On Sunday morning, May 18, a Mass for the beginning of the pontificate of Pope Leo XIV will take place in St. Peter's Square at the Vatican. Although the Mass is no longer described as an "enthronement,

Here’s what we know so far about Pope Leo’s inauguration Mass. The inauguration Mass is due to take place on Sunday, May 18, at 10 a.m. local time at St. Peter’s Square.

Pope Leo XIV will formally begin his ministry as bishop of Rome with a liturgy steeped in tradition and rich in symbolism May 18.