Do the Scriptures say that the Creator blessed the Sabbath?  Yes!  Genesis 2:3
Do they say that He blessed Sunday?  No!
Do they say that He hallowed the Sabbath?  Yes!  Exodus 20:11
Do they say that He hallowed Sunday?  No!
Do they say that He commanded the keeping of the Sabbath?  Yes!  Exodus 20:8-11
Do they say that He commands the keeping of Sunday?  No!
Do they say that He rested on the Sabbath?  Yes!  Exodus 20:11
Do they say that He rested on Sunday?  No!
Do they say that He calls the Sabbath His Holy Day?  Yes!  Isaiah 58:13
Do they say that He calls Sunday His Holy Day?  No!
Do they say that He offers great reward to you for keeping holy the Sabbath?  Yes!  Isaiah 58:13-14
Do they say that He offers great reward to you for keeping Sunday holy?  No!
Do they say that the Sabbath will be kept in the new earth?  Yes!  Isaiah 66:23
Do they say that Sunday will be kept in the new earth?  No!
Do they say for saints to pray about the Sabbath?  Yes!  Matthew 24:20
Do they say for saints to pray about Sunday?  No!
Do they say that the holy women kept the Sabbath according to the commandments?  Yes!  Luke 23:56
Do they say that the holy women kept Sunday according to the commandments?  No!
Do they say it was the Savior's custom to keep the Sabbath?  Yes!  Luke 4:16
Do they say it was the Savior's custom to keep Sunday?  No!
Do they say it was Paul's "manner" to worship on Sabbath?  Yes!  Acts 17:2
Do they say it was Paul's "manner" to worship on Sunday?  No!
Do they say that people were punished for Sabbath breaking?  Yes!  Jeremiah 17:27
Do they say that people were punished for Sunday breaking?   No!
Do they say some power would think to change Divine time?  Yes!  Daniel 7:25
Do they say that the Almighty will ever change?  No!  Malachi 3:6
Do they say that those who keep the commandments of the Almighty are blessed?  Yes!  Revelation 22:14
Do they say that those who keep the traditions of men are blessed?  No!  Matthew 15:3
Do they say that the Law would not be abolished by Messiah?  Yes!  Matthew 5:17
Do they say that Messiah would abolish His Laws?   No!
Do they say there are six working days?  Yes!   Ezekiel 46:1
Do they say the Sabbath is one of these working days?  No!  Exodus 20:8-11
Do they say that Paul made tents on the six working days?  Yes!  Acts 18:3
Do they say Paul made tents on the Sabbath?  No!  Acts 18:4
Do they say the Sabbath is a sign of our sanctification?  Yes!  Ezekiel 20:12
Do they say Sunday is a sign of our sanctification?   No!
Do they say that the Savior is the Master (Ruler or Owner) of the Sabbath?  Yes!  Mark 2:28
Do they say that the Savior is the Ruler, or Master, of Sunday?  No!
Do they say that teaching for doctrines the commandments of men is vain worship?  Yes!  Matthew 15:9
Do they say that teaching for doctrines the commandments of the Almighty is vain worship?  No!  Matthew 19:17
Do they say that we are not under the Law but under Grace?  Yes!  Romans 6:14
Do they say that Grace allows us to transgress the Law?  No!  Romans 6:15; 3:20
Do they say that Faith established the Law?  Yes!  Romans 3:31
Do they say that Faith annuls the Law?  No!
Do they say that we should teach observance of the Law?  Yes!  Matthew 5:19
Do they say that we should teach others to break the Law?  No!
 

To this day, Saturday is still named 'Sabbath' in the Greek language ('Sabato')

as well as in Spanish, Portuguese, Italian and others!!