1 Chronicles 23:31 in the World English Bible
and to offer all burnt offerings to the LORD on the Sabbaths, on the new moons, and on the set feasts, in number according to the ordinance concerning them, continually before the LORD;
Context
30 And to stand every morning to thank and praise the LORD, and likewise at even;
31 And to offer all burnt sacrifices unto the LORD in the sabbaths, in the new moons, and on the set feasts, by number, according to the order commanded unto them, continually before the LORD:
32 And that they should keep the charge of the tabernacle of the congregation, and the charge of the holy place, and the charge of the sons of Aaron their brethren, in the service of the house of the LORD.