Social media may be saturated, but brand engagement isn’t dipping. Four in five consumers say they’ll interact with brand content as much or more than they do today, according to Sprout Social’s 2026 Social Media Content Strategy Report.

But continued engagement doesn’t mean guaranteed attention. Brands still have to earn it by finding relevant and timely ways to start and participate in conversations.

Hashtag holidays are social media moments that provide a natural entry point into conversations people are already primed to engage with. From #DressUpYourPetDay to #CustomerAppreciationDay, there are hundreds of hashtag holidays to choose from, and by selecting the right ones for your audience, you can reach your goals on social.

We’ve curated a comprehensive list of the top hashtag holidays for 2026. Read on to learn more about how to find the right social-specific holidays to spice up your calendar and brand examples that stood out to us from 2025.

What are hashtag holidays?

Hashtag holidays are social media holidays, like #NationalDonutDay on June 7th, that gain traction on social media through their designated hashtags.

Unlike fast-moving social media trends, they’re predictable moments you can plan for. This gives you ample time to prep. Plus, you get a strong entry point into conversations that matter to your audience through shared cultural moments. After all, according to The 2025 Sprout Social Index, 93% of consumers say it’s important for brands to keep up with online culture.

Every month offers unique opportunities to tap into these social media moments, making your posts feel timely, relevant and engaging.

Creating your hashtag holiday strategy

Here’s how to create a holiday hashtag strategy around the moments that make sense for your brand and audience.

Choose relevant hashtag holidays

Audiences notice when brands show up in cultural moments, and according to Sprout’s 2026 Content Strategy Report, 70% of consumers feel brands are doing a good or excellent job keeping up with trends.

That doesn’t mean brands should jump on every social media holiday. For social teams, the opportunity is in choosing the ones that make sense for your brand and audience, rather than participating in moments just for visibility.

Participation in random trends can erode trust, whereas participation in relevant conversations your audience is already having shows you are listening. Being selective helps build stronger connections.

Listen to your audience and monitor trends

Social media listening shows you if people are already engaging with a holiday hashtag. It provides insights on audience interest and sentiment, versus relying on surface-level insights, like hashtag popularity, that don’t tell you who is using it, how they’re using it or why.

With Sprout Social Listening, your team can monitor discussions related to your industry and brand to identify the topics and hashtags your audience already cares about. And Sprout’s agentic conversational AI, Trellis, can provide data-backed answers to your questions, helping you uncover key insights to make informed decisions about which hashtag holidays deserve your focus.

And when you add in media intelligence, it works in tandem with social listening to help brands ensure they are showing up where their audience already finds value, or will find value.

To understand what news is already resonating on social and beyond, pair Trellis with predictive media intelligence from NewsWhip by Sprout Social. NewsWhip identifies which stories and themes related to those topics are gaining momentum in the broader news cycle, providing early signals into conversations that your audiences may care about next.

A NewsWhip by Sprout Social interface that asks what type of search the user is looking to do, a live issue or event, or an ongoing topic or brand.

Use insights to inform content creation

Once you’ve identified holiday hashtags that align with your audience, the next step is to gather insights to shape content that feels relevant and timely.

Here are three ways you can do that:

  1. As the holiday approaches, revisit your social listening data to see which conversations, themes or questions are gaining traction. This shows what people care about right now.
  2. Review how other brands in your industry approached similar holidays last year and evaluate what resonated with their audiences. Just because the creative was great doesn’t mean it drove engagement.
  3. Look at how your audience engaged with the holiday last year. If it drove little interest in 2025, it may not be worth prioritizing in 2026.

This will give you a clear picture of how people are celebrating this year and help you create content to reflect real-time sentiment and cultural context.

It’s worth noting that insights only create value when they’re acted on. According to the Q4 2025 Sprout Pulse Survey, 55% of global consumers say brands don’t always act on what they hear on social.

Using audience insights to guide your hashtag holiday content helps close that gap and improves the chances your posts will resonate.

