The Sabbath: Divine Worship to be Celebrated On
Source: TTT
Ezekiel 46:3
On the Sabbaths and New Moons the people of the land are also to bow in worship before the LORD at the entrance to that gateway.
Acts 16:13
On the Sabbath we went outside the city gate along the river, where it was customary to find a place of prayer. After sitting down, we spoke to the women who had gathered there.