'Sabbath day' in the Bible

Then they returned to Jerusalem from the mount called Olivet, which is near Jerusalem, a sabbath-day's journey.

But having passed through from Perga, they came to Antioch in Pisidia; and on the sabbath-day they went into the synagogue, and sat down.

For those who dwell in Jerusalem, and their rulers, be cause they did not know him, nor the words of the prophets, which are read every sabbath-day, have fulfilled them in condemning him.

And on the next sabbath-day, almost the whole city met together to hear the word of God.

For, from ancient times, Moses has, in every city, those who preach him, being read in the synagogue every sabbath-day.

and on the sabbath-day we went out of the city to the side of a river, where, as usual, was the house of prayer; and we sat down and spoke to the women who had come together.