'Sabbath Day' in the Bible

Then they went back to Jerusalem from the mountain named Olivet, which is near Jerusalem, a Sabbath day's journey away.

For the men of Jerusalem and their rulers, having no knowledge of him, or of the sayings of the prophets which come to their ears every Sabbath day, gave effect to them by judging him.

And Paul, as he generally did, went in to them, and on three Sabbath days had discussions with them from the holy Writings,