'Sabbath' in the Bible
That day was a Sabbath. So the Jews said to the man who had been cured, "It is the Sabbath: you must not carry your mat."
and on this account the Jews began to persecute Jesus--because He did these things on the Sabbath.
On this account then the Jews were all the more eager to put Him to death--because He not only broke the Sabbath, but also spoke of God as being in a special sense His Father, thus putting Himself on a level with God.
If a child is circumcised even on a Sabbath day, are you bitter against me because I have restored a man to perfect health on a Sabbath day?
Now the day on which Jesus made the clay and opened the man's eyes was the Sabbath.
This led some of the Pharisees to say, "That man has not come from God, for he does not keep the Sabbath." "How is it possible for a bad man to do such miracles?" argued others.
Meanwhile the Jews, because it was the day of Preparation for the Passover, and in order that the bodies might not remain on the crosses during the Sabbath (for that Sabbath was one of special solemnity)