Repurpose content and engage your audience

Creating content for hashtag holidays in advance gives you more room to be creative and intentional.

Use an opportunity like this to showcase your brand’s personality. That might mean leaning into humor or referencing cultural moments. It could also involve experimenting with trending formats or adding interactive elements like polls and quizzes that invite your audience to engage.

User-generated content (UGC) is another effective way to boost engagement. Encourage your audience to share photos, stories or ideas related to the hashtag holiday and tag your brand, then feature their contributions in your posts.

If you’re tight on time or resources, repurposing existing content can be just as effective when done thoughtfully. For example, if you’re celebrating #NationalPizzaDay, repurpose an old recipe post with updated visuals, like the example below, or pair it with a trending meme for a fresh spin.

An Instagram post from Food Empowerment Project for National Pizza Day featuring a free vegan pizza recipe.

And because hashtag holidays are meant to be fun and collaborative, they’re also a good opportunity to bring in other teams. Loop in your teammates as soon as possible if you’re planning to ask them to participate in a brainstorming session or be on camera.

Know your networks

Social media content creation needs to align with the network. To get the most return for your effort, use social listening insights to determine which network the holiday hashtag is most active on, and where your audience is most likely to engage.

Being selective with both your content and the network will make it feel more native. After all, joining a conversation that’s already happening feels natural. Trying to spark one when the audience hasn’t shown interest in the holiday can feel awkward or forced.

2026 hashtag holidays to include in your calendar (with examples)

Here are some of our favorite hashtags and the brands that nailed their execution in 2025. All dates listed in the tables below reflect the 2026 calendar.

January hashtag holidays

Date Holiday name #HolidayHashtag
January 1 New Year’s Day #NewYearsDay
January 4 World Braille Day #WorldBrailleDay
January 4 National Trivia Day #NationalTriviaDay
January 8 Technology Day #TechnologyDay
January 8 National Bubble Bath Day #NationalBubbleBathDay
January 10 Houseplant Appreciation Day #HouseplantAppreciationDay
January 11 International Thank You Day #InternationalThankYouDay
January 14 World Logic Day #WorldLogicDay
January 15 National Hat Day #NationalHatDay
January 19 Blue Monday #BlueMonday
January 20 Cheese Lovers Day #CheeseLoversDay
January 23 National Pie Day #NationalPieDay
January 24 International Day of Education #InternationalDayOfEducation
January 25 Opposite Day #OppositeDay
January 27 National Plan for Vacation Day #NationalPlanForVacationDay
January 28 Data Privacy Day #DataPrivacyDay, #PrivacyAware
January 29 National Puzzle Day #PuzzleDay
January 31 National Hot Chocolate Day #NationalHotChocolateDay

Starting the year strong, January hashtag holidays generally center on fresh starts and learning. Check out the example below for inspiration.

#NationalTriviaDay

As the Jeopardy of hashtag holidays, #NationalTriviaDay on January 4 marks the day every year when people (and brands) can flaunt their niche knowledge.

e.l.f. Cosmetics brought this day to life by asking its audience to test their brand knowledge in a carousel and comment on how many they got right. This approach rewarded fans for their loyalty and taught newer followers about the brand in an engaging way.

An Instagram post from E.l.f. Cosmetics on National Trivia Day. The carousel post is quiz to test the readers brand knowledge.

Apply it: Gamify your content around the hashtag holiday you’ve selected. Turn product details, brand history, behind-the-scenes facts or trivia questions (like in the example above) into a carousel and get your audience in on the game in the comments.

