Leviticus 9:1

And on the eighth day Moses sent for Aaron and his sons and the responsible men of Israel;

Leviticus 8:33

And you are not to go out from the door of the Tent of meeting for seven days, till the days for making you priest are ended; for this will be the work of seven days.

Leviticus 14:10

And on the eighth day let him take two male lambs, without any marks on them, and one female lamb of the first year, without a mark, and three tenth parts of an ephah of the best meal, mixed with oil, and one log of oil.

Leviticus 14:23

And on the eighth day he will take them to the priest, to the door of the Tent of meeting before the Lord, so that he may be made clean.

Leviticus 15:14

And on the eighth day he is to take two doves or two young pigeons and come before the Lord to the door of the Tent of meeting and give them to the priest:

Leviticus 15:29

And on the eighth day let her get two doves or two young pigeons and take them to the priest to the door of the Tent of meeting,

Numbers 6:10

And on the eighth day let him take to the priest, at the door of the Tent of meeting, two doves or two young pigeons;

Ezekiel 43:26-27

For seven days they are to make offerings to take away sin from the altar and to make it clean; so they are to make it holy.

Matthew 28:1

Now late on the Sabbath, when the dawn of the first day of the week was near, Mary Magdalene and the other Mary came to see the place where his body was.

Treasury of Scripture Knowledge

Summary

And it came to pass on the eighth day, that Moses called Aaron and his sons, and the elders of Israel;

Bible References

The eighth day

Leviticus 12:2
Say to the children of Israel, If a woman is with child and gives birth to a male child, she will be unclean for seven days, as when she is unwell.
Numbers 6:9
If death comes suddenly to a man at his side, so that he becomes unclean, let his hair be cut off on the day when he is made clean, on the seventh day.
Numbers 14:10
But all the people said they were to be stoned. Then the glory of the Lord was seen in the Tent of meeting, before the eyes of all the children of Israel.
Numbers 15:14
And if a man from another country or any other person living among you, through all your generations, has the desire to give an offering made by fire of a sweet smell to the Lord, let him do as you do.
Numbers 6:10
And on the eighth day let him take to the priest, at the door of the Tent of meeting, two doves or two young pigeons;
Ezekiel 43:26
For seven days they are to make offerings to take away sin from the altar and to make it clean; so they are to make it holy.
Matthew 28:1
Now late on the Sabbath, when the dawn of the first day of the week was near, Mary Magdalene and the other Mary came to see the place where his body was.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain