'Sabbath day' in the Bible

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

And departing from Perga, they came to Antioch in Pisidia; and going into the synagogue on the sabbath-day, they sat down.

For they that dwell at Jerusalem, and their rulers, neither knowing him, nor the sayings of the prophets, which are read very sabbath-day, have fulfilled them, in condemning him.

For Moses hath of old time them that preach him in every city, being read in the synagogues every sabbath-day.