January 2023
Month-long observances:National Mentoring Month
Poverty in America Awareness Month
Slavery and Human Trafficking Awareness Month
Important DE&I calendar dates:
January 1 – New Year’s Day
January 4 – National Braille Day
January 6 – Coptic Orthodox Christmas
January 7 – Mahayana New Year (Buddhist)
January 13 – Maghi (Sikh)
January 15 – World Religion Day
January 16 – Martin Luther King, Jr. Day
January 22 — Chinese New Year (Year of the Rabbit)
January 24 – International Day of Education
January 26 – International Customs Day
January 27 – International Holocaust Remembrance Day
February 2023
Month-long observances:
American Heart Month
Black History Month
Important DE&I calendar dates:
February 1 – National Freedom Day
February 4 — Rosa Parks Day
February 8 — Safer Internet Day
February 11 – International Day of Women & Girls in Science
February 13 – International Epilepsy Day
February 14 – Valentine’s Day
February 15 – Nirvana Day (Buddhist)
February 15 – International Childhood Cancer Day
February 18 – Maha Shivarati (Hindu)
February 20 – World Day of Social Justice
February 20 – Family Day (Canada)
February 21 – Mardi Gras
February 22 – Ash Wednesday
March 2023
Month-long observances:
Developmental Disabilities Awareness Month
Ethnic Equality Month
Gender Equality Month
Greek-American Heritage Month
Irish-American Heritage Month
National Colon Cancer Awareness Month
National Kidney Month
National Multiple Sclerosis Awareness and Education Month
National Women’s History Month
Important DE&I calendar dates:
March 3 – Employee Appreciation Day
March 6 – Purim (Jewish)
March 8 – International Women’s Day
March 8 – Holi (Hindu)
March 14 – Pi π Day
March 15 – Equal Pay Day
March 17 – St. Patrick’s Day
March 21 – World Down Syndrome Day
March 21 – Persian New Year (Nowruz)
March 23 – Ramadan begins (Islam)
March 23 – International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
March 31 – International Transgender Day of Visibility
April 2023
Month-long observances:
Arab-American Heritage Month
Autism Awareness Month
Celebrate Diversity Month
Earth Month
National Child Abuse Prevention Month
National Volunteer Month
Important DE&I calendar dates:
April 2 – World Autism Awareness Day
April 2 – Palm Sunday (Christian)
April 5 – Passover begins (Jewish)
April 7 – Good Friday (Christian)
April 14 – National Day of Silence (LGBTQ+)
April 9/10 – Easter (Christian)
April 13 – Passover ends
April 17 – Laylat al-Qadr (Muslim)
April 18 – Yom Hashoah (Jewish)
April 20 – Start of Ridvan (Baha’i)
April 21 – Eid-al-Fitr/End of Ramadan (Muslim)
April 22 – Earth Day
May 2023
Month-long observances:
ALS Awareness Month
Haitian Heritage Month
Indian Heritage Month
Jewish-American Heritage Month
Mental Health Month
National Asian American and South Pacific Islander Heritage Month
Older Americans Month
South Asian American Heritage Month
Important DE&I calendar dates:
May 5 – Cinco de Mayo
May 17 – International Day Against Homophobia, Transphobia and Biphobia
May 21 – World Day for Cultural Diversity for Dialogue and Development
May 22 – Victoria Day (Canada)
May 23 – Declaration of the Bab (Baha’i)
May 29 – Ascension of Baha’u’llah (Baha’i)
May 29 – Memorial Day
June 2023
Month-long observances:
Alzheimer’s and Brain Awareness Month
Black Music Month
National Caribbean American Heritage Month
Pride Month (LGBTQ+)
Important DE&I calendar dates:
June 5 – World Environment Day
June 11 — Race Unity Day
June 12 – Loving Day
June 19 – Juneteenth
June 20 – World Refugee Day
June 21 – National Indigenous Peoples Day (Canada)
June 21 – Litha, Summer Solstice (Pagan)
June 24 St-Jean-Baptiste Day (Quebec)
June 28– Eid al-Adha (Muslim)
June Pride Day (LGBTQ+) (varies by city and country)
July 2023
Month-long observances:
French-American Heritage Month
Important DE&I calendar dates:
July 1 – Canada Day (Canada)
July 4 – Independence Day (USA)
July 9 – Martyrdom of the Bab (Baha’i)
July 11 – World Populace Day
July 14 – Bastille Day
July 18 – International Nelson Mandela Day
July 19 – Muharram Islamic New Year
July 24 – Pioneer Day (Mormon)
July 26 – National Disability Independence Day (commemorates the signing of the Americans With Disabilities Act)
July 30 – International Day of Friendship
August 2023
Month-long observances:
National Civility Month
Important DE&I calendar dates:
August 7 – Purple Heart Day
August 9 – International Day of the World’s Indigenous People
August 13 – Left-Handers Day
August 17 – Marcus Garvey Day (Jamaican)
September 6-7 – Krishna Janmashtami (Hindu)
August 19 – World Humanitarian Day
August 21 – Senior Citizens Day
August 22 – American Business Women’s Day
August 26 – Women’s Equality Day
September 2023
Month-long observances:
Hispanic Heritage Month
National Guide Dog Month
Suicide Prevention Month
Important DE&I calendar dates:
September 4 – Labor Day
September 5 – International Day of Charity
September 11 – Patriot Day (U.S.A.)
