Leviticus 23:10-16

10Speak to the people of Israel and say to them, aWhen you come into the land that I give you and reap its harvest, you shall bring the sheaf of bthe firstfruits of your harvest to the priest, 11and he shall cwave the sheaf before the Lord, so that you may be accepted. On the day after the Sabbath the priest shall wave it. 12And on the day when you dwave the sheaf, you shall offer a emale lamb a year old without blemish as a burnt offering to the Lord. 13 fAnd the grain offering with it shall be two tenths of an ephah
An  ephah was about 3/5 bushel or 22 liters
of fine flour mixed with oil, a food offering to the Lord with a pleasing aroma, hand the drink offering with it shall be of wine, a fourth of a hin.
A  hin was about 4 quarts or 3.5 liters
14And you shall eat neither bread nor grain jparched or kfresh until this same day, until you have brought the offering of your God: it is a statute forever throughout your generations in all your dwellings.

The Feast of Weeks

15 l“You shall count seven full weeks from the day after the Sabbath, from the day that you brought the sheaf of the mwave offering. 16You shall count nfifty days to the day after the seventh Sabbath. Then you shall present a grain offering of onew grain to the Lord.

Deuteronomy 16:1-9

Passover

1Observe the pmonth of Abib and keep the Passover to the Lord your God, for qin the month of Abib the Lord your God brought you out of Egypt by night. 2And you shall offer the Passover sacrifice to the Lord your God, from the flock or rthe herd, sat the place that the Lord will choose, to make his name dwell there. 3You shall eat no leavened bread with it. tSeven days you shall eat it with unleavened bread, the bread of afflictionfor you came out of the land of Egypt uin hastethat all the days of your life you may remember the day when you came out of the land of Egypt. 4 vNo leaven shall be seen with you in all your territory for seven days, wnor shall any of the flesh that you sacrifice on the evening of the first day remain all night until morning. 5You may not offer the Passover sacrifice within any of your towns that the Lord your God is giving you, 6but at the place that the Lord your God will choose, to make his name dwell in it, there you shall offer the Passover sacrifice, in the evening at sunset, at the time you came out of Egypt. 7And you shall cook it and eat it at the place that the Lord your God will choose. And in the morning you shall turn and go to your tents. 8For xsix days you shall eat unleavened bread, and on the seventh day there shall be ya solemn assembly to the Lord your God. You shall do no work on it.

The Feast of Weeks

9 z“You shall count seven weeks. Begin to count the seven weeks from the time the sickle is first put to the standing grain.

Joshua 5:10-12

First Passover in Canaan

10While the people of Israel were encamped at Gilgal, they kept the Passover aaon the fourteenth day of the month in the evening on the plains of Jericho. 11And the day after the Passover, on that very day, they ate of the produce of the land, unleavened cakes and parched grain. 12And abthe manna ceased the day after they ate of the produce of the land. And there was no longer manna for the people of Israel, but they ate of the fruit of the land of Canaan that year.

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