Day of Mourning for Workers Killed or Injured on the Job Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: April 28, 2021 all-day 2021-04-28T00:00:00-07:00 2021-04-29T00:00:00-07:00 View the CUPE National Presidents letter here. View the Day of Mourning poster here.