Compline

In the past, general opinion ascribed the origin of this liturgical hour to St. Benedict, at the beginning of the 6th century.

Vandepitte states that it was not in Cæsarea in 375, but in his retreat in Pontus (358–362), that Basil established compline, which hour did not exist prior to his time, that is, until shortly after the middle of the 4th century.

François Plaine [fr] also traced the source of compline back to the 4th century, finding mention of it in a passage in Eusebius and in another in St. Ambrose, and also in John Cassian.

The same writers reject the opinion of Paulin Ladeuze and Jean-Martial Besse [fr] who believe that compline had a place in the Rule of St. Pachomius, which would mean that it originated still earlier in the 4th century.

The original form of the Benedictine Office, lacking even an antiphon for the psalms, is much simpler than its Roman counterpart, resembling more closely the Minor Hours of the day.

The distinctive character and greater solemnity of the Roman form of compline comes from the responsory, In manus tuas, Domine ("Into Thy hands, O Lord"), with the evangelical canticle Nunc Dimittis and its anthem, which is particularly characteristic.

[11] The hour of compline, such as it appeared in the Roman Breviary prior to the Second Vatican Council, may be divided into several parts, viz.

the beginning or introduction, the psalmody, with its usual accompaniment of antiphons, the hymn, the capitulum, the response, the Nunc dimittis, the prayer, and the benediction.

Introit: Abendlied by Josef Rheinberger; In the breviary of 1974 Roman Catholic Liturgy of the Hours, compline is divided as follows: introduction, an optional examination of conscience or penitential rite, a hymn, psalmody with accompanying antiphons, scriptural reading, the responsory, the Canticle of Simeon, concluding prayer, and benediction.

[13] In the Lutheran Service Book, used by the Lutheran Church - Missouri Synod, Compline consists of opening versicles from Psalm 92, confession of sins, psalmody, an office hymn, readings from scripture, responsory, prayer (concluded with the Lord's Prayer), the Nunc Dimittis, and benediction.

The Common Worship service consists of the opening sentences, the confession of sins, the psalms and other Bible lessons, the canticle of Simeon, and prayers, including a benediction.

It is an ancient custom, practiced on the Holy Mountain and in other monasteries, for everyone present at the end of compline to venerate the relics and icons in the church, and receive the priest's blessing.

Due to the penitential nature of Great Compline, it is not uncommon for the priest to hear Confession during the liturgy.

The Peace Hour (Armenian: Խաղաղական Ժամ khaghaghakan zham) is the office associated with compline in other Christian liturgies.

In either case the liturgy continues here: Psalms 4, 6, 13, 16, 43, 70, 86:16–17; Glory to the Father…; Song: Vouchsafe unto us (Shnorhea mez)…; Glory to the Father…; Acclamation: At the approach of darkness (I merdzenal erekoyis)…; Proclamation: And again in peace … Let us give thanks to the Lord (Gohats`arouk` zTearnē)…; Prayer: Beneficent Lord (Tēr Barerar)…; Psalm 27 The Lord is my light (Tēr loys im)…; Glory to the Father…; Song: Look down with love (Nayats` sirov)…; Acclamation: Lord, do not turn your face (Tēr mi dartzouts`aner)…; Proclamation: And again in peace … Let us beseech almighty God (Aghach`ests`ouk` zamenakal)…; Prayer: Bestowing with grace (Shnorhatou bareats`)… On non-fasting days the liturgy ends here with: Blessed is our Lord Jesus Christ.

On fasting days continue here: Psalm 119; Glory to the Father–; Hymn: We entreat you (I k`ez hayts`emk`)… During the Great Fast: Evening Chant (varies); Acclamation: To the spirits at rest (Hogvovn hangouts`elots`)…; Proclamation: And again in peace … For the repose of the souls (Vasn hangouts`eal)…; Lord, have mercy (thrice); Prayer: Christ, Son of God (K`ristos Ordi Astoutsoy)…; Blessed is our Lord Jesus Christ.

; Psalms 119:41–56, 119:113–120, 119:169–176, 91, 123, 54, Daniel 3:29–34, Luke 2:29–32, Psalms 142:7, 86:16–17, 138:7–8, Luke 1:46–55; Glory to the Father…; Acclamation: My soul into your hands (Andzn im I tzers k`o)…; Proclamation: And again in peace … Let us beseech almighty God (Aghach`ests`ouk` zamenakaln)…; Prayer: Lord our God (Tēr Astouats mer)… Ending: Psalm 4; Pre-gospel sequence; Gospel: John 12:24ff; Glory to you, our God; Proclamation: By the holy Cross (Sourb khach`ivs…)…; Prayer: Protect us (Pahpannea zmez)…; Blessed is our Lord Jesus Christ.

Ending during Fasts: Acclamation: We fall down before you (Ankanimk` araji k`o)…; Meditation Twelve of St. Gregory of Narek; Meditation 94 of St. Gregory of Narek; Meditation 41 of St. Gregory of Narek; Prayer: In faith I confess (Havatov khostovanim)… by St. Nerses the Graceful; Acclamation: Through your holy spotless and virgin mother (Vasn srbouhvoy)…; Proclamation: Holy Birthgiver of God (Sourb zAstouatsatsinn), ,; Prayer: Accept, Lord (Unkal, Tēr)…; Blessed is our Lord Jesus Christ.

Book of hours open at compline ( Eisbergen Monastery in North Rhine-Westphalia, Germany)
Responsory of the compline, In manus tuas, Domine
The start of compline in the Anglo-Catholic Anglican Service Book (1991)
Monks praying compline in St Nazianz , Wisconsin, US