Diversity and Inclusion Calendar 2025: Key Dates to Celebrate and Foster Inclusion

When we take a look at the workplace today, the focus on diversity, equity, and inclusion (DEI) has become an absolute necessity. Why? Because when employees feel seen, respected, and valued, they thrive, as do the organizations they work for.

That is why it’s important to celebrate the cultural, social, and historical differences and milestones of your people with diverse backgrounds. This is where a DEI calendar comes into the picture.

A DEI calendar is more than a tool; it’s a roadmap to building an inclusive company culture where everyone belongs. It highlights key dates, such as cultural festivals, awareness days, and heritage months, providing opportunities to educate, connect, and foster inclusivity.

In this blog, we’ll take you through key dates for 2025, along with actionable ideas to integrate these celebrations into your workplace.

January DEI Calendar

New Year’s Day (January 1st)

A globally recognized public holiday that marks the beginning of the year, symbolizing new beginnings and opportunities for reflection.

World Braille Day (January 4th)

Celebrates the importance of Braille as a means of communication for blind and partially sighted individuals, highlighting the need for accessible solutions.

Martin Luther King Jr. Day (3rd Monday of January - January 20th, 2025)

A U.S. federal holiday honoring the legacy of Martin Luther King Jr. and his contributions to civil rights and equality.

International Holocaust Remembrance Day (January 27th)

A day to honor the memory of Holocaust victims and reaffirm the importance of combating antisemitism and hate.

Lunar New Year (January 29th, 2025)

Also known as Chinese New Year, this event marks the start of the lunar calendar year and is celebrated by East Asian communities worldwide.

How to Celebrate in the Workplace:

• Host a lunch-and-learn session to educate employees on the significance of these events, particularly Martin Luther King Jr. Day and International Holocaust Remembrance Day.
• Share resources such as articles, videos, or personal stories about the impact of accessibility (World Braille Day) and cultural celebrations (Lunar New Year).
• Create a virtual bulletin board to showcase how employees from different backgrounds celebrate New Year’s traditions.

February DEI Calendar

Black History Month (Entire Month)

Recognized in the United States and Canada, this month honors the contributions and achievements of Black individuals throughout history.

National Freedom Day (February 1st)

A U.S. observance marking the signing of the 13th Amendment, which abolished slavery, serving as a reminder of freedom and equality.

International Day of Women and Girls in Science (February 11th)

A United Nations observance promoting gender equality in science and highlighting the achievements of women in STEM fields.

Valentine’s Day (February 14th)

While traditionally associated with romantic love, this day can also serve as a reminder to practice kindness and appreciation in all relationships.

Random Acts of Kindness Week (February 14th – 20th, 2025)

An initiative encouraging individuals to spread kindness and positivity, creating a ripple effect of goodwill.

Family Day (Canada) (February 17th, 2025)

A public holiday dedicated to spending time with family, celebrated in several Canadian provinces.

National Cancer Prevention Month (Entire Month)

Recognized in the United States, this month focuses on raising awareness and promoting strategies for cancer prevention.

How to Celebrate in the Workplace:

• Highlight Black History Month by featuring stories of Black pioneers in newsletters or hosting guest speakers to discuss historical and modern achievements.
• Organize a STEM workshop or webinar to inspire employees, particularly women, to explore innovation and science-related fields (International Day of Women and Girls in Science).
• Encourage acts of kindness within teams by initiating gratitude challenges or setting up a space for employees to write anonymous notes of appreciation.
• Share resources on health and wellness in alignment with National Cancer Prevention Month, such as hosting a webinar on preventive care or sharing tips through email campaigns.

March DEI Calendar

Women’s History Month (Entire Month)

Recognized in the United States, this month honors the contributions of women throughout history.

International Women’s Day (March 8th)

International Women’s Day is a global celebration of women’s achievements and a call to action for gender equality.

Holi (March 13th – 14th, 2025)

Known as the Hindu Festival of Colors, Holi signifies the arrival of spring and the triumph of good over evil.

Purim (March 14th, 2025)

A Jewish holiday commemorating the saving of the Jewish people from Haman, as recounted in the Book of Esther.

International Transgender Day of Visibility (March 31st)

A day dedicated to celebrating transgender individuals and raising awareness of the discrimination they face.

How to Celebrate in the Workplace:

• Host a panel discussion or webinar featuring women leaders to celebrate Women’s History Month and International Women’s Day.
• Organize a Holi-themed event or virtual gathering to embrace its spirit of joy and inclusion.
• Share educational content about Purim and encourage employees to learn about its significance.
• Use internal communication channels to spotlight transgender voices and stories, fostering understanding and support.

April DEI Calendar

Autism Awareness Month (Entire Month)

Recognized in the United States to promote understanding, acceptance, and support for individuals with autism.

Sexual Assault Awareness Month (Entire Month)

A U.S. observance aimed at raising public awareness about sexual violence and supporting prevention efforts.

Related: Women's Safety at Workplace

Earth Day (April 22nd)

An international day dedicated to environmental protection and sustainability, encouraging communities to take action for the planet.

