The Most Reverend William Terrence McGrattan will be installed as Bishop of the Diocese of Calgary in St. Mary’s Cathedral, Calgary, on 27 February 2017 at 7:30 p.m. (Mountain Time). The Most Reverend Frederick B. Henry, Bishop Emeritus of Calgary, will preside. The Most Reverend Luigi Bonazzi, Apostolic Nuncio to Canada, will be present, participating with other Bishops from across Canada. At the time of his appointment by Pope Francis on 4 January 2017 as Bishop of Calgary, Bishop McGrattan was then Bishop of the Diocese of Peterborough. Bishop Henry was Bishop of Calgary for the past 19 years. The celebration will be broadcast live on the website of the Diocese, as well as on Salt + Light Television at 9:30 p.m. (Eastern Time).