January 2023

Month-long observances:

  •  National Mentoring Month
  •  Poverty in America Awareness Month
  •  Slavery and Human Trafficking Awareness Month

Important D&I calendar dates:

  •  January 1 – New Year’s Day
  •  January 4 – National Braille Day
  •  January 7 – Christmas (Eastern Orthodox)
  •  January 13 – Maghi (Sikh)
  •  January 15 – World Religion Day
  •  January 16 – Martin Luther King, Jr. Day
  •  January 18 – Mahayana New Year (Buddhist)
  •  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:

  • Black History Month
  • American Heart Month 

Important D&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 20 – World Day of Social Justice
  •  February 21 – Mardi Gras
  •  February 22 – Ash Wednesday

March 2023

Month-long observances:

  •  National Women’s History Month
  •  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

Important D&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 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 D&I calendar dates:

  •   April 2 – World Autism Awareness Day
  •  April 2 – Palm Sunday (Christian)
  •  April 5/13 – Passover begins (Jewish)
  •  April 7 – Good Friday (Christian)
  •  April 14 – National Day of Silence (LGBTQ+)
  •  April 9/10 – Easter (Christian)
  •  April 21 – Eid-al-Fitr/End of Ramadan (Muslim)
  •  April 22 – Earth Day  

May 2023

Month-long observances:

  •  National Asian American and South Pacific Islander Heritage Month
  •  South Asian American Heritage Month
  •  ALS Awareness Month
  •  Haitian Heritage Month
  •  Indian Heritage Month
  •  Jewish-American Heritage Month
  •  Mental Health Month
  •  Older Americans Month

Important D&I calendar dates:

  •  May 1  – International Worker’s Day
  •  May 4 – National Skilled Union Day
  •  May 5 – Cinco de Mayo, Mexican victory over France, Battle of Puebla
  •  May 17 – International Day Against Homophobia, Transphobia and Biphobia
  •  May 21 – World Day for Cultural Diversity for Dialogue and Development
  •  May 29 – Memorial Day

June 2023

Month-long observances:

  •  Pride Month (LGBTQIAA+)
  •  National Caribbean American Heritage Month
  •  Alzheimer’s and Brain Awareness Month
  •  Black Music Month

Important D&I calendar dates:

  •  June 5 – World Environment Day
  •  June 11 — Race Unity Day
  •  June 12 – Loving Day
  •  June 19 – Juneteenth
  •  June 20 – National Indigenous Peoples Day (Canada)
  •  June 20 – World Refugee Day
  •  June 21 – Litha, Summer Solstice (Pagan)  
  •  June Pride Day (LGBTQ+) (varies by city and country)

July 2023

Month-long observances:

  •  French-American Heritage Month

Important D&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 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 D&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
  •  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 (Sep 15 – Oct 15)
  •  National Guide Dog Month
  •  Suicide Prevention Month

Important D&I calendar dates:

  •  September 4 – Labor Day
  •  September 5 – International Day of Charity
  •  September 6/7 – Krishna Janmashtami (Hindu)
  •  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)

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 D&I calendar dates:

  •  October 2 – International Day of Nonviolence
  •  October 9 – National Indigenous Peoples’ Day (United States)
  •  October 10 – World Mental Health Day
  •  October 11 – National Coming Out Day (LGBTQIAA+)
  •  October 12 – White Cane Safety Day (Blind awareness)
  •  October 16 – Bosses’ Day
  •  October 19 – Spirit Day (LGBTQIAA+ anti-bullying)
  •  October 20 – Sikh Holy Day (birth of Guru Granth)
  •  October 22 – International Stuttering Awareness Day
  •  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 Indian, and Alaskan Native Heritage Month

Important D&I calendar dates:

  •  November 1 – All Saints’ Day (Roman Catholic)
  •  November 1 – National Stress Awareness Day
  •  November 2 – Day of the Death
  •  November 9 – World Freedom Day
  •  November 9 – World Adoption Day
  •  November 11 – Veterans Day
  •  November 12 – Diwali (Hindu)
  •  November 13 – World Kindness Day
  •  November 16 – National 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

December 2023

Month-long observances:

  • HIV/AIDS Awareness Month
  • Universal Human Rights Month

Important D&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 – Genocide Prevention Day
  •  December 10 – International Human Rights Day
  •  December 21 – Yule Winter Solstice (Pagan)
  •  December 25 – Christmas (Christian)
  •  December 26 – Kwanzaa begins (Celebration of African Customs & Cultures)
  •  December 31 – New Year’s Eve