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Ad orientem, meaning "to the east" in Ecclesiastical Latin, is a phrase used to describe the eastward orientation of Christian prayer and Christian worship, comprising the preposition ad (toward) and oriens (rising, sunrise, east), participle of orior (to rise). Ad orientem has been used to describe the eastward direction of prayer that the early Christians faced when praying, a practice that continues in the Eastern Orthodox Church, Oriental Orthodox churches, Mar Thoma Syrian Church, Assyrian Church of the East, as well as the Eastern Catholic and Eastern Lutheran churches. It was normative in the Roman Catholic Church until the 1960s, with the current exception of the Tridentine Mass; some Lutheran and Anglican churches continue to offer the Divine Service ad orientem. Although the Second Vatican Council never ordered any change from ad orientem to versus populum, in the aftermath of the council the change was widespread in many places afterward and became the norm, though ad orientem was never forbidden and the Pauline Missal presumes that Mass is said ad orientem in its rubrics. In the celebration of the Mass, it indicates that the priestly celebrant faces the altar with his back to the congregants, so they all face the same direction, as opposed to versus populum, facing the people. Since the time of the Early Church, the eastward direction of Christian prayer has carried a strong significance, attested by the writings of the Church Fathers. In the 2nd century, Syrian Christians hung a Christian cross on the eastern wall of their house, symbolizing "their souls facing God, talking with him, and sharing their spirituality with the Lord". Two centuries later, Saint Basil the Great declared that "facing the east to pray was among the oldest unwritten laws of the Church". Nearly all Christian apologetic tracts published in the 7th century in the Syriac and Arabic languages explicated the reason that Christians prayed facing the east is because "the Garden of Eden was planted in the east () and that at the end of time, at the second coming, the Messiah would approach Jerusalem from the east.

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Related concepts (9)

Christian prayer

Christian prayer is an important activity in Christianity, and there are several different forms used for this practice. Christian prayers are diverse: they can be completely spontaneous, or read entirely from a text, such as from a breviary, which contains the canonical hours that are said at fixed prayer times. While praying, certain gestures usually accompany the prayers, including folding one's hands, bowing one's head, kneeling (often in the kneeler of a pew in corporate worship or in the kneeler of a prie-dieu in private worship), and prostration.

Fixed prayer times

Fixed prayer times, praying at dedicated times during the day, are common practice in major world religions such as Judaism, Christianity, and Islam. Jewish law requires Jews to pray thrice a day; the morning prayer is known as Shacharit, the afternoon prayer is known as Mincha, and the evening prayer is known as Maariv. According to Jewish tradition, the prophet Abraham introduced Shacharit, the prophet Isaac introduced Mincha, and the prophet Jacob introduced Maariv.

Bell tower

A bell tower is a tower that contains one or more bells, or that is designed to hold bells even if it has none. Such a tower commonly serves as part of a Christian church, and will contain church bells, but there are also many secular bell towers, often part of a municipal building, an educational establishment, or a tower built specifically to house a carillon. Church bell towers often incorporate clocks, and secular towers usually do, as a public service.