1 Chronicles 23:31
And they were to offer all burnt sacrifices to Jehovah in the sabbath, in the new moons, and on the set feasts, by number, according to the order commanded to them, continually before Jehovah,
Isaiah 1:13-14
Bring no more vain sacrifice; incense is an abomination to Me; the new moon and sabbath, the going to meeting; I cannot endure evil and the assembly!
Leviticus 23:1-17
And Jehovah spoke to Moses, saying,
Leviticus 23:24
Speak to the sons of Israel saying: In the seventh month, in the first day of the month, you shall have a sabbath, a memorial summons, a holy convocation.
Leviticus 23:39
Also in the fifteenth day of the seventh month, when you have gathered in the fruit of the land, you shall keep a feast to Jehovah seven days. On the first day shall be a sabbath, and on the eighth day shall be a sabbath.
Numbers 10:10
Also in the day of your gladness, and in your solemn days, and in the beginnings of your months, you shall blow with the trumpets over your burnt offerings, and over the sacrifices of your peace offerings. And they shall be to you for a memorial before Jehovah. I am Jehovah your God.
Numbers 28:1-29
And Jehovah spoke to Moses, saying,
Psalm 81:1-4
To the Chief Musician. On Gittith, A Psalm of Asaph. Sing aloud to God our strength; shout for joy to the God of Jacob.