the eighth day. not on the eighth day of the month, but on the eighth day after their consecration, which occupied seven days, and before which they were deemed unfit to minister in holy things, being considered in a state of imperfection. All creatures, for the most part, were considered as in a state of uncleanness and imperfection, {seven} days, and perfected on the {eighth}

Leviticus 12:2,3 Speak to the children of Israel, saying, If a woman have conceived seed, and born a man child: then she shall be unclean seven days...

Leviticus 14:8-10 And he that is to be cleansed shall wash his clothes, and shave off all his hair, and wash himself in water, that he may be clean...

Leviticus 15:13,14 And when he that has an issue is cleansed of his issue; then he shall number to himself seven days for his cleansing...

Leviticus 22:27 When a bullock, or a sheep, or a goat, is brought forth, then it shall be seven days under the dam...

Numbers 6:9,10 And if any man die very suddenly by him, and he has defiled the head of his consecration...

Numbers 14:10,23 But all the congregation bade stone them with stones...

Numbers 15:14,29 And if a stranger sojourn with you, or whoever be among you in your generations, and will offer an offering made by fire...

Numbers 6:10 And on the eighth day he shall bring two turtles, or two young pigeons, to the priest...

Ezekiel 43:26,27 Seven days shall they purge the altar and purify it; and they shall consecrate themselves...

Matthew 28:1 In the end of the sabbath, as it began to dawn toward the first day of the week...