Important and commemorative days
January
- Tamil Heritage Month
- January 8
 National Day of Remembrance for Victims of Air Disasters
- January 11
 Sir John A. Macdonald Day
- January 17
 Raoul Wallenberg Day
- January 21
 Lincoln Alexander Day
- January 24
 World Day for African and Afrodescendant Culture
- January  27
 International Holocaust Remembrance Day
- January 29
 National Day of Remembrance of the Quebec City Mosque Attack and Action Against Islamophobia
February
- Black History Month
- February 15
 National Flag of Canada Day
- February 21
 International Mother Language Day
March
- Irish Heritage Month
- March 8
 International Women's Day
- March 11
 National Day of Observance for COVID-19
- March 14
 Commonwealth Day
- March 15
 International Day to Combat Islamophobia
- March 21
 International Day for the Elimination of Racial Discrimination
- March 31
 International Transgender Day of Visibility
- March 31
 National Indigenous Languages Day
April
- Sikh Heritage Month
- Genocide Remembrance, Condemnation and Prevention Month
- April 9
 Anniversary of the Battle of Vimy Ridge
- Second Wednesday of April
 International Day of Pink
- In April or May (depending on the year)
 Yom HaShoah (Holocaust Remembrance Day)
May
- Asian Heritage Month
- Canadian Jewish Heritage Month
- Polish Heritage Month
- May 5
 Dutch Heritage Day
- May 17
 International Day Against Homophobia, Transphobia, and Biphobia
- May 24
 Victoria Day
- Starting the last Sunday of May
 National Accessibility Week
June
- National Indigenous History Month
- Italian Heritage Month
- Filipino Heritage Month
- Portuguese Heritage Month
- Launch of Pride Season
- June 21
 National Indigenous Peoples Day
- June 23
 National Day of Remembrance for Victims of Terrorism
- June 24
 Saint-Jean-Baptiste Day
- June 27
 Canadian Multiculturalism Day
July
- July 1
 Canada Day
- July 28
 Day of Commemoration of the Great Upheaval
August
- August 1
 Emancipation Day
- August 15
 National Acadian Day
- Third week of August
 Public Service Pride Week
September
- Second week of September
 Mennonite Heritage Week
- Fourth week of September
 Gender Equality Week
- September 28
 British Home Child Day
- September 30
 National Day for Truth and Reconciliation
October
- German Heritage Month
- Canadian Islamic History Month
- Latin American Heritage Month
- Women's History Month
- October 1
 National Seniors Day
- October 11
 International Day of the Girl Child
- October 18
 Persons Day
November
- Hindu Heritage Month
- Lebanese Heritage Month
- November 5 - 11
 Veterans' Week
- November 8
 Indigenous Veterans Day
- November 11
 Remembrance Day
- November 20
 National Child Day
 Transgender Day of Remembrance
- Fourth Saturday of November
 Holodomor Memorial Day
- November 25 - December 10
 16 Days of Activism Against Gender Violence
December
- December 3
 International Day of Persons with Disabilities
- December 6
 National Day of Remembrance and Action on Violence Against Women
- December 10
 Human Rights Day
- December 11
 Anniversary of the Statute of Westminster