| Daily | Dec. 11 | International Mountain Day |
| Daily | Dec. 12 | Gingerbread House Day |
| Daily | Dec. 12 | National Poinsettia Day |
| Daily | Dec. 13 | National Cocoa Day |
| Daily | Dec. 13 | National Day of the Horse |
| Daily | Dec. 14 | Monkey Day |
| Daily | Dec. 14 | National Bouillabaisse Day |
| Daily | Dec. 15 | Bill of Rights Day |
| Daily | Dec. 15 | Cat Herders’ Day |
| Daily | Dec. 16 | National Chocolate-Covered Anything Day |
| Daily | Dec. 17 | Wright Brothers Day |
| Daily | Dec. 18 | International Migrants Day |
| Daily | Dec. 18 | Bake Cookies Day |
| Daily | Dec. 19 | Look for an Evergreen Day |
| Daily | Dec. 20 | Games Day |
| Daily | Dec. 20 | Go Caroling Day |
| Daily | Dec. 21 | Winter Solstice |
| Daily | Dec. 21 | National Flashlight Day |
| Daily | Dec. 22 | National Cookie Exchange Day |
| Daily | Dec. 22 | Forefathers' Day |
| Daily | Dec. 23 | Festivus |
| Daily | Dec. 23 | National Roots Day |
| Daily | Dec. 24 | Christmas Eve |
| Daily | Dec. 24 | National Eggnog Day |
| Daily | Dec. 25 | Christmas Day |
| Daily | Dec. 26 | Boxing Day |
| Daily | Dec. 26 | National Candy Cane Day |
| Daily | Dec. 26 | Kwanzaa (starts) |
| Daily | Dec. 27 | National Fruitcake Day |
| Daily | Dec. 28 | National Chocolate Candy Day |
| Daily | Dec. 28 | Holy Innocents Day |
| Daily | Dec. 29 | Tick Tock Day |
| Daily | Dec. 30 | Falling Needles Family Fest Day |
| Daily | Dec. 30 | Bacon Day |
| Daily | Dec. 31 | New Year's Eve |
| Daily | Dec. 31 | Make Up Your Mind Day |
| Daily | Dec. 31 | Universal Hour of Peace Day |
| Weekly | 1st Week | Universal Letter Writing Week |
| Weekly | 1st Week | Celebration of Life Week |
| Weekly | 1st Week | New Year’s Resolutions Week |
| Weekly | 2nd Week | National Pizza Week |
| Weekly | 2nd Week | National Mocktail Week |
| Weekly | 3rd Week | National Healthy Weight Week |
| Weekly | 3rd Week | International Snowmobile Safety Week |
| Weekly | Last Week | National Activity Professionals Week |
| Weekly | January 1-7 | Universal Letter Writing Week |
| Weekly | January 1-7 | Celebration of Life Week |
| Weekly | January 1-7 | New Year’s Resolutions Week |
| Weekly | January 8-14 | National Pizza Week |
| Weekly | January 8-14 | National Mocktail Week |
| Weekly | January 15-21 | National Healthy Weight Week |
| Weekly | January 15-21 | International Snowmobile Safety Week |
| Weekly | January 22-28 | National Activity Professionals Week |
