Pope Leo XIV's inaugural mass will be held in St. Peter's Square on May 18 at 10 a.m. local time (8:00 GMT).
The conclave in the Vatican elected Cardinal Robert Francis Prevost as the 267th pope on May 8. He took the name Leo XIV, becoming the first US-born pope in history.
Pope Francis died on April 21 at the age of 89 as a result of a stroke. On April 26, in accordance with his will, he was buried in the Roman basilica of Santa Maria Maggiore.