All Souls' Day, also known as the Commemoration of All the Faithful Departed and the Day of the Dead, is a day of prayer and remembrance for the souls of those who have died, which is observed by Catholics and other Christian denominations annually on November 2. All Souls' Day is often celebrated in Western Christianity; Saturday of Souls is a related tradition more frequently observed in Eastern Christianity. Practitioners of All Souls' Day traditions often remember deceased loved ones in various ways on the day.
Beliefs and practices associated with All Souls' Day vary widely among Christian denominations.