February hashtag holidays

Date Holiday name #HolidayHashtag
February 2 Groundhog Day #GroundhogDay
February 2 World Wetlands Day #WorldWetlandsDay
February 4 World Cancer Day #WorldCancerDay
February 4 National Girls and Women in Sports Day #NationalGirlsandWomeninSportsDay
February 7 National Send a Card to a Friend Day #SendACardToAFriendDay
February 9 National Pizza Day #NationalPizzaDay
February 10 Safer Internet Day #SaferInternetDay
February 11 International Day of Women and Girls in Science #WomenInScience, #EveryVoiceInScience
February 11 Inventors Day #InventorsDay, #NationalInventorsDay
February 13 World Radio Day #WorldRadioDay
February 13 Galentine’s Day #GalentinesDay
February 14 Valentine’s Day #ValentinesDay
February 15 World Hippo Day #WorldHippoDay
February 17 Random Acts of Kindness Day #RandomActsOfKindnessDay
February 17 Lunar New Year #LunarNewYear, #ChineseNewYear
February 20 Love Your Pet Day #LoveYourPetDay
February 21 International Mother Language Day #MotherLanguageDay
February 22 World Thinking Day #WorldThinkingDay
February 28 National Skip the Straw Day #SkipTheStraw, #SkipTheStrawDay

February’s hashtag holidays focus on connection and care. The brand examples below show how you can use these moments to strengthen relationships and build trust with your audience.

#GalentinesDay

While Galentine’s Day officially originated on the show “Parks and Recreation,” February 13 became widely celebrated on social media as a way for everyone to go all-out for their besties.

Last #GalentinesDay, Silk and Sonder, a monthly wellness journal subscription service, invited followers to tag their Galentine in the comments. Each tag prompted the friend to land on the post and read a series of sweet affirmations celebrating different types of friendships.

Instagram post by Silk and Sonder on Galentine’s Day with friendship-focused affirmations.

Apply it: While many brands use a hashtag holiday to promote products, consider creating content that helps your audience connect with each other. One of the simplest ways to do that is to invite followers to tag their friends.

#NationalPizzaDay

As one of the most delicious hashtag holidays, #NationalPizzaDay on February 9 is an ideal opportunity to showcase your gooey cheese and buttery crust and rally your customers around fan-favorite offerings.

Domino’s launched a National Pizza Day contest to engage its audience. In the comments section of the Facebook post about their giveaway, their most loyal fans were eager to share their go-to pizza order, hoping to win a free large three-topping pizza.

A Facebook contest post from Domino's Pizza on National Pizza Day announcing they are giving away a free large 3-topping pizza.

Apply it: People love a chance to win free items. Host a giveaway or contest to celebrate a hashtag holiday.

March hashtag holidays

Date Holiday name #HolidayHashtag
March 1 World Compliment Day #WorldComplimentDay
March 3 World Wildlife Day #WorldWildlifeDay
March 6 National Dentist Day #NationalDentistDay
March 7 Employee Appreciation Day #EmployeeAppreciationDay
March 8 International Women’s Day #IWD
March 10 Popcorn Lovers Day #PopcornLoversDay
March 10 National Organize Your Home Office Day #NationalOrganizeYourHomeOfficeDay
March 14 Pi Day #PiDay
March 14 World Sleep Day #WorldSleepDay
March 15 World Consumer Rights Day #WorldConsumerRightsDay
March 17 St Patrick’s Day #StPatricksDay
March 18 Global Recycling Day #GlobalRecyclingDay
March 19 International Day for Digital Learning #DigitalLearningDay
March 20 World Storytelling Day #WorldStorytellingDay
March 21 World Poetry Day #WorldPoetryDay
March 22 World Water Day #WorldWaterDay
March 23 National Puppy Day #NationalPuppyDay

Many of March’s hashtag holidays are about raising awareness—World Water Day for example—or having fun, like St. Patrick’s Day. There are plenty of opportunities in March to make your audience stop and think, or stop and smile.

#WorldStorytellingDay

#WorldStorytellingDay on March 20 brings an ancient tradition to a modern forum by connecting people through stories. Because this day is so broadly applicable, any organization or industry can participate.

For instance, investment firm KKR participated in this hashtag holiday by sharing an audio clip from its co-head of global private equity talking about what he learned from his father. The post puts the organization’s culture and values on display in a way that fits the network, the audience and #WorldStorytellingDay.

