The Sabbath has been a topic of controversy ever since the New Covenant or Testament, whichever you prefer to call it.
I believe there to b.
If in the New Covenant it remained on Saturday or was changed to Sunday, it would end a lot of debate as to which day during the era of the New Covenant if it was plainly indicated.
He said the Sabbath was on the seventh day, which is Saturday.
One reason is in the Old Covenant, there was no question, Elohim (God) made it very clear and very simple.
The Sabbath has been a topic of controversy ever since the New Covenant or Testament, whichever you prefer to call it