'Sabbath day' in the Bible

Then they returned to Jerusalem from the mount called the Mount of Olives, which is near Jerusalem—a Sabbath day’s journey away.

and they having gone through from Perga, came to Antioch of Pisidia, and having gone into the synagogue on the sabbath-day, they sat down,

For they that dwell at Jerusalem, and their rulers, because they knew him not, nor yet the voices of the prophets which are read every sabbath day, they have fulfilled them in condemning him.

As Paul and Barnabas left [the synagogue], the people urged them to speak [more] about this message the next Sabbath day.

And the next sabbath day came almost the whole city together to hear the word of God.

For since ancient times, Moses has had those who proclaim him in every city, and every Sabbath day he is read aloud in the synagogues.”

on the sabbath-day also we went forth outside of the city, by a river, where there used to be prayer, and having sat down, we were speaking to the women who came together,

He therefore disputed in the synagogue with the Jews and other devout persons on the sabbath-day, and with whomsoever he met in public every day.

And he preached in the synagogue every Sabbath day; And exhorted the Jews and the gentiles.

And on the morrow after the Sabbath day the disciples came together for to break bread, and Paul preached unto them, ready to depart on the morrow; and continued the preaching unto midnight.