LinkedIn post from KKR on World Storytelling Day featuring a story from the Co-Head of Global Private Equity about what he learned from his dad.

Apply it: Create content that features an authentic story that reflects your brand’s history, values or culture. Feature leaders or employees to humanize your brand and content.

April hashtag holidays

Date Holiday name #HolidayHashtag
April 1 April Fools Day #AprilFools
April 3 National Walk to Work Day #WalktoWorkDay
April 5 National DIY Day #DIYDay
April 7 World Health Day #WorldHealthDay
April 10 National Siblings Day #NationalSiblingsDay
April 11 National Pet Day #NationalPetDay
April 15 World Art Day #WorldArtDay
April 16 High Five Day #NationalHighFiveDay, #HighFiveDay, #NH5D
April 20 National Look-Alike Day #NationalLookAlikeDay
April 21 World Creativity and Innovation Day #CreativityandInnovationday
April 22 Earth Day #EarthDay, #MotherEarthDay
April 23 World Book and Copyright Day #WorldBookDay
April 23 National Take Your Kid to Work Day #TakeYourKidtoWorkDay
April 28 National Superhero Day #NationalSuperHeroDay
April 29 World Wish Day #WishDay, #WorldWishDay
April 30 National Honesty Day #NationalHonestyDay
April 30 International Jazz Day #JazzDay

April’s hashtag holidays strongly prompt participation in different ways. #EarthDay asks us to act for the planet and #AprilFools calls for hijinks.

The examples below show how brands can show up while keeping things light and engaging.

#NationalSiblingDay

Let’s hear it for the siblings. #NationalSiblingsDay on April 10 celebrates the special bond siblings share.

Some brands celebrate the hashtag holiday literally. Last year, the Washington Metropolitan Area Transit Authority introduced identical twin police officers in a funny X video where they get quizzed on how similar they really are.

X post from the Washington Metropolitan Area Transit Authority quizzing two police officers and identical twins on how well they know each other.

Apply it: If you have siblings working at your organization, consider highlighting them on #NationalSiblingsDay. You can also feature other siblings, like adorable animals or famous families.

#EarthDay

#EarthDay is a hashtag holiday and a movement. Social media helps the cause gain momentum, which is why every April 22 your feeds are flooded with Earth appreciation content.

ADAMA, the global crop protection company, marked #MotherEarthDay with a post highlighting it’s approach of balancing performance with sustainability. The post also highlights specific examples of ADAMA innovations that support both grower productivity and environmental responsibility.

ADAMA Ltd. Facebook post about how their products support farmers and the planet for Earth Day.

Apply it: Share how your brand is supporting a cause in tangible ways. If you are still working toward progress, don’t be shy. Share your goals and what you’ve accomplished so far.

May hashtag holidays

Date Holiday name #HolidayHashtag
May 1 International Workers Day #IntWorkersDay
May 2 National Small Business Day #NationalSmallBusinessDay
May 3 World Laughter Day #WorldLaughterDay
May 4 Star Wars Day #MayThe4thBeWithYou, #StarWarsDay
May 5 Cinco De Mayo #CincoDeMayo
May 7 World Password Day #WorldPasswordDay
May 12 International Nurses Day #InternationalNursesDay
May 15 International Day of Families #InternationalDayOfFamilies
May 15 Bike to Work Day #BiketoWorkDay, #BTWD
May 16 International Day of Light #InternationalDayOfLight, #LightDay
May 17 International Day Against Homophobia and Transphobia #IDAHOT
May 18 International Museum Day #InternationalMuseumDay
May 21 International Tea Day #InternationalTeaDay
May 25 National Wine Day #NationalWineDay
May 27 National Sunscreen Day #NationalSunscreenDay
May 28 National Hamburger Day #NationalHamburgerDay
May 30 National Creativity Day #NationalCreativityDay

May’s hashtag holidays celebrate work, cultural curiosity and warmer days. Here’s how some brands are joining these moments in May.

