Transfiguration is a changing of appearance or form.

The Transfiguration is a miraculous event in the Synoptic Gospel accounts of Jesus (Mathew 17:1–6, Mark 9:1–8, Luke 9:28–36): Jesus led three of his apostles, Peter, John, and James, to pray at the top of a mountain, where he became transfigured, with his face shining like the sun, and with brilliant white clothes; Elijah and Moses appeared with Jesus, and talked with him, and then a bright cloud appeared overhead, and a voice from cloud proclaimed, "This is my Son, the Beloved. Listen to him." According to Luke, Moses and Elijah also appeared in "glorious splendor", and Jesus spoke with them concerning his upcoming death.

Moses and Elijah have been interpreted to represent the Law and the Prophets, respectively, recognizing and adoring Jesus, and speaking of how his upcoming death and resurrection would fulfill the Law and the Prophets.

Peter and John briefly allude to the event in their writings (II Peter 1:16–18, John 1:14).

According to tradition, the event took place on Mount Tabor.

In the Orthodox Church, the Feast of the Transfiguration commemorates this event. It is one of the twelve Great Feasts in the liturgical year of the Orthodox Church and is observed by it on August 6. Protestant churches observe Transfiguration Sunday on the last Sunday after the Epiphany (January 6), which places it somewhere in February or March.

The Transfiguration (1517–1520) is a painting depicting the event, by Raphael, completed posthumously by Giulio Romano.

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