Saint Faustina received revelations from Our Lord and spread the Divine Mercy devotion. It teaches Catholics to pray for Jesus’ mercy, to be merciful, and to trust in Jesus completely. The Divine Mercy chaplet is traditionally prayed on Fridays and at 3:00 p.m. Divine Mercy Sunday is celebrated the first Sunday after Easter. Please see our How to Pray the Divine Mercy page for more on this devotion. Divine Mercy has grown to be a popular and beloved devotion of the Catholic Church.