#InternationalMuseumDay

#InternationalMuseumDay, celebrated annually on May 18, shines a spotlight on the importance of museums in cultural exchange and education. It’s the perfect occasion to explore art, history and innovation virtually and in-person.

In 2025, on #InternationalMuseumDay, the International Council of Museums (ICOM) shared a communications kit designed to help museums worldwide participate in the celebrations. Their campaign encouraged museums to engage with the theme by hosting events, sharing stories and promoting their role as knowledge hubs.

Instagram post from ICOM promoting their annual International Museum Day communications kit for museums.

Apply it: Make it easy for your community to participate in a hashtag holiday by sharing ready-to-use resources. Toolkits, DIY kits, prompts or templates help turn a hashtag holiday into coordinated action and celebration.

June hashtag holidays

Date Holiday name #HolidayHashtag
June 1 Global Day of Parents #GlobalDayOfParents
June 3 World Bicycle Day #WorldBicycleDay
June 4 National Cheese Day #NationalCheeseDay
June 5 National Donut Day #NationalDonutDay
June 6 National Higher Education Day #HigherEducationDay
June 8 Best Friends Day #BestFriendsDay
June 8 World Ocean Day #WorldOceanDay
June 14 World Blood Donor Day #GiveBlood, #WorldBloodDonorDay
June 18 International Picnic Day #InternationalPicnicDay
June 21 International Yoga Day #InternationalYogaDay
June 21 World Music Day #WorldMusicDay
June 27 National Sunglasses Day #NationalSunglassesDay
June 30 Social Media Day #SocialMediaDay, #SMDay

#NationalDonutDay

On the first Friday of June, we celebrate glazed, cream-filled treats on #NationalDonutDay.

In 2025, Dunkin’ gave away free donuts to everyone who purchased a beverage for the social media holiday. The brand created a user-generated content style video for TikTok filmed from the perspective of someone visiting a Dunkin’ location for #NationalDonutDay.

A Dunkin’ TikTok post shot UGC-style for National Donut Day, promoting their free classic donut with any drink purchase.

Apply it: It’s hard not to love free stuff. Offering a small giveaway will help generate foot traffic to your store and engagement on social. Even if you aren’t a donut maker, or any kind of food business, you can partner with one to generate foot traffic and make the most of the occasion.

July hashtag holidays

Date Holiday name #HolidayHashtag
July 1 International Joke Day #InternationalJokeDay
July 1 National Postal Worker Day #NationalPostalWorkerDay
July 2 World UFO Day #WorldUFODay
July 3 International Plastic Bag Free Day #InternationalPlasticBagFreeDay
July 5 International Bikini Day #NationalBikiniDay
July 6 International Fried Chicken Day #InternationalFriedChickenDay
July 7 World Chocolate Day #WorldChocolateDay
July 10 National Piña Colada Day #NationalPinaColadaDay, #PinaColadaDay
July 10 National French Fry Day #NationalFrenchFryDay
July 11 Cheer Up The Lonely Day #CheerUpTheLonelyDay
July 15 Give Something Away Day #GiveSomethingAwayDay
July 17 World Emoji Day #WorldEmojiDay
July 18 World Listening Day #WorldListeningDay
July 18 Nelson Mandela Day #MandelaDay
July 19 National Ice Cream Day #NationalIceCreamDay
July 30 International Friendship Day #DayOfFriendship, #FriendshipDay, #InternationalDayOfFriendship
July 30 National Cheesecake Day #NationalCheesecakeDay
July 31 National Avocado Day #NationalAvocadoDay

July’s hashtag holidays mix summer indulgence and internet culture with moments focused on generosity, listening and connection. This brand example below shows what thoughtful participation can look like across both lighthearted and more reflective moments.

#NationalPinaColadaDay

If you like piña coladas and posting on social media, #NationalPinaColadaDay will be up your alley. On July 10, restaurants, bars and social media users come together to celebrate a drink that’s basically a vacation in a glass.

