Welcome to part three of our 2025 social media calendar series! This installment focuses on Q3 (July to September), packed with impactful observances, vibrant celebrations, and trending hashtags to elevate your social media content. From National Ice Cream Month (#IceCreamMonth) in July to National Hispanic Heritage Month (#HispanicHeritage) starting in September, these months offer rich opportunities to engage and inspire your audience. Dive into themes like Black Business Month (#SupportBlackBusiness), International Day of Friendship (#DayOfFriendship), and Labor Day (#LaborDay). Use this guide to craft creative campaigns, foster meaningful connections, and make your social media shine all summer long.
July 2025 social media hashtags and holidays
Themes for the month of July:
Weeks of observance in July:
Creative Maladjustment Week: July 7 –14
Operation Safe Driver Week: July 13–19
Captive Nations Week: July 16 – 22
July 2025 Hashtag calendar:
July 1 – National Postal Worker Day #NationalPostalWorkerDay
July 2 – World UFO Day #WorldUFODay
July 4 – Independence Day #July4th
July 7 – World Chocolate Day #WorldChocolateDay
July 11 – Cheer Up the Lonely Day #CheerUpTheLonelyDay
July 12 – Malala Day #MalalaDay
July 12 – National Simplicity Day – #NationalSimplicityDay
July 15 – Give Something Away Day #GiveSomethingAwayDay
July 17 – World Emoji Day #WorldEmojiDay
July 18 – Nelson Mandela International Day #MandelaDay2025
July 27 – National Grandparents Day #NationalGrandparentsDay
July 30 – International Day of Friendship #DayOfFriendship
August 2025 social media hashtags and holidays
Themes for the month of August:
Weeks of observance in August:
National Minority Donor Week: Aug 1–7
Single Working Women’s Day: Aug 4
Twins Days: Aug 2–4
Be Kind To Humankind Week: Aug 25–31
August 2025 Hashtag calendar:
August 1 – National Planner Day #PlannerDay
August 2 – National Coloring Book Day #NationalColoringBookDay
August 3 – American Family Day #AmericanFamilyDay
August 8 – International Cat Day #InternationalCatDay
August 9 – National Book Lovers Day #NationalBookLoversDay
August 11 – National Sons and Daughters Day #SonsAndDaughtersDay
August 12 – International Youth Day #YouthDay
August 12 – World Elephant Day #WorldElephantDay
August 13 – International Lefthanders Day #LefthandersDay
August 15 – National Relaxation Day #NationalRelaxationDay
August 16 – National Tell a Joke Day #NationalTellAJokeDay
August 19 – World Photo Day #WorldPhotoDay
August 19 – World Humanitarian Day #WorldHumanitarianDay
August 26 – National Dog Day #NationalDogDay
August 26 – National Women’s Equality Day #WomensEqualityDay
September 2025 social media hashtags and holidays
Themes for the month of September:
Weeks of observance in September:
Labor Day: September 1
Last Day of Summer: September 22
Rosh Hashanah: September 22 – 24
September 2025 Hashtag calendar:
September 1 – Labor Day #LaborDay
September 4 – National Wildlife Day #NationalWildLifeDay
September 5 – International Day of Charity #CharityDay
September 6 – Read a Book Day #ReadABookDay
September 8 – International Literacy Day #LiteracyDay
September 11 – National Day of Service and Remembrance #911Day
September 12 – Stand Up To Cancer Day #KissCancerGoodbye
September 12 – National Day of Encouragement #DayOfEncouragement
September 12 – National Video Games Day #NationalVideoGamesDay
September 14 – Live Creative Day #NationalLiveCreativeDay #LiveCreativeDay
September 15 – Online Learning Day #OnlineLearningDay
September 18 – Civic Day of Hacking #HackForChange
September 19 – Talk Like a Pirate Day #TalkLikeAPirateDay
September 21 – International Day of Peace #PeaceDay
September 21 – World Alzheimer’s Day #Alzheimer'sDay
September 21 – Miniature Golf Day #MiniGolfDay
September 22 – Car-Free Day #CarFreeDay
September 22 – Hobbit Day #HobbitDay
September 22 – First Day of Fall #1stDayOfFall
September 24 – National Women’s Health and Fitness Day #FitnessDay
September 26 – European Day of Languages #EDL2025
September 27 – World Tourism Day #WTD2025
September 28 – World Rabies Day #WorldRabiesDay
September 28 – National Good Neighbor Day #GoodNeighborDay
September 30 – International Podcast Day #InternationalPodcastDay
September 30 – National Love People Day #NationalLOVEPeopleDAY1
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