Jesus Christ kept the seventh day and worshiped God on the Sabbath (Luke 4:16 Luke 4:16And he came to Nazareth, where he had been brought up: and, as his custom was, he went into the synagogue on the sabbath day, and stood up for to read.
American King James Version×). Indeed Christ Himself is the "Lord of the Sabbath" (Mark 2:27-28 Mark 2:27-28  And he said to them, The sabbath was made for man, and not man for the sabbath:  Therefore the Son of man is Lord also of the sabbath.
American King James Version×)—directly linking our Savior with this period of holy time.
The book of Acts records that the New Testament Church, including the apostle Paul, continued to keep the Sabbath (Acts 13:14-44 Acts 13:14-44  But when they departed from Perga, they came to Antioch in Pisidia, and went into the synagogue on the sabbath day, and sat down.
 And after the reading of the law and the prophets the rulers of the synagogue sent to them, saying, You men and brothers, if you have any word of exhortation for the people, say on.
 Then Paul stood up, and beckoning with his hand said, Men of Israel, and you that fear God, give audience.
 The God of this people of Israel chose our fathers, and exalted the people when they dwelled as strangers in the land of Egypt, and with an high arm brought he them out of it.
 And about the time of forty years suffered he their manners in the wilderness.
 And when he had destroyed seven nations in the land of Chanaan, he divided their land to them by lot.
 And after that he gave to them judges about the space of four hundred and fifty years, until Samuel the prophet.
 And afterward they desired a king: and God gave to them Saul the son of Cis, a man of the tribe of Benjamin, by the space of forty years.
 And when he had removed him, he raised up to them David to be their king; to whom also he gave their testimony, and said, I have found David the son of Jesse, a man after my own heart, which shall fulfill all my will.
 Of this man's seed has God according to his promise raised to Israel a Savior, Jesus:
 When John had first preached before his coming the baptism of repentance to all the people of Israel.
 And as John fulfilled his course, he said, Whom think you that I am? I am not he. But, behold, there comes one after me, whose shoes of his feet I am not worthy to loose.
 Men and brothers, children of the stock of Abraham, and whoever among you fears God, to you is the word of this salvation sent.
 For they that dwell at Jerusalem, and their rulers, because they knew him not, nor yet the voices of the prophets which are read every sabbath day, they have fulfilled them in condemning him.
 And though they found no cause of death in him, yet desired they Pilate that he should be slain.
 And when they had fulfilled all that was written of him, they took him down from the tree, and laid him in a sepulcher.
 But God raised him from the dead:
 And he was seen many days of them which came up with him from Galilee to Jerusalem, who are his witnesses to the people.
 And we declare to you glad tidings, how that the promise which was made to the fathers,
 God has fulfilled the same to us their children, in that he has raised up Jesus again; as it is also written in the second psalm, You are my Son, this day have I begotten you.
 And as concerning that he raised him up from the dead, now no more to return to corruption, he said on this wise, I will give you the sure mercies of David.
 Why he said also in another psalm, You shall not suffer your Holy One to see corruption.
 For David, after he had served his own generation by the will of God, fell on sleep, and was laid to his fathers, and saw corruption:
 But he, whom God raised again, saw no corruption.
 Be it known to you therefore, men and brothers, that through this man is preached to you the forgiveness of sins:
 And by him all that believe are justified from all things, from which you could not be justified by the law of Moses.
 Beware therefore, lest that come on you, which is spoken of in the prophets;
 Behold, you despisers, and wonder, and perish: for I work a work in your days, a work which you shall in no wise believe, though a man declare it to you.
 And when the Jews were gone out of the synagogue, the Gentiles sought that these words might be preached to them the next sabbath.
 Now when the congregation was broken up, many of the Jews and religious proselytes followed Paul and Barnabas: who, speaking to them, persuaded them to continue in the grace of God.
 And the next sabbath day came almost the whole city together to hear the word of God.
American King James Version×; 17:1-3; 18:4). The Sabbath is a special 24-hour period designed to deepen and broaden our devotion to God—enabling us to learn more of the real purpose of human life.
On the Sabbath day, when men and women turn from their own thoughts, they have sufficient time to think about the true values—and find real pleasure in seeking those things that please God (Isaiah 58:13-14 Isaiah 58:13-14  If you turn away your foot from the sabbath, from doing your pleasure on my holy day; and call the sabbath a delight, the holy of the LORD, honorable; and shall honor him, not doing your own ways, nor finding your own pleasure, nor speaking your own words:
 Then shall you delight yourself in the LORD; and I will cause you to ride on the high places of the earth, and feed you with the heritage of Jacob your father: for the mouth of the LORD has spoken it.
American King James Version×). We are freed from the bondage of this world's ways that are contrary to God's, just as the ancient Israelites were emancipated from their slavery in Egypt nearly 3,500 years ago.
Moreover, obedience to the commandment in Exodus to "Remember the Sabbath day, to keep it holy" causes human beings to hallow the seventh day by resting and worshipping God.
Further, Exodus 31:13-17 Exodus 31:13-17  Speak you also to the children of Israel, saying, Truly my sabbaths you shall keep: for it is a sign between me and you throughout your generations; that you may know that I am the LORD that does sanctify you.
 You shall keep the sabbath therefore; for it is holy to you: every one that defiles it shall surely be put to death: for whoever does any work therein, that soul shall be cut off from among his people.
 Six days may work be done; but in the seventh is the sabbath of rest, holy to the LORD: whoever does any work in the sabbath day, he shall surely be put to death.
 Why the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant.
 It is a sign between me and the children of Israel for ever: for in six days the LORD made heaven and earth, and on the seventh day he rested, and was refreshed.
American King James Version×points out that the Sabbath is a sign between God and His people, constituting a perpetual covenant. This day is to be kept holy as a reminder that He sets His people apart as His children.
The seventh-day Sabbath looks back to creation and reminds men and women of their Creator. It also looks forward to the return of Jesus Christ and the establishment of the Kingdom of God, when all the world will finally experience that true promised rest (see Hebrews 4:4-10 Hebrews 4:4-10  For he spoke in a certain place of the seventh day on this wise, And God did rest the seventh day from all his works.
 And in this place again, If they shall enter into my rest.
 Seeing therefore it remains that some must enter therein, and they to whom it was first preached entered not in because of unbelief:
 Again, he limits a certain day, saying in David, To day, after so long a time; as it is said, To day if you will hear his voice, harden not your hearts.
 For if Jesus had given them rest, then would he not afterward have spoken of another day.
 There remains therefore a rest to the people of God.
 For he that is entered into his rest, he also has ceased from his own works, as God did from his.
American King James Version×). GN