The Sacred Triduum

The Sacred Paschal Triduum, in Latin Triduum Sacrum, is the three-day liturgical celebration that runs from the Mass of the Lord's Supper on Holy Thursday evening through Vespers of Easter Sunday. It is the liturgical and spiritual climax of the entire Catholic year. The General Norms for the Liturgical Year describe the Triduum as the celebration of the Paschal Mystery, the saving Passion, Death, Resurrection, and Glorification of Christ; the rest of the liturgical year flows from and points back to these three days.¹

The Triduum as one continuous liturgy

A central feature of the Triduum, distinguishing it from any other stretch of the liturgical year, is that the Church treats the three days as one continuous celebration. This is reflected in the rubrics: the Mass of the Lord's Supper opens with the customary entrance and the Gloria, but it does not conclude in the usual way; the recessional ends with the silent procession of the Blessed Sacrament to the altar of repose, with no dismissal. Good Friday's celebration of the Lord's Passion likewise has no proper opening (the celebrant enters in silence and prostrates himself before the bare altar) and no closing dismissal; it leaves the assembly in stillness. The Easter Vigil, beginning after nightfall on Holy Saturday, gathers the assembly in darkness, ignites the Paschal candle, proclaims the Exsultet, and only then does the Gloria return, with bells, lights, and the renewal of baptismal promises.

The three liturgies are, in the rubrical sense, a single liturgical event with three movements. This unity is why the Triduum is properly understood as the heart of the entire Catholic year, not merely as a sequence of three high-ceremony days.²

Holy Thursday: the Mass of the Lord's Supper

The Triduum opens at sunset on Holy Thursday with the Mass of the Lord's Supper, which commemorates two events instituted by Christ at the Last Supper: the Eucharist and the priesthood. The Gospel reading is the foot-washing narrative from John 13:1-15. After the homily the celebrant may wash the feet of twelve members of the assembly, in imitation of Christ's washing of the disciples' feet.

The Mass concludes with the procession of the Blessed Sacrament to the altar of repose, where the Eucharist is reserved for the Communion of the faithful on Good Friday (Good Friday is the one day of the year on which Mass is not celebrated; the Communion of the faithful is from the hosts consecrated at the Mass of the Lord's Supper). After the procession, the main altar is stripped bare, the sanctuary lamp is extinguished, the tabernacle is left open, and a vigil of adoration before the altar of repose may continue until midnight.³

Good Friday: the Celebration of the Lord's Passion

Good Friday is the one day of the entire Catholic year on which the Eucharist is not celebrated. The Liturgy of the Day, traditionally celebrated in the afternoon between noon and 3:00 p.m. (the hours of the Crucifixion), takes its distinctive shape from this fact. The structure of the celebration has three parts:

1. The Liturgy of the Word, including the proclamation of the Passion according to Saint John (John 18:1-19:42) and the Solemn Intercessions, an ancient set of ten universal prayers.
2. The Adoration of the Holy Cross, in which a wooden cross is unveiled, lifted up, and venerated by all present, accompanied by the chant of the Reproaches and the antiphon Ecce lignum Crucis ("Behold the wood of the Cross").
3. Holy Communion, distributed from the hosts reserved at the previous evening's Mass.

Good Friday is a universal day of fast and abstinence for the Latin Church. It is also the only day of the year on which the celebration of any sacrament is suspended (with the exception of confession and the anointing of the sick).⁴

The Chair of Saint Peter (the See of Rome) holds a unique witness in connection with Good Friday: the so-called Office of Tenebrae and the traditional Stations of the Cross at the Roman Colosseum, attended by the Pope, are observed in many places.

Holy Saturday: the day of silence

Holy Saturday is the one day of the year that has no proper Mass and no proper liturgy until the Easter Vigil after nightfall. The Church keeps vigil at the tomb of the Lord, meditating on His descent into the realm of the dead and on the silence of God between the Cross and the Resurrection. The traditional name is Sabbatum Sanctum: the Holy Sabbath of the Lord's repose.

In the morning of Holy Saturday, an ancient form of the Liturgy of the Hours is observed, but no sacraments are celebrated until the Easter Vigil that evening (with the exception, as noted, of confession and anointing of the sick).

The Easter Vigil: the mother of all vigils

The Easter Vigil, in the night of Holy Saturday into Easter Sunday, is the most sacred liturgy of the Catholic year. Saint Augustine called it "the mother of all vigils." The Vigil is structured in four parts:⁵

1. The Service of Light: the Paschal Fire is kindled outside the church, the Paschal Candle is blessed and lit from it, and the assembly processes into the dark church behind the candle, lighting their tapers from its flame. The Exsultet, the great Easter Proclamation, is then chanted by the deacon (or, in his absence, by the priest or a cantor).
2. The Liturgy of the Word: as many as nine readings (seven Old Testament, an Epistle, a Gospel) tracing the entire arc of salvation history from creation through the Resurrection. The Gloria is sung for the first time since the start of Lent, accompanied by bells and the lighting of the church.
3. The Liturgy of Baptism: the catechumens of the parish are baptized, confirmed, and admitted to first Holy Communion. The whole assembly renews their baptismal promises and is sprinkled with the newly blessed Easter water.
4. The Liturgy of the Eucharist: the first Mass of Easter, in which the Resurrection is celebrated for the first time in the new liturgical year.

The Easter Vigil concludes with the dismissal: Ite missa est, alleluia, alleluia, to which the assembly responds Deo gratias, alleluia, alleluia. The double alleluia, which has been suppressed throughout Lent, returns with the Resurrection.

The Triduum and the lay Catholic life

The Triduum is the only stretch of the year in which the lay Catholic is encouraged, with serious gravity, to clear other commitments and participate fully. The three liturgies are not three separate events but the rehearsal in time of the saving deeds of Christ, in which the believer is invited to walk the way from the Last Supper through the Cross and the tomb to the empty tomb of Easter Sunday morning.

Many Catholic homes observe a quiet, almost monastic atmosphere from the conclusion of the Mass of the Lord's Supper through the start of the Easter Vigil: no music other than what is liturgical, simplified meals, suspension of customary entertainments, fasting on Good Friday, and family time before the bare crucifix. The reward is the eruption of the Easter Vigil, with its lights, bells, and Gloria, into the silence of Holy Saturday night.

For the season that opens out from the Triduum, see Easter. For the Sorrowful Mysteries of the rosary, which retrace the Passion narratives prayed during the Triduum, see the rosary hub.

Sources

Footnotes

1. General Norms for the Liturgical Year and the Calendar, nn. 18-21. ↩

2. Roman Missal, third typical edition (2002), the rubrics of Holy Thursday, Good Friday, and the Easter Vigil. See also the Congregation for Divine Worship's Paschalis Sollemnitatis (1988). ↩

3. Roman Missal, the rubrics of the Mass of the Lord's Supper. ↩

4. Paschalis Sollemnitatis (Congregation for Divine Worship, 1988), nn. 56-78, on the celebration of Good Friday. ↩

5. Saint Augustine of Hippo, Sermons 219, on the Easter Vigil. See also Paschalis Sollemnitatis, nn. 79-97. ↩