Understanding Good Friday
The Hour of the Lamb: Good Friday, the New Passover, and the Necessity of the Mass
I. Introduction: From Figure to Fulfillment, From Event to Eternal Reality
Good Friday is not merely the remembrance of an execution, nor even simply the culmination of Christ’s earthly ministry. It is the decisive moment in which the entire sacrificial structure of divine revelation reaches its fulfillment—precisely, deliberately, and irrevocably. What occurs on Calvary is not accidental, nor merely symbolic, nor reducible to moral example. It is liturgical, covenantal, and sacrificial in the fullest and most technical sense.
To understand Good Friday properly, one must resist the modern tendency to isolate it as a past event and instead situate it within the continuous arc of salvation history—especially as understood within Second Temple Judaism. Only then does its full coherence emerge: Christ is not simply a victim; He is the Passover Lamb. He is not merely suffering; He is offering. He is not only dying; He is inaugurating a sacrifice that, though historically accomplished once, is made present perpetually.
This is why the Church has always insisted that the Cross cannot be separated from the altar. The sacrifice of Calvary is not merely remembered—it is made present. And without this sacramental presence, the meaning of Good Friday itself begins to unravel.
II. The Passover in Second Temple Judaism: Sacrifice as Covenant Reality
By the time of Christ, Passover had developed into one of the most theologically dense and ritually precise observances in Israel. Rooted in Exodus 12, the Passover was not simply a memorial of past deliverance but a liturgical participation in it. The lamb was not a symbol—it was a sacrifice whose blood effected covenantal meaning.
According to the Torah, the Passover lamb had to be:
Male, unblemished, and in the prime of life (Exod 12:5)
Slaughtered on the 14th of Nisan
Consumed entirely, with no bone broken (Exod 12:46)
Marked by blood that signified deliverance from death
In the Second Temple period, these prescriptions were carried out with remarkable precision. The Mishnah records that the lambs were slaughtered in the Temple courts in coordinated waves, beginning in the afternoon and culminating around the ninth hour (approximately 3:00 PM), while the priests poured out the blood and the Levites chanted the Hallel Psalms.¹
This was not merely ritual repetition. As later Jewish tradition affirms, each participant was to regard himself as personally brought out of Egypt.² The Passover was therefore a sacrificial memorial that made present the original act of redemption.
Josephus, writing in the first century, attests to the immense scale of these sacrifices, noting that hundreds of thousands of lambs could be slaughtered during Passover.³ The Temple, at that hour, became a place saturated with blood, prayer, and expectation.
This is the world into which Christ enters—and which He fulfills.
III. The Last Supper: Christ Reconstitutes the Passover Around Himself
At the Last Supper, Christ does not merely celebrate the Passover; He transforms it from within. The meal, whether understood strictly as a Passover Seder (as in the Synoptics) or as occurring on the eve of Passover (as in Gospel of John), is unmistakably Passover in structure and meaning.
Yet at its center, Christ introduces something radically new.
He takes bread and declares: “This is my Body which is given for you” (Luke 22:19). He takes the cup: “This is my Blood of the covenant, which is poured out for many” (Mark 14:24).
Here, Christ identifies Himself as:
The Lamb to be sacrificed
The Covenant to be ratified
The Meal to be consumed
This is not metaphorical language. As St. Paul later affirms: “Christ, our Passover, has been sacrificed” (1 Cor 5:7).
St. Thomas Aquinas explains that Christ instituted the Eucharist at Passover precisely to demonstrate that “all the ancient sacrifices were figures of this true sacrifice.”⁴ The Catechism of the Council of Trent likewise teaches that the Eucharist both fulfills and surpasses the Passover, because it contains not a sign of the Lamb, but the Lamb Himself.⁵
Yet the Last Supper is anticipatory. The sacrifice is sacramentally instituted, but not yet historically consummated. That consummation occurs the following day—at the precise hour of sacrifice.
IV. The Chronology of the Passion: The Ninth Hour and the Slaughter of the Lambs
The Gospels present the Passion not only as a sequence of events, but as a carefully structured liturgical timeline.
According to the Synoptic Gospels:
Christ is crucified at the third hour (Mark 15:25) — about 9:00 AM
Darkness falls from the sixth to the ninth hour (Mark 15:33)
Christ dies at the ninth hour (Mark 15:34–37) — about 3:00 PM
This is the exact time when the Passover lambs were being slaughtered in the Temple.
The theological precision here cannot be overstated. While the priests are offering lambs on the altar, Christ—the true Lamb—is lifted up on the Cross.
The Gospel of John intensifies this connection by emphasizing that Christ is condemned on the day of Preparation for Passover (John 19:14), and that His bones are not broken (John 19:36), directly fulfilling Exodus 12:46.
Moreover, John records that Christ dies after declaring “It is finished” (John 19:30)—a phrase (tetelestai) that carries connotations of completion, fulfillment, and even sacrificial consummation.
Thus, the timing is not incidental. It is revelatory. Christ dies not merely during Passover, but as the Passover sacrifice.
V. The Self-Emptying of Christ: Priest and Victim in One Act
A critical theological distinction must be preserved: Christ is not simply put to death—He offers Himself.
