1 Chronicles 23:31

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:

Isaiah 1:13-14

Bring no more vain oblations; incense is an abomination unto me; the new moons and sabbaths, the calling of assemblies, I cannot away with; it is iniquity, even the solemn meeting.

Leviticus 23:1-17

And the LORD spake 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 ye have a sabbath, a memorial of blowing of trumpets, an 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 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, 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 spake 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.

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 unto 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, an holy convocation.
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.
Psalm 81:1
{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.
Isaiah 1:13
Bring no more vain oblations; incense is an abomination unto me; the new moons and sabbaths, the calling of assemblies, I cannot away with; it is iniquity, even the solemn meeting.

Set feasts

Leviticus 23:1
And the LORD spake unto Moses, saying,

General references

Ezekiel 44:14
But I will make them keepers of the charge of the house, for all the service thereof, and for all that shall be done therein.

King James Version Public Domain