The Catholic Veritas on Instagram: "📖 How the Divine Mercy Chaplet Began In the 1930s, Jesus appeared to a humble Polish nun, St. Faustina Kowalska, revealing His desire to pour out His mercy on the world. He gave her a powerful prayer — the Divine Mercy Chaplet — and asked that it be prayed especially at 3PM, the hour of His death on the Cross. Jesus told her: “Through this chaplet, you will obtain everything, if what you ask for is compatible with My will.” Her journal became The Diary of St.