Numbers 28:9
"On the Sabbath day, two male lambs a year old without blemish, and two tenths of an ephah of fine flour for a grain offering, mixed with oil, and its drink offering:
Exodus 20:8-11
"Remember the Sabbath day, to keep it holy.
Psalm 92:1-4
It is good to give thanks to the LORD, to sing praises to your name, O Most High;
Isaiah 58:13
"If you turn back your foot from the Sabbath, from doing your pleasure on my holy day, and call the Sabbath a delight and the holy day of the LORD honorable; if you honor it, not going your own ways, or seeking your own pleasure, or talking idly;
Ezekiel 20:12
Moreover, I gave them my Sabbaths, as a sign between me and them, that they might know that I am the LORD who sanctifies them.
Revelation 1:10
I was in the Spirit on the Lord's day, and I heard behind me a loud voice like a trumpet