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250+ Hashtags and Days of Observance for Your 2023 Social Media Calendar


As a content marketer on social media, it’s imperative that you effectively communicate a brand mission, brand voice, and tone through social media content. Beyond content creation, it’s also essential to integrate content with relevant conversations that are already happening on social media. Of course, there are trending topics that can assist you in staying aligned with the things that matter to your audience. However, that content is often in real-time, keeping you reactive to content creation and constantly chasing the trends.


As you dabble in the fun of trending topics, also consider researching, planning, and implementing content that aligns with the things that matter most to your ideal audience. You can do this with socially relevant holidays and days of observance that connect your brand to conversations on social media that amplify your profile's visibility.


Social media management consists of two critical components: strategy and execution. Participating in trending topics falls under execution while preparing and scheduling content for socially relevant holidays incorporates strategy in your proactive outreach.


Before diving into the 2023 daily days of observance, we’re also including monthly and weekly themes that can assist you in creating focused campaigns around timeframes that matter for your brand and audience.


Monthly themes build a hyper-focused approach to your days of observance in your messaging while joining in on a relevant topic on social media. While batch-planning your content, incorporate the monthly theme into your messaging and add the official hashtag to your list of hashtags for the month.


While monthly themes provide an opportunity for full integration into your content writing calendar, the weekly observances can help you formulate a more real-time, engaging approach that gives you more than a day of proactive community management and outreach.


Do you need help with your content marketing? Don’t stress about it! With ClearVoice, we assist our clients to connect with talented freelance professionals that bring your vision to life with time and high quality in mind. Contact our team to learn more, and happy planning!


{I love the monthly links at the top that help our readers skip to the respective month that they would like to review}.

January 2023 social media hashtags and holidays


Themes for the month of January:

Weeks of observance in January:

  • International World Braille Day Week: January 4 14

  • Martin Luther King’s celebration of Human Rights Week: January 16 20

January 2023 Hashtag calendar:

February 2023 social media hashtags and holidays


Themes for the month of February:

Weeks of observance in February:

  • Women’s Heart Week: February 1-7

  • International Networking Week: February 6-12

  • African Heritage & Health Week: February 7-13

  • National Entrepreneurship Week: February 11-18

  • American Association for The Advancement of Science Week: February 12-15

  • Freelance Writer Appreciation Week: February 12-18

  • Random Acts of Kindness Week: February 14-20

February 2023 Hashtag calendar:

March 2023 social media hashtags and holidays


Themes for the month of March:

Weeks of observance in March:

  • Food Waste Action Week: March 6-12

  • Shakespeare Week: March 20-26

March 2023 Hashtag calendar:

April 2023 social media hashtags and holidays


Themes for the month of April:

Weeks of observance in April:

  • Ramadan: March 22 – April 21

April 2023 Hashtag calendar:

May 2023 social media hashtags and holidays


Themes for the month of May:

Weeks of observance in May:

  • Mental Health Awareness Week: May 9 – 15

May 2023 Hashtag calendar:

June 2023 social media hashtags and holidays


Themes for the month of June:

Weeks of observance in June:

  • Eid al-Adha: June 28 – 30

June 2023 Hashtag calendar:

July 2023 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 9 –15

  • Captive Nations Week: July 16 – 22

July 2023 Hashtag calendar:

August 2023 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 Week: Aug 1–7

  • Twins Days: Aug 4–6

  • Be Kind To Humankind Week: Aug 25–31

August 2023 Hashtag calendar:

September 2023 social media hashtags and holidays


Themes for the month of September:

Weeks of observance in September:

  • Rosh Hashanah: September 15 – 17

  • Yom Kippur: September 24 - 25

September 2023 Hashtag calendar:

October 2023 social media hashtags and holidays


Themes for the month of October:

Weeks of observance in October:

  • Mental Illness Awareness Week: October 1 – 7

  • Sharad Navratri: October 15 – 24

October 2023 Hashtag calendar:

November 2023 social media hashtags and holidays


Themes for the month of November:

Weeks of observance in November:

  • Children's Book Week: November 7-13

  • World Kindness Week: November 14-20

  • Random Acts of Kindness Week: November 14-20

  • National Global Entrepreneurship Week: November 14-20

November 2023 Hashtag calendar:

December 2023 social media hashtags and holidays


Themes for the month of December:

Weeks of observance in December:

  • Human Rights Week: December 2-9

  • Hanukkah: December 7 – 15

  • Kwanzaa: December 26 – January 1

December 2023 Hashtag calendar:


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