Numbers 29:1-6
“On the first day of the seventh month, you are to hold a sacred assembly, and you must not do any regular work. This will be a day for you to sound the trumpets. / As a pleasing aroma to the LORD, you are to present a burnt offering of one young bull, one ram, and seven male lambs a year old, all unblemished, / together with their grain offerings of fine flour mixed with oil—three-tenths of an ephah with the bull, two-tenths of an ephah with the ram, ...

Numbers 10:10
And on your joyous occasions, your appointed feasts, and the beginning of each month, you are to blow the trumpets over your burnt offerings and peace offerings to serve as a reminder for you before your God. I am the LORD your God.”

Numbers 28:11-15
At the beginning of every month, you are to present to the LORD a burnt offering of two young bulls, one ram, and seven male lambs a year old, all unblemished, / along with three-tenths of an ephah of fine flour mixed with oil as a grain offering with each bull, two-tenths of an ephah of fine flour mixed with oil as a grain offering with the ram, / and a tenth of an ephah of fine flour mixed with oil as a grain offering with each lamb. This is a burnt offering, a pleasing aroma, a food offering to the LORD. ...

Isaiah 1:13-14
Bring your worthless offerings no more; your incense is detestable to Me. New Moons, Sabbaths, and convocations—I cannot endure iniquity in a solemn assembly. / I hate your New Moons and your appointed feasts. They have become a burden to Me; I am weary of bearing them.

Amos 5:21-23
“I hate, I despise your feasts! I cannot stand the stench of your solemn assemblies. / Even though you offer Me burnt offerings and grain offerings, I will not accept them; for your peace offerings of fattened cattle I will have no regard. / Take away from Me the noise of your songs! I will not listen to the music of your harps.

1 Chronicles 23:31
Whenever burnt offerings were presented to the LORD on the Sabbaths, New Moons, and appointed feasts, they were to serve regularly before the LORD in the numbers prescribed for them.

2 Chronicles 2:4
Behold, I am about to build a house for the Name of the LORD my God to dedicate to Him for burning fragrant incense before Him, for displaying the showbread continuously, and for making burnt offerings every morning and evening as well as on the Sabbaths, New Moons, and appointed feasts of the LORD our God. This is ordained for Israel forever.

2 Chronicles 8:13
He observed the daily requirement for offerings according to the commandment of Moses for Sabbaths, New Moons, and the three annual appointed feasts—the Feast of Unleavened Bread, the Feast of Weeks, and the Feast of Tabernacles.

Nehemiah 10:33
for the showbread, for the regular grain offerings and burnt offerings, for the Sabbath offerings, for the New Moons and appointed feasts, for the holy offerings, for the sin offerings to make atonement for Israel, and for all the duties of the house of our God.

Psalm 81:3
Sound the ram’s horn at the New Moon, and at the full moon on the day of our Feast.

Colossians 2:16-17
Therefore let no one judge you by what you eat or drink, or with regard to a feast, a New Moon, or a Sabbath. / These are a shadow of the things to come, but the body that casts it belongs to Christ.

Hebrews 10:1
For the law is only a shadow of the good things to come, not the realities themselves. It can never, by the same sacrifices offered year after year, make perfect those who draw near to worship.

Romans 14:5-6
One person regards a certain day above the others, while someone else considers every day alike. Each one should be fully convinced in his own mind. / He who observes a special day does so to the Lord; he who eats does so to the Lord, for he gives thanks to God; and he who abstains does so to the Lord and gives thanks to God.

Galatians 4:9-10
But now that you know God, or rather are known by God, how is it that you are turning back to those weak and worthless principles? Do you wish to be enslaved by them all over again? / You are observing special days and months and seasons and years!

Matthew 5:17
Do not think that I have come to abolish the Law or the Prophets. I have not come to abolish them, but to fulfill them.