1 Chronicles 23:31
And to offer all burnt-sacrifices to the LORD on the sabbaths, in the new moons, and on the set feasts, by number, according to the order commanded to them, continually before the LORD:
Isaiah 1:13-14
Bring no more vain oblations; incense is an abomination to me; the new moons and sabbaths, the calling of assemblies, I cannot endure; it is iniquity, even the solemn meeting.
Leviticus 23:1-17
And the LORD spoke to Moses, saying,
Leviticus 23:24
Speak to the children of Israel, saying, In the seventh month, in the first day of the month, shall ye have a sabbath, a memorial of blowing of trumpets, a holy convocation.
Leviticus 23:39
Also in the fifteenth day of the seventh month, when ye have gathered in the fruit of the land, ye shall keep a feast to the LORD 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, ye shall blow with the trumpets over your burnt-offerings, and over the sacrifices of your peace-offerings; that they may be to you for a memorial before your God: I am the LORD your God.
Numbers 28:1-29
And the LORD spoke to Moses, saying,
Psalm 81:1-4
To the chief Musician upon Gittith, A Psalm of Asaph. Sing aloud to God our strength: make a joyful noise to the God of Jacob.