Divine Mercy Sunday is a religious observance celebrated mostly among Catholics on the second Sunday of Easter. This day serves as a significant time for reflection on the Christian faith, focusing on the mercy and love that Christ offered to humanity following his crucifixion. It is rooted in the visions of St. Faustina Kowalska, a Polish nun who communicated with Jesus and emphasized his desire to be a refuge for all souls, particularly for sinners. The observance encourages individuals to seek God’s mercy, love, and forgiveness, fostering a spirit of reconciliation. Activities typically include prayer, reflection, and communal worship, as participants humble themselves before God and ask for his grace. Divine Mercy Sunday concludes the Easter celebrations, marking an important moment for believers to acknowledge and reciprocate the mercy they receive.