Letter 50055: Augustine to Januarius, greetings in the Lord.

Augustine of HippoJanuarius|c. 405 AD|Augustine of Hippo
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Letter 55 — To Januarius on Easter and Christian Observances (A.D. 400)

Augustine to Januarius, greetings in the Lord.

Your letter reminded me that I still owe you answers to the questions you raised some time ago. Though pressed by many obligations, I am setting everything else aside to respond. I will spare you a commentary on your letter and simply get to what I owe.

WHY EASTER MOVES BUT CHRISTMAS DOES NOT

You ask: why does the anniversary of the Lord's Passion not fall on the same fixed date each year, as Christmas does? And: if the reason has to do with the day of the week and the phase of the moon, what does that have to do with our celebration?

Here is the key distinction. Christmas is a commemoration, not a sacrament. It simply marks the return of the calendar day on which Christ was born, and so it falls on the same date every year. But Easter is sacramental. It does not merely recall an event — it enacts what that event signifies. The Passion and Resurrection consecrated a transition: from death to life. The very word "Pascha" is not Greek, as people commonly suppose. Those who know both languages tell us it is Hebrew, meaning "a passing over." This is exactly what the Lord alluded to when he said, "Whoever believes in me has passed from death to life" (John 5:24). And John, the same evangelist, notes that when Jesus was about to celebrate the Passover supper with his disciples, "Jesus knew that his hour had come to depart from this world to the Father" (John 13:1). That departure — from this mortal life to immortal life — is what the Passion and Resurrection set before us.

HOW THIS TRANSITION IS WORKED IN US NOW

This passing from death to life is accomplished in us now, through faith — faith in the forgiveness of sins and the hope of eternal life, working through love. "Faith works through love" (Galatians 5:6). "The just shall live by faith" (Habakkuk 2:4). "Hope that is seen is not hope... if we hope for what we do not see, we wait for it with patience" (Romans 8:24-25). By this faith and hope and love, under grace, we have already in a real sense died with Christ and been raised with him. "Our old self was crucified with him" (Romans 6:6). God "has raised us up together and made us sit with him in the heavenly places" (Ephesians 2:6).

But some, misreading Paul's language, have concluded there is no future resurrection to hope for. Paul himself refutes them by naming Hymenaeus and Philetus, who err by saying "the resurrection is already past" (2 Timothy 2:17-18). The resolution: we are already risen in the sense of faith, hope, and love — the first-fruits of the Spirit. But the redemption of the body lies still ahead. "Rejoicing in hope, patient in tribulation" (Romans 12:12) — this is our present condition.

WHY EASTER IS TIED TO THE LUNAR CALENDAR

Because Easter is sacramental — because it enacts, not merely recalls — its celebration must follow the sacramental logic of the event itself. The Lord rose on a Sunday, and on the third day. Sunday is the eighth day — the day beyond the seven-day cycle, signifying eternity. The number seven in Scripture signifies completeness within time; eight signifies what transcends time. The Resurrection inaugurated the new age.

The spring timing matters because creation begins again in spring — the season of the first month (Abib, Exodus 23:15), when the world was made. The Lord rose during the period of the full moon, because the full moon, when it no longer increases but has not yet begun to wane, signifies perfection at its height. These correspondences are not arbitrary: they are woven into the fabric of creation to testify to the mystery they signify.

ON FASTING, CUSTOMS, AND CHURCH PRACTICE

You raise many questions about the practices of various churches — why some fast on Saturday, why others do not; the Eucharist received fasting; customs that vary from place to place. My answer: where Scripture has not determined a matter, follow the custom of the local church you are in. When I was young, my teacher Ambrose told my mother this directly: "When I am at Rome, I fast on Saturday; when I am here in Milan, I do not. Follow the custom of the church you are in." This avoids both the scandal of needless novelty and the sin of enslaving free consciences to unnecessary rules.

The Eucharist received fasting is a universal custom of the whole Church, ratified everywhere without exception, and has the force of law. The Lord gave the sacrament after supper; yet from the beginning the Church chose to receive it fasting, as a sign of the preeminence of this food over all others.

As for other observances — processions, vigils, days of fasting before Easter — these vary from region to region. None is prescribed by Scripture; none is forbidden. Wise Christians differ on them, and we should not make them tests of fellowship. The unity of the Church rests on what is essential: faith, hope, and love; baptism and the Eucharist; the creed. Everything else belongs to the variety of legitimate custom.

I have gone on at length — but these questions deserve full answers, and you deserved to have them from me.

Farewell in Christ.

Modern English rendering for readability. See the 19th-century translation or original Latin/Greek for scholarly use.

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