In John 10:18, He declares: “No one takes my life from me, but I lay it down of my own accord.” This is not rhetoric; it is metaphysical reality.
The Passion is not the triumph of human violence over divine innocence. It is the deliberate self-offering of the Son to the Father.
St. Thomas Aquinas teaches that Christ is uniquely both priest and victim (sacerdos et hostia).⁶ Unlike the Old Covenant, where priest and offering are distinct, Christ unites both roles in His own person.
The moment of death is therefore not passive. St. John writes: “He bowed his head and gave up his spirit” (John 19:30). The verb indicates an active handing over.
This corresponds to the Christological hymn of Philippians 2:7–8: He “emptied himself” (ekenōsen), becoming obedient unto death.
Thus, at the ninth hour—the hour of sacrifice—Christ freely, consciously, and sovereignly offers Himself as the true Lamb.
VI. The Fulfillment of the Entire Sacrificial System
Christ does not merely fulfill Passover; He fulfills the entire sacrificial economy of Israel.
The Letter to the Hebrews provides the most explicit theological articulation of this reality. Christ enters not into an earthly sanctuary, but into the heavenly one, offering His own blood once for all (Heb 9:11–12).
Whereas:
The Levitical priesthood was temporary
The sacrifices were repeated
The offerings were imperfect
Christ’s sacrifice is:
Eternal
Perfect
Definitive
As Hebrews states: “By a single offering he has perfected for all time those who are sanctified” (Heb 10:14).
Yet this “once-for-all” character does not imply absence. Rather, it implies sufficiency. The sacrifice is not repeated because it is complete—but it is made present because its effects are eternal.
This is why the Book of Revelation depicts Christ as “a Lamb standing, as though it had been slain” (Rev 5:6). The sacrifice is not confined to the past; it is eternally present before the Father.
VII. The Necessity of the Mass: The Perpetual Presence of the One Sacrifice
If Christ’s sacrifice is once for all, how is it accessible to believers across time?
The answer is the Mass.
At the Last Supper, Christ commands: “Do this in remembrance of me” (Luke 22:19). The term anamnesis [remembrance] signifies not mere recollection, but a liturgical making-present of a salvific event.
The Council of Trent teaches that in the Mass, “the same Christ who offered Himself once in a bloody manner on the altar of the Cross is contained and immolated in an unbloody manner.”⁷
This is not a repetition, but a re-presentation. The sacrifice of Calvary is made present sacramentally.
The Catechism of the Council of Trent insists that the Mass is a true and proper sacrifice because it contains the same victim and the same offering as the Cross, differing only in mode.⁸
Without this sacrificial presence, the Cross would remain historically true but liturgically inaccessible. The Mass is therefore not optional—it is necessary.
It is the divinely instituted means by which the faithful participate in the one perfect sacrifice.
For a greater explanation of the need for sacrifice at all, click here.
VIII. The Temple Veil and the Transformation of Worship
At the moment of Christ’s death, the veil of the Temple is torn in two (Matt 27:51).
This event signifies not the abolition of worship, but its transformation.
The Temple, with its sacrificial system, is fulfilled in Christ. He is the new Temple (John 2:19–21), and His Body is the locus of divine presence.
The tearing of the veil indicates that access to God is now mediated through Christ’s sacrifice. Worship is no longer tied to a geographic location, but to participation in Him.
This participation occurs most fully in the Eucharist, where the sacrifice of Christ is made present and the faithful are united to it.
IX. Precision, Providence, and the Divine Logic of Redemption
When considered in its entirety, the Passion reveals a level of precision that defies reduction to coincidence:
Christ enters Jerusalem at Passover
He institutes the Eucharist within a Passover context
He is crucified at the hour of the Passover sacrifice
His bones are not broken
His blood is poured out as covenantal deliverance
As Augustine of Hippo famously observed, “The New Testament lies hidden in the Old, and the Old is unveiled in the New.”⁹
Good Friday is that unveiling.
X. The Eternal Passover and the Life of the Church
Good Friday is not simply remembered; it is entered into. The Passover is not merely fulfilled; it is eternalized.
In the Eucharist, the faithful do not stand at a distance from Calvary—they are brought into its reality. The Lamb who was slain remains present, and His sacrifice is made accessible.
This is why the Mass stands at the center of Christian life. It is not an addition to the Cross, nor a repetition of it, but its sacramental presence.
To remove the Mass is to sever the connection between the believer and the sacrifice. To understand Good Friday rightly is therefore to understand the necessity of the altar.
For at the ninth hour, the Lamb was offered. And in every Mass, that same Lamb is made present—so that the deliverance once accomplished may be continually applied, until the final Passover is fulfilled in the Kingdom of God.
Endnotes
Mishnah, Pesachim 5:5–7.
Mishnah, Pesachim 10:5.
Flavius Josephus, The Jewish War, VI.9.3.
St. Thomas Aquinas, Summa Theologiae, III, q. 73, a. 5.
Catechism of the Council of Trent, Part II, Eucharist.
St. Thomas Aquinas, Summa Theologiae, III, q. 22, a. 2.
Council of Trent, Session XXII, Chapter 2.
Catechism of the Council of Trent, Part II, Eucharist.
Augustine of Hippo, Quaestiones in Heptateuchum, 2.73.
