Authority Behind Changing Sabbath to Sunday
The question of authority for changing the Sabbath from Saturday to Sunday divides Christian traditions along lines of ecclesiology, biblical interpretation, and the nature of ceremonial law.
The Seventh-Day Position
Seventh-day Sabbatarians maintain that the fourth commandment remains binding on the seventh day of the week. They point to the Sabbath's institution at creation—"The consecration of the Sabbath was coeval with the creation" [1]—and its inclusion in the Decalogue given at Sinai [2]. Since the commandment specifies "the seventh day" (Exodus 20:8-11), they argue no human or ecclesiastical authority can alter what God established. This position holds that the early church's shift to Sunday worship represents an unauthorized departure from divine law, not a legitimate development.
The Reformed and Protestant View
Reformed theology distinguishes between the moral principle of Sabbath-keeping (one day in seven) and its ceremonial attachment to Saturday. Charles Hodge argues that "we are as much bound to keep one day in seven holy unto the Lord, as were the patriarchs or Israelites," but that the specific day is not immutable [4]. Calvin taught that the Sabbath's "body" (its ceremonial form) was a shadow fulfilled in Christ, though "there is still room among us...to assemble on stated days for the hearing of the word" [9]. Jesus's declaration that "the Son of Man is lord of the Sabbath" [3] establishes his authority over the institution itself [7, 8]. The resurrection on the first day provided the occasion for Christians to transfer their weekly assembly, not by command but by apostolic practice and Christ's lordship.
The Patristic and Catholic Understanding
Early Christian writers distinguished between Jewish Sabbath observance and the Lord's Day. Augustine noted that "the Lord's day...has been made known not to the Jews, but to Christians, by the resurrection of the Lord" [10]. The shift was understood as the church's authority to establish worship patterns under the New Covenant. Aquinas later systematized this, teaching that while the moral core of Sabbath worship remains, its ceremonial particulars could be adapted [6]. The church's authority to "introduce ceremonies" and establish "holy-days" [5] was seen as inherent in its apostolic commission.
The Contested Ground
All traditions agree that regular, corporate worship is essential and that rest from labor serves human flourishing. The disagreement centers on whether the specific day is divinely fixed or ecclesiastically determined—a question that ultimately reflects deeper divisions over the authority of tradition, the continuity of Old Testament law, and the nature of Christ's fulfillment of ceremonial ordinances.
Sources
- Smith's Bible Dictionary “Smith's Bible Dictionary: Sabbath — (shabbath), "a day of rest," from shabath "to cease to do to," "to rest"). The name is applied to divers great festivals, but principally and usually to the seventh day of the week, the strict observance of which is enforced not merely in the general Mosaic code, but in the Decalogue itself. The consecration of the Sabbath was coeval with the creation. The first scriptural notice of it, though it is not mentioned by name, is to be found in (Genesis 2:3) at the close of the record of the six-days creation. There are not wanting indirect evidences of its obser”
- Easton's Bible Dictionary “Easton's Bible Dictionary: Sabbath — (Heb. verb shabbath, meaning "to rest from labour"), the day of rest. It is first mentioned as having been instituted in Paradise, when man was in innocence (Gen. 2:2). "The sabbath was made for man," as a day of rest and refreshment for the body and of blessing to the soul. It is next referred to in connection with the gift of manna to the children of Israel in the wilderness (Ex. 16:23); and afterwards, when the law was given from Sinai (20:11), the people were solemnly charged to "remember the sabbath day, to keep it holy." Thus it is spoken of as an ins”
- Matthew “Matthew 12:8 (LEB) — For the Son of Man is lord of the Sabbath.””
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 3, section 46: and protection, are no longer binding. The same is true with regard to the Sabbath. We are as much bound to keep one day in seven boly unto the Lord, as were the patriarchs or Israelites. This law binds all men as men, because given to all mankind, and because it is founded upon the nature common to all men, and the relation which all men bear to God. The two essential elements of the command are that the Sabbath should be a day of rest, that is, of cessation from worldly avocations and amusements; and that it should be devoted to the wor”
- Augsburg Confession (Lutheran) “Augsburg Confession (Lutheran, 1530), 29 If they have any other power or jurisdiction, in hearing and: 29 If they have any other power or jurisdiction, in hearing and judging certain cases, as of matrimony or of tithes, etc., they have it by human right, in which matters princes are bound, even against their will, when the ordinaries fail, to dispense justice to their subjects for the maintenance of peace. 30 Moreover, it is disputed whether bishops or pastors have the right to introduce ceremonies in the Church, and to make laws concerning meats, holy-days and grades, that is, orders of minis”
- theology (Catholic (Scholastic)) “Aquinas, Summa Theologica, Second Part of the Second Part (Secunda Secundae), Of the Precepts of Justice, Art. 4: Article: Whether the third precept of the decalogue, concerning the hallowing of the Sabbath, is fittingly expressed? I answer that, The obstacles to true religion being removed by the first and second precepts of the decalogue, as stated above (Articles [2],3), it remained for the third precept to be given whereby man is established in true religion. Now it belongs to religion to give worship to God: and just as the Divine scriptures teach the interior worship under the guise of ”
- Mark (Protestant academic) “Tyndale House on Mark 2:27: 2:27-28 Since Jesus is the Lord of humanity (1 Cor 15:25-28; Eph 1:20-22; Phil 2:9-11) and since the Sabbath was made to meet the needs of people, he is Lord . . . over the Sabbath. As with Jesus’ authority to forgive sins (Mark 2:7), this was a claim to divine authority.”
- Matthew (Baptist/Reformed) “John Gill on Matthew 12:8: For the Son of man is Lord even of the sabbath day. By "the Son of man" is meant, not any man, as some have thought; for no mere man is lord of any law, moral or ritual, natural or positive; or has a power of disposing of it, and dispensing with it at pleasure; but Christ himself; which is the constant sense of this phrase in the New Testament, and is a character of the Messiah in the old, Dan 7:13 who, as he was the institutor of the sabbath among the Jews, that being a ritual, and of mere positive institution, could dispense with it, and even abrogate it at his ple”
- CCEL (Reformed) “John Calvin, Institutes of the Christian Religion, section 44: ); meaning by body the whole essence of the truth, as is well explained in that passage. This is not contented with one day, but requires the whole course of our lives, until being completely dead to ourselves, we are filled with the life of God. Christians, therefore, should have nothing to do with a superstitious observance of days. 32. The two other cases ought not to be classed with ancient shadows, but are adapted to every age. The sabbath being abrogated, there is still room among us, first, to assemble on stated days for the”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 1: Augustine — Confessions, Letters — CHAP. XII. --22. It is also for this reason, that of all the ten commandments, that which related to the Sabbath was the only one in which the thing commanded was typical ;' the bodily rest enjoined b (part 1): CHAP. XIII.--23. The Lord's day, however, has been made known not to the Jews, but to Christians, by the resurrection of the Lord, and from Him it began to have the festive character which is proper to it.s For the souls of the pious dead are, indeed, in a state of repose before the resurrection of the body, but they are not engaged in the”