Sign up for $0.00
Free calendar · Updated August 2026 · Works in your browser

December 2026 Social Media Holidays

25 dates to post about in December 2026, from Giving Tuesday to Hanukkah begins (evening). Filter by type, search for a theme, copy a post idea or send it to the scheduler with the hashtags attached.

Free calendar · 25 dates in December 2026 · updated for 2026
Tue, Dec 1moves yearly
Giving Tuesday Shopping
Pledge a percentage of today's sales to a named charity and post the receipt tomorrow.
#GivingTuesday
Schedule →
Tue, Dec 1
World AIDS Day Awareness day
Wear red ribbons as a team and link to a local testing or support service in the caption.
#WorldAIDSDay
Schedule →
Thu, Dec 3
International Day of Persons with Disabilities Awareness day
Audit your shop or website for one accessibility gap and post what you fixed, with a photo.
#IDPD#DisabilityDay
Schedule →
Fri, Dec 4
National Cookie Day Fun dayUS
Bake a batch on camera and give a cookie to every customer who mentions the post.
#NationalCookieDay
Schedule →
Fri, Dec 4moves yearly
Hanukkah begins (evening) Religious
Wish customers a happy Hanukkah and show the menorah in your window each night as candles are added.
#Hanukkah#Chanukah#HappyHanukkah
Schedule →
Sat, Dec 5
International Volunteer Day Awareness day
Introduce a team member who volunteers and let them explain the work in their own words.
#IVD2026#InternationalVolunteerDay
Schedule →
Sun, Dec 6
St. Nicholas Day Religious
Slip a small treat into every order today and explain the boot-and-chocolate tradition behind it.
#StNicholasDay
Schedule →
Mon, Dec 7
National Letter Writing Day Fun day
Handwrite a thank-you letter to your longest-standing customer and post a photo before you seal it.
#NationalLetterWritingDay
Schedule →
Tue, Dec 8
National Brownie Day Fun day
Give away brownies with purchases over a set amount and photograph the last tray of the day.
#NationalBrownieDay
Schedule →
Thu, Dec 10
Human Rights Day Awareness day
Publish your supplier code of conduct in plain words and say how you check it.
#HumanRightsDay#StandUp4HumanRights
Schedule →
Fri, Dec 11
International Mountain Day Awareness day
Share the highest place your product has travelled with a customer, with their photo and permission.
#InternationalMountainDay#MountainsMatter
Schedule →
Sat, Dec 12
National Gingerbread House Day Fun day
Build a gingerbread version of your storefront and time-lapse the whole thing.
#GingerbreadHouseDay
Schedule →
Sun, Dec 13
National Cocoa Day Fun day
Serve free cocoa for the first hour and post the recipe for anyone celebrating at home.
#NationalCocoaDay
Schedule →
Wed, Dec 16
National Chocolate Covered Anything Day Fun day
Dip an unlikely item from your range in chocolate on camera and dare followers to try it.
#ChocolateCoveredAnythingDay
Schedule →
Fri, Dec 18moves yearly
National Ugly Christmas Sweater Day Fun day
Photograph the team in their worst jumpers and let followers vote for the winner in the comments.
#UglySweaterDay#UglyChristmasSweater
Schedule →
Sat, Dec 19moves yearly
Super Saturday ShoppingUS
Extend hours for last-minute shoppers, list gift-wrap options, and post a gifts-under-a-set-price roundup.
#SuperSaturday#PanicSaturday
Schedule →
Mon, Dec 21
Winter Solstice Seasonal
Post the sunrise from your premises on the shortest day, and note the extra light coming from tomorrow.
#WinterSolstice
Schedule →
Mon, Dec 21
National Crossword Puzzle Day Fun day
Create a small crossword where the answers are your products and reward the first complete entry.
#CrosswordPuzzleDay
Schedule →
Wed, Dec 23
Festivus Fun day
Air one grievance about your own business, then commit to fixing it in the new year.
#Festivus
Schedule →
Thu, Dec 24
Christmas Eve Seasonal
Send a short video thanking customers, filmed as the shop closes, with the reopening date on screen.
#ChristmasEve
Schedule →
Fri, Dec 25
Christmas Day Religious
Schedule a simple greeting and take the day off; no product, no link, just a warm message.
#MerryChristmas#Christmas
Schedule →
Sat, Dec 26
Boxing Day Public holidayUK
Reveal the sale items with old and new prices side by side, and say how much stock remains.
#BoxingDay
Schedule →
Sat, Dec 26
Kwanzaa begins ReligiousUS
Greet customers observing Kwanzaa and share the first principle, Umoja, with a note on what it means.
#Kwanzaa#HappyKwanzaa
Schedule →
Wed, Dec 30
National Bacon Day Fun day
Cook a bacon special on camera and let followers vote on crispy versus chewy.
#NationalBaconDay
Schedule →
Thu, Dec 31
New Year's Eve Seasonal
Compile a year-in-review carousel: best seller, biggest mistake, funniest moment, and a thank-you.
#NewYearsEve#NYE
Schedule →

Dates marked "moves yearly" follow a calendar rule (Easter, Thanksgiving, Diwali) and are shown for 2026. Fun "national days" are the ones marketers actually post about, not every entry on the national-day registries.

Planning December content

Choose the handful of days that fit your audience and schedule them now; the rest of the month is for your own content. Awareness days with a real story behind them and shopping dates with a real offer outperform generic "happy national X day" posts every time. Use the best-time-to-post tools to pick the slot, and the hashtag counter to keep tags in check.

Also see November and January, or the full 2026 calendar.

Frequently asked questions

What are the social media holidays in December 2026?

Giving Tuesday (1 Dec), World AIDS Day (1 Dec), International Day of Persons with Disabilities (3 Dec), National Cookie Day (4 Dec), Hanukkah begins (evening) (4 Dec), International Volunteer Day (5 Dec), St. Nicholas Day (6 Dec), National Letter Writing Day (7 Dec) and 17 more listed above.

Do I need to post on every one?

No. Two or three a month that fit your brand is plenty; the rest is noise.

Related free tools

Social Media Holiday Calendar 2026January 2026 Social Media HolidaysFebruary 2026 Social Media HolidaysMarch 2026 Social Media HolidaysApril 2026 Social Media HolidaysMay 2026 Social Media HolidaysJune 2026 Social Media Holidays

All free tools →

Write it here, publish it everywhere

Social by InstantDM schedules to Instagram, Facebook, X, LinkedIn, TikTok, Pinterest, Threads and YouTube from one calendar, with AI captions, previews and an API. Start free — $0 today, cancel anytime.

Sign up for $0.00