Ezekiel 45:18

Thus hath the Lord GOD said: In the first month, in the first day of the month, thou shalt take a young bullock, without blemish, and remove the sin from the sanctuary.

Leviticus 16:16

and he shall cleanse the sanctuary of the uncleanness of the sons of Israel and of their rebellions and of all their sins; in the same manner so shall he do for the tabernacle of the testimony, which dwells among them in the midst of their uncleanness.

Exodus 12:2

This month shall be unto you the beginning of the months; it shall be the first month of the year to you.

Leviticus 16:33

and he shall reconcile the holy sanctuary and reconcile the tabernacle of the testimony; he shall also reconcile the altar and the priests and all the people of the congregation.

Leviticus 22:20

But ye shall not offer any thing that has a blemish, for it shall not be acceptable for you.

Ezekiel 43:22

And on the second day thou shalt offer a he goat without blemish as sin; and they shall remove the sin from the altar, as they removed it with the bullock.

Hebrews 9:14

how much more shall the blood of the Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from the works of death to serve the living God?

Ezekiel 43:26

Seven days shall they atone the altar, and they shall cleanse it; and they shall extend their hands.

Numbers 28:11-15

And in the beginnings of your months ye shall offer a burnt offering unto the LORD: two young bullocks, and one ram, seven lambs of the first year without spot;

Matthew 6:33

But seek ye first the kingdom of God and his righteousness, and all these things shall be added unto you.

Hebrews 7:26

For it was expedient that we have such a high priest, who is holy, innocent, undefiled, separate from sinners, and made higher than the heavens,

Hebrews 9:22-25

And almost all things are by the law purged with blood, and without shedding of blood there is no remission.

Hebrews 10:3-4

But in these sacrifices each year the same remembrance of sins is made.

Hebrews 10:19-22

Having therefore, brethren, boldness to enter into the sanctuary by the blood of Jesus,

1 Peter 1:19

but with the precious blood of the Christ, as of a lamb without blemish and without contamination,

Treasury of Scripture Knowledge

Summary

Thus saith the Lord GOD; In the first month, in the first day of the month, thou shalt take a young bullock without blemish, and cleanse the sanctuary:

Bible References

In the first month

Exodus 12:2
This month shall be unto you the beginning of the months; it shall be the first month of the year to you.
Numbers 28:11
And in the beginnings of your months ye shall offer a burnt offering unto the LORD: two young bullocks, and one ram, seven lambs of the first year without spot;
Matthew 6:33
But seek ye first the kingdom of God and his righteousness, and all these things shall be added unto you.

Without blemish

Leviticus 22:20
But ye shall not offer any thing that has a blemish, for it shall not be acceptable for you.
Hebrews 7:26
For it was expedient that we have such a high priest, who is holy, innocent, undefiled, separate from sinners, and made higher than the heavens,
Hebrews 9:14
how much more shall the blood of the Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from the works of death to serve the living God?
1 Peter 1:19
but with the precious blood of the Christ, as of a lamb without blemish and without contamination,

And cleanse

Ezekiel 43:22
And on the second day thou shalt offer a he goat without blemish as sin; and they shall remove the sin from the altar, as they removed it with the bullock.
Leviticus 16:16
and he shall cleanse the sanctuary of the uncleanness of the sons of Israel and of their rebellions and of all their sins; in the same manner so shall he do for the tabernacle of the testimony, which dwells among them in the midst of their uncleanness.
Hebrews 9:22
And almost all things are by the law purged with blood, and without shedding of blood there is no remission.
Hebrews 10:3
But in these sacrifices each year the same remembrance of sins is made.