Ezekiel 45:18

Thus says the Lord Yahweh: 'On the first [month] on the first [day] of the month, you shall take a bull, {a calf} without defect, and you shall purify the sanctuary.

Leviticus 16:16

Thus he shall make atonement for the sanctuary from the {Israelites}' impurities and from their transgressions for all their sins; and so he must do for [the] tent of assembly, which dwells with them in the midst of their impurities.

Exodus 12:2

"This month [will be] the beginning of months; it [will be] for you the first of the months of the year.

Leviticus 16:33

and he shall make atonement for the sanctuary's holy place, and he shall make atonement for [the] tent of assembly and the altar, and he shall make atonement for the priests and for all of the assembly's people.

Leviticus 22:20

You shall not present any [animal] in which [is] a physical defect, because it shall not be {acceptable} for you.

Ezekiel 43:22

And on the second day you must offer a he-goat without defect as sin offering, and they must purify the altar {like} they purified with the bull.

Hebrews 9:14

how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, cleanse our consciences from dead works to serve [the] living God?

Ezekiel 43:26

Seven days they must purify the altar and they must cleanse it and [so] {they will consecrate it}.

Numbers 28:11-15

" 'And at the beginning of each of your months, you will present a burnt offering for Yahweh: two bulls and one ram, seven male lambs without defect {in their first year};

Matthew 6:33

But seek first his kingdom and righteousness, and all these [things] will be added to you.

Hebrews 7:26

For a high priest such as this indeed is fitting for us, holy, innocent, undefiled, separated from sinners, and having become exalted [above] the heavens,

Hebrews 9:22-25

Indeed, nearly everything is purified with blood according to the law, and apart from the shedding of blood there is no forgiveness.

Hebrews 10:3-4

But in them [there is] a reminder of sins {year by year}.

Hebrews 10:19-22

Therefore, brothers, [since we] have confidence for the entrance into the sanctuary by the blood of Jesus,

1 Peter 1:19

but with the precious blood of Christ, like [that of] an unblemished and spotless lamb

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 [will be] the beginning of months; it [will be] for you the first of the months of the year.
Numbers 28:11
" 'And at the beginning of each of your months, you will present a burnt offering for Yahweh: two bulls and one ram, seven male lambs without defect {in their first year};
Matthew 6:33
But seek first his kingdom and righteousness, and all these [things] will be added to you.

Without blemish

Leviticus 22:20
You shall not present any [animal] in which [is] a physical defect, because it shall not be {acceptable} for you.
Hebrews 7:26
For a high priest such as this indeed is fitting for us, holy, innocent, undefiled, separated from sinners, and having become exalted [above] the heavens,
Hebrews 9:14
how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, cleanse our consciences from dead works to serve [the] living God?
1 Peter 1:19
but with the precious blood of Christ, like [that of] an unblemished and spotless lamb

And cleanse

Ezekiel 43:22
And on the second day you must offer a he-goat without defect as sin offering, and they must purify the altar {like} they purified with the bull.
Leviticus 16:16
Thus he shall make atonement for the sanctuary from the {Israelites}' impurities and from their transgressions for all their sins; and so he must do for [the] tent of assembly, which dwells with them in the midst of their impurities.
Hebrews 9:22
Indeed, nearly everything is purified with blood according to the law, and apart from the shedding of blood there is no forgiveness.
Hebrews 10:3
But in them [there is] a reminder of sins {year by year}.