Skyline Rooftop Bar posted a slo-mo Instagram video romanticizing the process of making a piña colada to make their audience thirsty, and paired it with some fun facts in the caption.

A hotel brand Instagram post celebrating National Piña Colada Day with facts about the cocktail.

Apply it: Turn hashtag holidays like this into sensory experiences. Capture the sights and sounds in video, and if you want to take a page from the example, pair it with a quick fact or story.

August Hashtag Holidays

Date Holiday name #HolidayHashtag
August 1 World Wide Web Day #WorldWideWebDay
August 1 National Girlfriends Day #NationalGirlfriendsDay
August 2 National Coloring Book Day #NationalColoringBookDay
August 7 International Beer Day #InternationalBeerDay
August 8 International Cat Day #InternationalCatDay
August 10 National Lazy Day #NationalLazyDay
August 12 International Youth Day #InternationalYouthDay
August 12 World Elephant Day #WorldElephantDay
August 14 National Financial Awareness Day #FinancialAwarenessDay
August 15 National Relaxation Day #NationalRelaxationDay
August 16 National Tell a Joke Day #NationalTellAJokeDay
August 17 National Nonprofit Day #NationalNonProfitDay
August 19 World Humanitarian Day #WorldHumanitarianDay
August 19 World Photography Day #WorldPhotographyDay
August 20 National Lemonade Day #NationalLemonadeDay
August 21 World Entrepreneurs’ Day #WorldEntrepreneurshipDay
August 24 National Waffle Day #NationalWaffleDay
August 26 National Dog Day #NationalDogDay
August 30 National Grief Awareness Day #NationalGriefAwarenessDay

August is full of light and playful hashtag holidays, with plenty dedicated to food and beverages. This month of social media holidays is ideal for leaning into feel-good content. Below, see how one brand interpreted #WorldPhotographyDay.

#WorldPhotographyDay

With over 1.5 trillion photos taken each year globally, it’s safe to say #WorldPhotographyDay has mass appeal. August 19 is an opportunity to share a love of photography.

Nikon USA partnered with the nonprofit Black Women Photographers for a World Photography Day giveaway as part of the #BWPxNikon partnership, which also includes grants and ongoing support for photographers. The activation extended the reach of the social media holiday while reinforcing the goals of the collaboration.

A Nikon USA World Photography Day Instagram giveaway promoting a Nikon camera through a brand partnership and community engagement.

Apply it: Activate long-term partnerships or explore new ones through influencer marketing during hashtag holidays. This expands reach, and in the case of partnerships, reinforces shared goals.

September hashtag holidays

Date Holiday name #HolidayHashtag
September 1 World Letter Writing Day #WorldLetterWritingDay
September 2 World Coconut Day #WorldCoconutDay
September 4 Eat an Extra Dessert Day #EatAnExtraDessertDay, #NationalEatAnExtraDessertDay
September 4 National Food Bank Day #NationalFoodBankDay
September 5 International Day of Charity #CharityDay
September 6 Read a Book Day #ReadaBookDay
September 8 International Literacy Day #LiteracyDay
September 10 World Suicide Prevention Day #SuicidePreventionDay
September 12 National Video Games Day #NationalVideoGamesDay
September 13 National Grandparents Day #NationalGrandparentsDay
September 15 Online Learning Day #OnlineLearningDay
September 18 International Equal Pay Day #EqualPayDay
September 19 Talk Like a Pirate Day #TalkLikeAPirateDay
September 19 World CleanUp Day #WorldCleanUpDay
September 21 International Day of Peace #InternationalDayOfPeace
September 21 World Alzheimer’s Day #WorldAlzheimersDay
September 22 Hobbit Day #HobbitDay
September 22 Car-Free Day #CarFreeDay
September 27 World Tourism Day #WorldTourismDay
September 30 International Podcast Day #InternationalPodcastDay
September 30 National Women’s Health and Fitness Day #NationalWomensHealthAndFitnessDay

Education, cooperation and travel are all strong themes this month. The following example highlights a practical way to engage with one of September’s many hashtag holidays.

