Considered a mystic, St. Faustina Kowalska spread the message of divine mercy in her personal journal called “Divine Mercy in My Soul.”
Divine Mercy Sunday is celebrated the first Sunday after Easter. As the popularity of the day has grown, more
churches are using the day to remind parishioners about the power of mercy, confession and forgiveness.
St. Faustina’s message reverberated in St. John Paul II’s heart. During the homily for her canonization on April 30, 2000, the pope declared Divine Mercy Sunday to be celebrated worldwide.