1 Chronicles 23:31
And to offer all burnt sacrifices unto the LORD on the sabbaths, on the new moons, and on the set feasts, by number, according to that required of them, continually before the LORD:
Isaiah 1:13-14
Bring no more vain offerings; incense is an abomination unto 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 unto Moses, saying,
Leviticus 23:24
Speak unto the children of Israel, saying, In the seventh month, in the first day of the month, shall you 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 you have gathered in the fruit of the land, you shall keep a feast unto 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, you 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 unto Moses, saying,
Psalm 81:1-4
[To the Chief Musician upon gittith. A Psalm of Asaph.] Sing aloud unto God our strength: make a joyful noise unto the God of Jacob.