Ezekiel 45:18

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:

Leviticus 16:16

And he shall make an atonement for the holy place, because of the uncleanness of the children of Israel, and because of their transgressions in all their sins: and so shall he do for the tabernacle of the congregation, that remaineth among them in the midst of their uncleanness.

Exodus 12:2

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

Leviticus 16:33

And he shall make an atonement for the holy sanctuary, and he shall make an atonement for the tabernacle of the congregation, and for the altar, and he shall make an atonement for the priests, and for all the people of the congregation.

Leviticus 22:20

But whatsoever hath a blemish, that shall ye not offer: for it shall not be acceptable for you.

Ezekiel 43:22

And on the second day thou shalt offer a kid of the goats without blemish for a sin offering; and they shall cleanse the altar, as they did cleanse it with the bullock.

Hebrews 9:14

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

Ezekiel 43:26

Seven days shall they purge the altar and purify it; and they shall consecrate themselves.

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 such an high priest became us, who is holy, harmless, 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 is no remission.

Hebrews 10:3-4

But in those sacrifices there is a remembrance again made of sins every year.

Hebrews 10:19-22

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

1 Peter 1:19

But with the precious blood of Christ, as of a lamb without blemish and without spot:

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 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 whatsoever hath a blemish, that shall ye not offer: for it shall not be acceptable for you.
Hebrews 7:26
For such an high priest became us, who is holy, harmless, undefiled, separate from sinners, and made higher than the heavens;
Hebrews 9:14
How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?
1 Peter 1:19
But with the precious blood of Christ, as of a lamb without blemish and without spot:

And cleanse

Ezekiel 43:22
And on the second day thou shalt offer a kid of the goats without blemish for a sin offering; and they shall cleanse the altar, as they did cleanse it with the bullock.
Leviticus 16:16
And he shall make an atonement for the holy place, because of the uncleanness of the children of Israel, and because of their transgressions in all their sins: and so shall he do for the tabernacle of the congregation, that remaineth 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 is no remission.
Hebrews 10:3
But in those sacrifices there is a remembrance again made of sins every year.

King James Version Public Domain