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Social Media Holiday Calendar 2026 (Per Platform)
Comprehensive 2026 social media holiday calendar, National Donut Day, World Mental Health Day, etc, with hashtag suggestions per platform.
All
Thu, January 1
New Year's Day
#NewYear2026
Resolution / fresh-start content
Sun, January 4
National Trivia Day
#NationalTriviaDay
Industry trivia posts
Tue, January 20
Penguin Awareness Day
#PenguinAwarenessDay
Wed, February 4
World Cancer Day
#WorldCancerDay
Charity tie-in opportunity
Mon, February 9
Safer Internet Day
#SaferInternetDay
Sat, February 14
Valentine's Day
#ValentinesDay
Gift / love content
Fri, February 20
Love Your Pet Day
#LoveYourPetDay
Sun, March 8
International Women's Day
#IWD2026
Be substantive — performative posts get called out
Tue, March 17
St Patrick's Day
#StPatricksDay
Fri, March 20
International Day of Happiness
#IntlDayOfHappiness
Wed, April 1
April Fools' Day
#AprilFools
Brand pranks — handle with care
Wed, April 22
Earth Day
#EarthDay
Sustainability tie-in
Mon, May 4
Star Wars Day
#MayThe4thBeWithYou
Sun, May 10
Mother's Day (US)
#MothersDay
Fri, June 5
World Environment Day
#WorldEnvironmentDay
Mon, June 8
World Oceans Day
#WorldOceansDay
Sun, June 21
Father's Day
#FathersDay
Sat, July 4
US Independence Day
#IndependenceDay
Thu, July 30
International Day of Friendship
#FriendshipDay
Sat, August 8
International Cat Day
#InternationalCatDay
Cat content always performs
Wed, August 26
National Dog Day
#NationalDogDay
Mon, September 21
International Day of Peace
#PeaceDay
Sun, October 4
World Animal Day
#WorldAnimalDay
Sat, October 10
World Mental Health Day
#WorldMentalHealthDay
Be substantive, not performative
Sat, October 31
Halloween
#Halloween2026
Fri, November 13
World Kindness Day
#WorldKindnessDay
Thu, November 19
International Men's Day
#IntlMensDay
Thu, November 26
Thanksgiving (US)
#Thanksgiving
Fri, November 27
Black Friday
#BlackFriday
Sale-day giant
Mon, November 30
Cyber Monday
#CyberMonday
Tue, December 1
Giving Tuesday
#GivingTuesday
Charity tie-in
Fri, December 4
National Cookie Day
#NationalCookieDay
Food content
Fri, December 25
Christmas Day
#ChristmasDay
Thu, December 31
New Year's Eve
#NYE2026
Year-end recaps
About this tool
Different from the ecommerce holiday calendar, this lists social-media-moment days (#NationalDonutDay etc) with platform-appropriate hashtag suggestions.
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