Monthly and weekly designations follow the daily designations.
December 1
- National Pie Day
- National Eat a Red Apple Day
- Bifocals at the Monitor Liberation Day
- Day With(out) Art Day
- Rosa Parks Day
- World Aids Day
December 2
- National Fritters Day
- National Mutt Day
- Special Education Day
- International Day for the Abolition of Slavery Day
- Rockefeller Center Tree Lighting – Changes Annually 2016 Unknown
- Faux Fur Friday – First Friday in December
December 3
- National Roof Over Your Head Day
- International Day of Persons With Disabilities
- *National Rhubarb Vodka Day* – First Saturday in December
- Skywarn Recognition Day – First Saturday in December
December 4
December 5
- National Sacher Torte Day
- AFL-CIO Day
- Bathtub Party Day
- International Ninja Day Photo Photo
- International Volunteer Day for Economic & Social Development
December 6
- National Pawnbrokers Day
- National Microwave Oven Day
- National Gazpacho Day
- St. Nicholas Day
- Miners’ Day
December 7
December 8
December 9
December 10
- Dewey Decimal System Day
- Human Rights Day
- Nobel Prize Day
- National Wreaths Across America Day – Second Saturday in December
- International Shareware Day – Second Saturday in December
December 11
- National Noodle Ring Day
- UNICEF Birthday
- International Mountain Day
- Worldwide Candle Lighting Day (The Compassionate Friends) – Second Sunday in December
- World Choral Day – Second Sunday in December
December 12
December 13
- National Cocoa Day
- National Violin Day
- National Day Of The Horse (Senate Res. 452)
- Pick A Pathologist Pal Day
December 14
December 15
December 16
- National Chocolate-covered Anything Day
- Barbie and Barney Backlash Day
- National Ugly Christmas Sweater Day – Third Friday in December
- Underdog Day– Third Friday in December
December 17
December 18
- National Roast Suckling Pig Day
- Answer The Telephone Like Buddy The Elf Day
- International Migrants Day
- Free Shipping Day – Changes Annually 2016 unknown
December 19
December 20
December 21
- National French Fried Shrimp Day
- Crossword Puzzle Day
- Humbug Day
- Phileas Fogg Win A Wager Day
- Winter Solstice – Day Between December 20 and 23
- National Flashlight Day – Day of Winter Solstice
- National Homeless Persons’ Remembrance Day – First Day of Winter
- Yule – Day of Winter Solstice
December 22
- National Date Nut Bread Day
- Anne & Samantha Day(also June. 21)
- Forefathers Day – December 22 (Unless on Sunday, Then Following Monday)
- National Re-Gifting Day – Thursday before Christmas
December 23
December 24
- National Eggnog Day
- Christmas Eve
- Chanukah Begins – Changes Annually December 24, 2016
December 25
December 26
December 27
December 28
December 29
December 30
- National Bicarbonate of Soda Day
- Falling Needles Family Fest Day
- Bacon Day
- No Interruptions Day – Last Work Day of the Year
December 31
- National Champagne Day
- Leap Second Time Adjustment Day(Note: This is listed as an observance title only. Some years scientists do not make adjustments.But, if they do, then it’s done on either June 30 or December 31.)
- Make Up Your Mind Day
- New Years Eve
- Universal Hour of Peace
*Day * – Proclamation
Monthly Events, Holidays
AIDS Awareness Month
Awareness Month of Awareness Months Month
Bingo’s Birthday Month
National Drunk & Drugged Driving (3D) Prevention Month
National Human Rights Month
National Tie Month
National Write A Business Plan Month
Operation Santa Paws (1-24)
Quince and Watermelon Month
Root Vegetables and Exotic Fruits Month
Safe Toys and Gifts Month
Spiritual Literacy Month
Take a New Year’s Resolution to Stop Smoking (TANYRSS) (12/17 – 2/5)
Tomato and Winter Squash Month
Universal Human Rights Month
Worldwide Food Service Safety Month
Weekly Holidays, Events
Clerc-Gallaudet Week: 1-7 (First Week)
Cookie Cutter Week: 1-7
Crohn’s and Colitis Awareness Week: 1-7
National Handwashing Awareness Week: 1-7 Link (First Week)
Recipe Greetings For The Holidays Week: 7-13 (First Full Week)
Tolerance Week: 1-7
Human Rights Week: 10-17
Halcyon Days: 14-28 (Always 7 days before and 7 days after the Winter Solstice)
Christmas Bird Count Week: 14-1/5
Gluten-free Baking Week: 14-20 (Week Before Christmas)
Posadas: 16-24
Saturnalia: 17-23
It’s About Time Week: 25-31
Kwanzaa: 26-1/1
