April 15, 2024
Day of Mourning for Persons Killed or Injured in the Workplace (Workers' Mourning Day)
As per the Rules for Half-masting the National Flag of Canada (Section 11), the flags on the Peace Tower in Ottawa and on all Government of Canada buildings and establishments across Canada will be flown at half-mast from sunrise to sunset on Sunday, April 28, 2024, to mark this day of mourning.
State Ceremonial and Protocol
Department of Canadian Heritage, Government of Canada