#NationalGrandparentsDay

On the first Sunday after Labor Day in the US (September 13 in 2026), we celebrate all our beloved grandparents on #NationalGrandparentsDay.

To celebrate the occasion, Publix shared a photo of Frank, a cashier in North Carolina, with his grandkids, who work at the same store as him. The post depicted an authentic multigenerational connection that captured the spirit of the day.

Instagram post by Publix about an employee named Frank in North Carolina who works with his grandkids on National Grandparents Day.

Apply it: Use hashtag holidays to highlight real people and relationships within your organization to make your brand feel more human and relatable.

October hashtag holidays

Date Holiday name #HolidayHashtag
October 1 World Vegetarian Day #WorldVegetarianDay
October 1 International Coffee Day #InternationalCoffeeDay
October 2 World Smile Day #WorldSmileDay
October 3 National Boyfriend Day #NationalBoyfriendDay
October 4 World Animal Day #WorldAnimalDay
October 4 National Taco Day #NationalTacoDay
October 5 World Teachers Day #WorldTeachersDay
October 8 World Octopus Day #WorldOctopusDay
October 8 World Sight Day #WorldSightDay
October 10 World Mental Health Day #WorldMentalHealthDay
October 11 International Day of the Girl #DayOfTheGirl
October 15 Global Handwashing Day #GlobalHandwashingDay
October 16 World Food Day #WorldFoodDay
October 16 Boss’s Day #BossesDay
October 17 National Pasta Day #NationalPastaDay
October 25 Greasy Foods Day #GreasyFoodsDay
October 28 National Chocolate Day #NationalChocolateDay
October 30 Checklist Day #ChecklistDay
October 30 National Publicist Day #NationalPublicistDay
October 31 Halloween #Halloween

October’s hashtag holidays are driven by awareness and indulgence, blending cause-led moments with food, fun and cultural touchstones. What follows is an example of how to use one of these moments thoughtfully.

#InternationalCoffeeDay

Perhaps the most beloved hashtag holiday of all, #InternationalCoffeeDay on October 1 celebrates our collective love of java.

Surprisingly, the Science family of journals jumped on #InternationalCoffeeDay by linking the moment back to academic life. Instead of posting about coffee itself, they share an article on why scientists should take more coffee breaks, using the holiday to spotlight the realities of research life.

Science's Facebook post marking International Coffee Day by sharing an article about the benefits of workplace coffee breaks.

Apply it: Don’t be afraid to repurpose content, like videos, images, blog posts, podcast episodes or UGC, and post it during hashtag holidays. Even if the holiday isn’t an obvious fit, you can make it feel timely by tying it to a relevant insight or story.

November hashtag holidays

Date Holiday name #HolidayHashtag
November 1 World Vegan Day #WorldVeganDay
November 2 Dia de los Muertos / Day of the Dead #DiaDeLosMuertos, #DayOfTheDead
November 8 Science, Technology, Engineering and Medicine (STEM) Day #STEMDay
November 11 Singles’ Day #SinglesDay
November 13 World Kindness Day #WorldKindnessDay
November 14 World Diabetes Day #WorldDiabetesDay
November 15 National Pickle Day #NationalPickleDay
November 15 National Philanthropy Day #NationalPhilanthropyDay
November 17 International Students Day #InternationalStudentsDay
November 17 National Take a Hike Day #NationalTakeAHIkeDay
November 19 International Men’s Day #InternationalMensDay
November 19 Women’s Entrepreneurship Day #WomensEntrepreneurshipDay
November 20 World Children’s Day #WorldChildrensDay
November 21 World Television Day #WorldTelevisionDay
November 27 Black Friday #BlackFriday
November 28 Small Business Saturday #ShopSmall
November 30 Cyber Monday #CyberMonday

November’s hashtag holidays are shaped by impact and participation. The month blends global awareness and advocacy with moments that spotlight commerce, entrepreneurship and consumer behavior.

