From the Sabbath to Sunday
In him, the "spiritual" meaning of the Sabbath is fully realized, as Saint Gregory the Great declares: "For us, the true Sabbath is the person of our Redeemer, our Lord Jesus Christ".(14) This is why the joy with which God, on humanity's first Sabbath, contemplates all that was created from nothing, is now expressed in the joy with which Christ, on Easter Sunday, appeared to his disciples, bringing the gift of peace and the gift of the Spirit (cf. Jn 20:19-23). It was in the Paschal Mystery that humanity, and with it the whole creation, "groaning in birth-pangs until now" (Rom 8:22), came to know its new "exodus" into the freedom of God's children who can cry out with Christ, "Abba, Father!" (Rom 8:15; Gal 4:6). In the light of this mystery, the meaning of the Old Testament precept concerning the Lord's Day is recovered, perfected and fully revealed in the glory which shines on the face of the Risen Christ (cf. 2 Cor 4:6). We move from the "Sabbath" to the "first day after the Sabbath", from the seventh day to the first day: the dies Domini becomes the dies Christi!