'Sabbath Day' in the Bible

Now Jesus came to Nazareth, where he had been brought up, and went into the synagogue on the Sabbath day, as was his custom. He stood up to read,

But the president of the synagogue, indignant because Jesus had healed on the Sabbath, said to the crowd, "There are six days on which work should be done! So come and be healed on those days, and not on the Sabbath day."

Then shouldn't this woman, a daughter of Abraham whom Satan bound for eighteen long years, be released from this imprisonment on the Sabbath day?"

Then he said to them, "Which of you, if you have a son or an ox that has fallen into a well on a Sabbath day, will not immediately pull him out?"

Then they returned to Jerusalem from the mountain called the Mount of Olives (which is near Jerusalem, a Sabbath day's journey away).

Moving on from Perga, they arrived at Pisidian Antioch, and on the Sabbath day they went into the synagogue and sat down.

On the Sabbath day we went outside the city gate to the side of the river, where we thought there would be a place of prayer, and we sat down and began to speak to the women who had assembled there.

Paul went to the Jews in the synagogue, as he customarily did, and on three Sabbath days he addressed them from the scriptures,

Therefore do not let anyone judge you with respect to food or drink, or in the matter of a feast, new moon, or Sabbath days --