The Book of Debarim (Deut), chapter 4 gives every TRUTH-Seeking Believer CLEAR INSIGHT as to what we should do to GUARD COVENANT with our Creator and Father YHUH.
Let's have a look at a couple of verses from this passage of Scripture . . .
“See, I have taught you laws and right-rulings, as YHUH my Elohim commanded me, to do thus in the land which you go to possess. “And you shall GUARD and DO them, for this is your WISDOM and your UNDERSTANDING before the eyes of the peoples who hear all these laws, and they shall say, ‘Only a wise and understanding people is this great nation!’
"And He MADE KNOWN to you HIS COVENANT which He commanded you to do, the TEN Words (Commandments), and He wrote them on two tablets of stone".
These ten COVENANT WORDS (Commandments) are our "VOWS" to YHUH - to guard His Covenant.
It includes the 4th COMMANDMENT . . .
Keep the 7th DAY SABBATH SET APART (no work or trading on this day)!
(See Gen 2:2-3, making it CLEAR that the 7th-day (gregorian sat-day), is the SABBATH DAY).
(See Exo 20:8-11; Deu 5:12-15 and Eze 46:1; Amo 8:5)
SEVEN (7) Times in this one passage of Scripture from Debarim 4, we are COMMANDED to GUARD COVENANT with Father YHUH
(Deut 4:2, 6, 9, 13, 15, 23 and verse 40)!
The Sabbath is to be set-apart on a recurring seven-day cycle - which happens to fall on a (gregorian sat-day). This does NOT mean we observe a gregorian calendar - we observe Yahuah's Calendar, and His alone!
Love you all - have a blessed day of rest, study and fellowship :-)