2026
January
- January 6 - Three Kings Day
- January 7 - Orthodox Christmas
- January 19 - MLK Day
- January 27 - International Holocaust Remembrance Day
February
- February 1 to February 28 - Black History Month
- February 3 - National Women Physicians Day
- February 17 - Lunar New Year
- February 17 to March 19 - Ramadan
- February 18 - Ash Wednesday
March
- March 1 to March 31 - Irish American Heritage Month
- March 1 to March 31 - Women’s History Month
- March 4 - Holi
- March 8 - International Women’s Day
- March 16 - Laylat Al Qadr
- March 19 to March 20 - Eid Al Fitr
- March 20 - Nowruz
- March 20 - Ostara
- March 31 - Transgender Day of Visibility
April
- 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 and Prevention Month
- April 1 to April 30 - Minority Health Awareness Month
- April 1 to April 9 - Passover
- April 3 - Good Friday
- April 5 - Easter
- April 12 - Orthodox Easter
- April 14 - Vaisakhi
- April 14 - Donate a Book Day
May
- 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 1 - Vesak
- May 21 - World Day for Cultural Diversity
- May 26 to May 27 - Eid Al Adha
June
- June 1 to June 30 - Immigrant Heritage Month
- June 1 to June 30 - Pride Month
- June 19 - Juneteenth
- June 20 to June 22 - Litha
- June 25 to June 26 - Ashura
July
- July 1 to July 31 - Disability Pride Month
- July 1 to July 31 - Minority Mental Health Awareness Month
- July 29 - Dharma Day
August
- August 13 to August 16 - Obon
- August 26 - Women’s Equality Day
September
- September 1 to September 30 - Self-Care Awareness Month
- September 11 to September 13 - Rosh Hashanah
- September 15 to October 15 - Hispanic Heritage Month
- September 20 to September 21 - Yom Kippur
October
- October 1 to October 31 - Disability Employment Awareness Month
- October 1 to October 31 - LGBTQ+ History Month
- October 1 to October 31 - Polish American Heritage Month
- October 6 to October 13 - Sukkot
- October 12 - Indigenous Peoples Day
- October 20 - Dussehra
- October 21 - International Pronouns Day
- October 31 to November 1 - Samhain
November
- November 1 to November 31 - Native American Heritage Month
- November 1 to November 2 - Dia de los Muertos
- November 6 to November 10 - Diwali
- November 11 - Veteran’s Day
- November 13 to November 19 - Transgender Awareness Week
- November 20 - Transgender Day of Remembrance
December
- December 3 - International Day of Persons with Disabilities
- December 4 to December 12 - Hanukkah
- December 21 to January 1 - Yule Winter Solstice
- December 25 - Christmas Day
- December 26 to January 1 - Kwanzaa