1 Chronicles 23:31

and to offer all burnt offerings to the Lord, on the sabbaths, the new moons and the fixed festivals in the number set by the ordinance concerning them, continually before the Lord.

Isaiah 1:13-14

“Bring your worthless offerings no longer,
Incense is an abomination to Me.
New moon and sabbath, the calling of assemblies—
I cannot endure iniquity and the solemn assembly.

Leviticus 23:1-17

The Lord spoke again to Moses, saying,

Leviticus 23:24

“Speak to the sons of Israel, saying, ‘In the seventh month on the first of the month you shall have a rest, a reminder by blowing of trumpets, a holy convocation.

Leviticus 23:39

‘On exactly the fifteenth day of the seventh month, when you have gathered in the crops of the land, you shall celebrate the feast of the Lord for seven days, with a rest on the first day and a rest on the eighth day.

Numbers 10:10

Also in the day of your gladness and in your appointed feasts, and on the first days of your months, you shall blow the trumpets over your burnt offerings, and over the sacrifices of your peace offerings; and they shall be as a reminder of you before your God. I am the Lord your God.”

Numbers 28:1-29

Then the Lord spoke to Moses, saying,

Psalm 81:1-4

For the choir director; on the Gittith. A Psalm of Asaph.
Sing for joy to God our strength;
Shout joyfully to the God of Jacob.

Treasury of Scripture Knowledge

Summary

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:

Set feasts

General references

Bible References

In the sabbaths

Leviticus 23:24
“Speak to the sons of Israel, saying, ‘In the seventh month on the first of the month you shall have a rest, a reminder by blowing of trumpets, a holy convocation.
Numbers 10:10
Also in the day of your gladness and in your appointed feasts, and on the first days of your months, you shall blow the trumpets over your burnt offerings, and over the sacrifices of your peace offerings; and they shall be as a reminder of you before your God. I am the Lord your God.”
Psalm 81:1
For the choir director; on the Gittith. A Psalm of Asaph.
Sing for joy to God our strength;
Shout joyfully to the God of Jacob.
Isaiah 1:13
“Bring your worthless offerings no longer,
Incense is an abomination to Me.
New moon and sabbath, the calling of assemblies—
I cannot endure iniquity and the solemn assembly.

Set feasts

Leviticus 23:1
The Lord spoke again to Moses, saying,

General references

Ezekiel 44:14
Yet I will appoint them to keep charge of the house, of all its service and of all that shall be done in it.