Below, see how one food brand is showing up for #SinglesDay.

#SinglesDay

Celebrated annually on November 11, #SinglesDay centers on independence and self-celebration. What began as an anti-Valentine’s moment has evolved into a global cultural and commerce event, especially on social.

Australian fashion brand Meshki tapped into a viral pop culture moment—Vogue declaring that “having a boyfriend is embarrassing”—and reframed it through the lens of #SinglesDay. The TikTok features two women reacting to the “announcement” while wearing Meshki pieces, announcing the brand’s Singles’ Day sale in a way that felt timely and native to the network.

A TikTok post about Meshki’s Singles’ Day sale, paired with a video showing how good it feels to not have a boyfriend after Vogue said it was embarrassing.

Apply it: Look for ways to pair hashtag holidays with timely cultural moments your audience already recognizes. Anchoring holiday content to current conversations helps it feel relevant and engaging, even when there’s a promotional angle.

December hashtag holidays

Date Holiday name #HolidayHashtag
December 1 Giving Tuesday #GivingTuesday
December 3 International Day of Persons with Disabilities #IDPD, #DisabilityDay
December 4 National Cookie Day #NationalCookieDay, #CookieDay
December 5 International Volunteer Day #InternationalVolunteerDay
December 5 World Soil Day #WorldSoilDay
December 5 International Ninja Day #InternationalNinjaDay
December 8 Pretend to Be a Time Traveler Day #PretendToBeATimeTravelerDay
December 10 International Human Rights Day #HumanRightsDay
December 10 International Animal Rights Day #AnimalRightsDay
December 11 International Mountain Day #InternationalMountainDay
December 15 National Cupcake Day #NationalCupcakeDay
December 17 National Maple Syrup Day #NationalMapleSyrupDay
December 18 Ugly Sweater Day #UglySweaterDay
December 23 Festivus #Festivus
December 24 Christmas Eve #ChristmasEve
December 25 Christmas Day #ChristmasDay
December 26 Boxing Day #BoxingDay
December 31 New Year’s Eve #NewYearsEve

December is defined by reflection and celebration. These hashtag holidays give brands space to look back, give back and close the year on a more human note. The following examples show practical ways to engage with these end-of-year hashtag holidays.

#GivingTuesday

#GivingTuesday marks the Tuesday after Black Friday when people turn their spending toward nonprofits.

On #GivingTuesday, PayPal posted on LinkedIn about offering fee-free donations and the scale of impact enabled through its network. The post paired a clear call to action with proof points, making participation feel simple and meaningful.

Paypal LinkedIn post thanking people for giving and explaining they are waving fees on donations through its platform on Giving Tuesday.

Apply it: Unless you’re an NGO or partnering with one, don’t promote your content on #GivingTuesday. Instead, find a way to amplify or support organizations that are serving communities in need.

#Festivus

Although the show “Seinfeld” ended long ago, it’s still influencing pop culture. In the show, the character George Constanza’s family celebrated #Festivus as an alternative to Christmas. Since then, Dec 23 has become a holiday season hashtag observed by Seinfeld superfans.

Twin Sails Beer released a custom beer before #Festivus, naming it after a quote from the show (“these pretzels are making me thirsty”) to engage their followers with a clever nod to pop culture. Alongside some styled product shots, the Instagram carousel included a clip from the show featuring the quote to bring everyone in on the joke.

Instagram carousel post from Twin Sails Beer announcing they are releasing a stout called “These Pretzels Are Making Me Thirsty” for Festivus.

Apply it: When it comes to pop culture related hashtag holidays, go deeper than the hashtag by anchoring your content in a specific detail that fans will recognize.

Plan for the always-on holiday season

Audiences are more than happy to engage with brands that show up with the right content in the right moments. Hashtag holidays give you an opportunity to balance planning ahead while staying connected to online culture.

And when you use social media insights to decide which social media holidays to participate in, you can be confident you’re joining the right conversations.

Get started with your hashtag holiday planning by creating your 30-day social media plan.