Major hours

thumb|300px|right|Order of Saint Benedict|Benedictine [[monks singing vespers on Holy Saturday]] Vespers () is a liturgy of evening prayer, one of the canonical hours in Catholic, Orthodoxy (Eastern Orthodox and Oriental Orthodox), Anglican, and Lutheran liturgies.

Matins (also Mattins) is a canonical hour in Christian liturgy, originally sung during the darkness of early morning (between midnight and dawn).

thumb|The verse Domine, labia mea aperies et os meum annuntiabit laudem tuam is sung at the opening of the first canonical hour of the day Lauds are a canonical hour of the Divine office. In the Roman Rite Liturgy of the Hours it is one of the major hours, usually held after Matins, in the early morning hours.

thumb|Opening verse of matins Nocturns (Latin: nocturni or nocturna) is a Christian canonical hour said in the nighttime.