Passover (April 12th – 20th, 2025)

A significant Jewish holiday commemorating the liberation of the Israelites from slavery in Egypt.

Easter Sunday (April 20th, 2025)

A major Christian celebration of the resurrection of Jesus Christ, observed globally.

Parkinson’s Disease Awareness Month (Entire Month)

Focused on raising awareness about Parkinson’s disease and advocating for research and support.

How to Celebrate in the Workplace:

• Organize educational sessions or invite guest speakers to discuss autism and the importance of inclusion.
• Create an internal campaign around sexual assault awareness, providing resources and encouraging a culture of safety and support.
• Host an Earth Day volunteer activity, such as a tree-planting drive or community clean-up.
• Share stories and recipes from employees celebrating Passover and Easter to foster cultural understanding.
• Promote wellness initiatives in alignment with Parkinson’s Disease Awareness Month, such as mindfulness workshops or fitness challenges.

May DEI Calendar

Asian American and Pacific Islander Heritage Month (Entire Month)

Celebrates the contributions and cultures of Asian Americans and Pacific Islanders in the United States.

Jewish American Heritage Month (Entire Month)

Recognizes the achievements and heritage of Jewish Americans and their impact on society.

Mental Health Awareness Month (Entire Month)

Aimed at promoting mental well-being and reducing the stigma surrounding mental health issues.

Mother’s Day (May 11th, 2025)

Celebrated on the second Sunday of May in the United States, honoring mothers and maternal figures.

International Day Against Homophobia, Transphobia, and Biphobia (May 17th)

Raises awareness about the discrimination faced by the LGBTQ+ community and advocates for equal rights.

How to Celebrate in the Workplace:

• Highlight stories and achievements of Asian American, Pacific Islander, and Jewish employees through newsletters or events.
• Celebrate Mother’s Day by sharing stories or hosting a family-friendly event to honor working mothers.
• Organize a panel discussion or awareness campaign to mark the International Day Against Homophobia, Transphobia, and Biphobia, promoting allyship and understanding.
• Offer mental health workshops or provide access to resources like counselling to support Mental Health Awareness Month.

June DEI Calendar

Pride Month (Entire Month)

Recognized worldwide, June celebrates the LGBTQ+ community and commemorates the Stonewall Riots, which marked a pivotal moment in the fight for LGBTQ+ rights.

Juneteenth (June 19th)

A U.S. federal holiday commemorating the emancipation of enslaved African Americans and celebrating African American culture and achievements.

Immigrant Heritage Month (Entire Month)

Celebrates the contributions of immigrants to society and acknowledges their resilience and diversity.

Caribbean American Heritage Month (Entire Month)

Highlights the contributions of Caribbean Americans and their influence on American culture, history, and achievements.

How to Celebrate in the Workplace:

• Organize Pride Month events, such as workshops on allyship, LGBTQ+ history panels, or rainbow-themed office decor.
• Host a Juneteenth celebration or discussion to explore its significance and amplify Black voices within your organization.
• Share immigrant and Caribbean heritage stories through newsletters or team meetings, emphasizing their contributions to society.
• Partner with local organizations to support Pride Month or Juneteenth community initiatives, showcasing your commitment to inclusion.

July DEI Calendar

Canada Day (July 1st)

A celebration of Canada’s confederation in 1867, highlighting Canadian heritage and pride.

Independence Day (USA) (July 4th)

A federal holiday commemorating the adoption of the Declaration of Independence in 1776, celebrating freedom and national pride.

Disability Pride Month (Entire Month)

Promotes visibility, awareness, and empowerment for people with disabilities, fostering understanding and inclusion.

International Day of Friendship (July 30th)

A UN-proclaimed day to promote peace, friendship, and connections across cultures.

How to Celebrate in the Workplace:

• Organize discussions or workshops around Disability Pride Month to foster awareness and explore accessibility initiatives within your organization.
• Host themed celebrations for Canada Day and Independence Day to highlight cultural traditions and histories.
• Encourage employees to participate in activities promoting collaboration and camaraderie during the International Day of Friendship.
• Share stories of individuals overcoming challenges and excelling in their fields to inspire inclusion and resilience.

August DEI Calendar

International Day of the World’s Indigenous Peoples (August 9th)

A United Nations observance to raise awareness about the rights and contributions of Indigenous populations worldwide.

Women’s Equality Day (August 26th)

A U.S. observance commemorating the adoption of the 19th Amendment, which granted women the right to vote.

How to Celebrate in the Workplace:

• Host an educational session on the history and significance of Women’s Equality Day, emphasizing the ongoing fight for gender equality.
• Organize a cultural awareness event featuring Indigenous speakers, artists, or performers to celebrate their heritage.
• Share resources and stories highlighting the contributions of women and Indigenous communities to foster understanding and respect.

September DEI Calendar

Labor Day (September 1st, 2025)

A U.S. federal holiday observed on the first Monday of September to honor the American labor movement and the contributions of workers.

Hispanic Heritage Month (September 15th – October 15th)

Celebrates the histories, cultures, and contributions of American citizens whose ancestors came from Spain, Mexico, the Caribbean, and Central and South America.

