Leviticus Chapter 23 Verse 2Speak unto the children of Israel, and say unto them, [Concerning] the feasts of the LORD, which ye shall proclaim [to be] holy convocations, [even] these [are] my feasts.

Neither from a stranger's hand shall ye offer the bread of your God of any of these; because their corruption [is] in them, [and] blemishes [be] in them: they shall not be accepted for you.

And the LORD spake unto Moses, saying,

When a bullock, or a sheep, or a goat, is brought forth, then it shall be seven days under the dam; and from the eighth day and thenceforth it shall be accepted for an offering made by fire unto the LORD.

And [whether it be] cow or ewe, ye shall not kill it and her young both in one day.

And when ye will offer a sacrifice of thanksgiving unto the LORD, offer [it] at your own will.

On the same day it shall be eaten up; ye shall leave none of it until the morrow: I [am] the LORD.

Therefore shall ye keep my commandments, and do them: I [am] the LORD.

Neither shall ye profane my holy name; but I will be hallowed among the children of Israel: I [am] the LORD which hallow you,

That brought you out of the land of Egypt, to be your God: I [am] the LORD.

And the LORD spake unto Moses, saying,

Six days shall work be done: but the seventh day [is] the sabbath of rest, an holy convocation; ye shall do no work [therein]: it [is] the sabbath of the LORD in all your dwellings.

These [are] the feasts of the LORD, [even] holy convocations, which ye shall proclaim in their seasons.

In the fourteenth [day] of the first month at even [is] the LORD'S passover.

And on the fifteenth day of the same month [is] the feast of unleavened bread unto the LORD: seven days ye must eat unleavened bread.

In the first day ye shall have an holy convocation: ye shall do no servile work therein.

But ye shall offer an offering made by fire unto the LORD seven days: in the seventh day [is] an holy convocation: ye shall do no servile work [therein].

And the LORD spake unto Moses, saying,

Speak unto the children of Israel, and say unto them, When ye be come into the land which I give unto you, and shall reap the harvest thereof, then ye shall bring a sheaf of the firstfruits of your harvest unto the priest:

And he shall wave the sheaf before the LORD, to be accepted for you: on the morrow after the sabbath the priest shall wave it.

And ye shall offer that day when ye wave the sheaf an he lamb without blemish of the first year for a burnt offering unto the LORD.

The Book of Leviticus, Chapter 23, Verse 2