September 15 – International Day of Democracy
September 15 – Rosh Hashanah begins (Jewish)
September 16 – Mexican Independence Day
September 21 – International Day of Peace
September 21 – World Gratitude Day
September 22 – National Native American Day
September 24 – Yom Kippur (Jewish)
September 29 – Sukkot (Jewish)
September 30 – National Day for Truth & Reconciliation (Canada)
October 2023
Month-long observances:
Breast Cancer Awareness Month
Bullying Prevention Month
Domestic Violence Awareness Month
Filipino-American Heritage Month
German-American Heritage Month
Italian-American Heritage Month
LGBTQ History Month
National Work and Family Month
Polish-American Heritage Month
Family History Month
Important DE&I calendar dates:
October 2 – International Day of Nonviolence
October 9 – National Indigenous Peoples’ Day (United States)
October 10 – Thanksgiving Day (Canada)
October 10 – World Mental Health Day
October 11 – National Coming Out Day (LGBTQ+)
October 12 – World Sight Day
October 15 – Navrati begins (Hindu)
October 16 – Birth of the Bab (Baha’i)
October 16 – Waste Reduction Week
October 16 – Bosses’ Day
October 19 – Spirit Day (LGBTQ+ anti-bullying)
October 20 – Sikh Holy Day (birth of Guru Granth)
October 22 – International Stuttering Awareness Day
October 25 – Birth of Baha’u’llah (Baha’i)
October 31 – Halloween
November 2023
Month-long observances:
Diabetes Awareness Month
Movember (awareness of men’s health issues, such as prostate cancer)
National Native American, American Heritage Month
Important DE&I calendar dates:
November 1-2 – Dia de Muertos
November 1 – All Saints’ Day (Roman Catholic)
November 1 – National Stress Awareness Day
November 2 – All Souls’ Day
November 9 – Diwali (Hindu)
November 9 – World Freedom Day
November 9 – World Adoption Day
November 11 – Remembrance/Veterans Day
November 13 – World Kindness Day
November 16 – International Day for Tolerance
November 19 – International Men’s Day
November 20 – Transgender Day of Remembrance
November 20 – Universal Children’s Day (Human Rights, U.N.)
November 23 – Thanksgiving
November 25 – Day of the Covenant (Baha’i)
November 27 – Ascension of Abdu’l-Baha (Baha’i)
December 2023
Month-long observances:
HIV/AIDS Awareness Month
Universal Human Rights Month
Important DE&I calendar dates:
December 1 – World AIDS Day
December 3 – International Day for People with Disabilities
December 5 – International Volunteer Day
December 7 – Hanukkah begins at sunset (Jewish)
December 9 – International Genocide Prevention Day
December 10 – International Human Rights Day
December 8 – Hanukkah begins at sunset (Jewish)
December 21 – Yule Winter Solstice (Pagan)
December 25 – Christmas (Christian)
December 26 – Kwanzaa week (Celebration of African Customs & Cultures)
December 26 – Boxing Day
December 31 – New Year’s Eve