Rosh Hashanah (September 22rd – 24th, 2025)

The Jewish New Year, a time of reflection and renewal.

International Day of Peace (September 21st)

A United Nations observance promoting peace among nations and communities.

How to Celebrate in the Workplace:

• Highlight Hispanic Heritage Month with cultural showcases, including food, music, and storytelling from employees of Hispanic descent.
• Host a Labor Day-themed event to recognize and appreciate the contributions of your team members.
• Share resources and host discussions about the significance of Rosh Hashanah and its traditions.
• Organize a workplace initiative aligned with the International Day of Peace, such as a volunteer event or peace-themed workshop.

October DEI Calendar

LGBTQ+ History Month (Entire Month)

Celebrated in the United States to honor the history and achievements of the LGBTQ+ community.

Indigenous Peoples' Day (October 13th, 2025)

Observed on the second Monday of October in many parts of the United States, honoring the history and contributions of Indigenous peoples.

National Disability Employment Awareness Month (Entire Month)

Raises awareness about disability employment issues and celebrates the contributions of workers with disabilities.

Italian-American Heritage and Culture Month (Entire Month)

Celebrates the contributions and heritage of Italian-Americans.

National Bullying Prevention Month (Entire Month)

A campaign to unite communities nationwide to educate and raise awareness of bullying prevention.

Breast Cancer Awareness Month (Entire Month)

An annual campaign to increase awareness of breast cancer, promote early detection, and support research.

How to Celebrate in the Workplace:

• Organize LGBTQ+ history events or webinars to educate employees about significant milestones and contributions of the community.
• Host a panel discussion with Indigenous leaders to honor Indigenous Peoples' Day and explore their cultural impact.
• Launch an internal campaign during Breast Cancer Awareness Month to encourage early screenings and share survivor stories.
• Create initiatives to address workplace bullying in alignment with National Bullying Prevention Month.

November DEI Calendar

Native American Heritage Month (Entire Month)

Recognized in the United States to honor the history, culture, and contributions of Native American peoples.

Veterans Day (November 11th)

A U.S. federal holiday honoring military veterans who have served in the United States Armed Forces.

Thanksgiving (November 27th, 2025)

A national holiday in the United States celebrated on the fourth Thursday of November, commemorating the harvest and other blessings of the past year.

Transgender Awareness Week (Week before Thanksgiving)

A week to raise the visibility of transgender people and address issues members of the community face.

How to Celebrate in the Workplace:

• Celebrate Native American Heritage Month by sharing stories and cultural insights from Native employees or leaders.
• Host a recognition event for Veterans Day to honor and thank veteran employees for their service.
• Share educational resources and events during Transgender Awareness Week to promote understanding and allyship.
• Encourage teams to reflect on gratitude and appreciation during Thanksgiving celebrations at work.

December DEI Calendar

World AIDS Day (December 1st)

An international day dedicated to raising awareness of the AIDS pandemic and mourning those who have died from the disease.

International Day of Persons with Disabilities (December 3rd)

A United Nations observance promoting the rights and well-being of persons with disabilities.

Human Rights Day (December 10th)

Commemorates the adoption of the Universal Declaration of Human Rights by the United Nations General Assembly in 1948.

Hanukkah (Jewish Festival of Lights) (December 14th – 22nd, 2025)

An eight-day Jewish festival commemorating the rededication of the Second Temple in Jerusalem.

Kwanzaa (December 26th – January 1st, 2026)

An annual celebration honoring African-American culture and heritage.

Christmas Day (December 25th)

A Christian holiday celebrating the birth of Jesus Christ, widely observed as a cultural holiday worldwide.

Related: Perfect Christmas Gifts for Employees

New Year's Eve (December 31st)

The final day of the Gregorian calendar year, often celebrated with gatherings and festivities to welcome the new year.

How to Celebrate in the Workplace:

• Share information and stories about Hanukkah, Kwanzaa, and Christmas to highlight their cultural and spiritual significance.
• Host events or fundraisers on World AIDS Day to raise awareness and support those impacted by HIV/AIDS.
• Promote inclusivity by recognizing International Day of Persons with Disabilities and encouraging accessibility initiatives.
• Organize a Human Rights Day activity, such as a panel discussion or volunteering event, to emphasize workplace equity and fairness.

Final Thoughts

By incorporating this DEI calendar into your workplace, you can create an environment where diversity, equity, and inclusion are celebrated year-round. These moments of recognition not only raise awareness but also foster a more inclusive culture that empowers all employees.

Use this DEI calendar to guide your efforts in building a workplace that truly values and respects diversity. Start planning now, and make 2025 a year of meaningful inclusion!

This article is written by Nilotpal M Saharia, a Senior Content Marketing Specialist and R&R Evangelist at Vantage Circle. With a Master's in Business Administration and over seven years of experience, he has developed expertise in diverse fields, including marketing, content creation, entrepreneurship, and human resources.

In addition to being a regular contributor at Vantage Circle, Nilotpal's work has also been featured on Select Software Reviews.

For any related queries, contact editor@vantagecircle.com