January 2024
- January 6 - Three Kings Day
- January 15 - MLK Day
- January 27 - International Holocaust Remembrance Day
February 2024
- February 1 to February 28 - Black History Month
- February 3 - National Women Physicians Day
- February 10 - Lunar New Year
- February 14 - Ash Wednesday
March 2024
- March 1 to March 31 - Women’s History Month
- March 1 to March 31 - National Irish American Heritage Month
- March 8 - International Women’s Day
- March 10 to April 9 - Ramadan
- March 19 - Nowruz
- March 20 - Ostara
- March 25 - Holi
- March 29 - Good Friday
- March 31 - Easter
- March 31 - Transgender Day of Visibility
April 2024
- April 1 to April 30 - Arab American Heritage Month
- April 1 to April 30 - Celebrate Diversity Month
- April 1 to April 30 - Deaf History Month
- April 1 to April 30 - Genocide Awareness Month
- April 1 to April 30 - National Minority Health Month
- April 6 - Laylat Al Qadr
- April 9 to April 10 - Eid Al Fitr
- April 13 to April 14 - Vaisakhi
- April 22 to April 30 - Passover
May 2024
- May 1 to May 31 - Asian Pacific American Heritage Month
- May 1 to May 31 - Jewish American Heritage Month
- May 1 to May 31 - Mental Health Awareness Month
- May 21 - World Day for Cultural Diversity
- May 23 - Vesak
June 2024
- June 1 to June 30 - Immigrant Heritage Month
- June 1 to June 30 - Pride Month
- June 16 - Eid Al Adha
- June 19 - Juneteenth
- June 21 - Litha
July 2024
- July 1 to July 31 - Disability Pride Month
- July 1 to July 31 - Minority Mental Health Awareness Month
- July 21 - Dharma Day
August 2024
- August 13 - Obon
- August 26 - Women’s Equality Day
September 2024
- September 15 to October 15 - National Hispanic Heritage Month
October 2024
- September 15 to October 15 - National Hispanic Heritage Month
- October 1 to October 31 - Disability Employment Awareness Month
- October 1 to October 31 - LGBTQ+ History Month
- October 1 - October 31 - Polish American Heritage Month
- October 2 to October 4 - Rosh Hashanah
- October 11 to October 12 - Yom Kippur
- October 12 - Dussehra
- October 14 - National Indigenous Peoples Day
- October 16 to October 23 - Sukkot
- October 19 - International Pronouns Day
- October 31 to November 1 - Samhain
- October 31 to November 4 - Diwali
November 2024
- November 1 to November 30 - National Native American Heritage Month
- November 1 to November 2 - Dia de los Muertos
- November 11 - Veteran’s Day
- November 13 to November 19 - Transgender Awareness Week
- November 20 - Transgender Day of Remembrance
December 2024
- December 3 - International Day of Persons with Disabilities
- December 21 to January 1 - Yule Winter Solstice
- December 25 - Christmas Day
- December 26 to January 1 - Kwanzaa
- December 26 to January 2 - Hanukkah