'Sabbath day' in the Bible

Then they returned to Jerusalem from the mount Of Olive Grove, which is a sabbath day's journey from Jerusalem.

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

And on the coming sabbath day almost all the city came together to hear the Word of God.

For Moses from ages past has those in every city proclaiming him, being read in the synagogues every sabbath day.