"the Lord" "of the Sabbath", which according to the Ten Commandments, being His Holy Law, is "the seventh day the Sabbath of the Lord thy God".
The very same Jesus which speaketh by the Holy Spirit, saying "sin is the transgression of the Law", per 1 John 3:4.
The very same Jesus, YHVH the Son, which came down upon Mt. Sinai in glorious power and majesty, surrounded by ten thousand times ten thousand, and thousands of angels, and speaking His Law audibly from Heaven.
The very same Jesus, which as His continual manner, to keep the 7th Day holy, per Luke 4:16.
The very same Jesus, who is even "the same yesterday, today and forever", per Psalms 102 and Hebrews 1 & 13, and who "changeth not", per Malachi 3:6.
The very same Jesus that rested the 7th day in Creation, per Genesis 2:1-3, Exodus 20:8-11, etc.
The very same Jesus that rested the 7th day in His death, per the Gospels.
The very same Jesus which in the times of ignorance regarding His Holy Law and Day, now "commandeth all men everywhere to repent" of transgression in/of it, per Acts 17:30.
The very same Jesus that sent His angels, and signified the messages of Revelation 14:6-12, 18:1-5, saying "worship him that made heaven, and earth, and the sea, and the fountains of waters", citing Exodus 20:11.