'Years' in the Bible

Now it happened after a long time [about forty years] that the king of Egypt died. And the children of Israel (Jacob) groaned and sighed because of the bondage, and they cried out. And their cry for help because of their bondage ascended to God.

These are the names of the sons of Levi according to their births: Gershon, Kohath, and Merari; and Levi lived a hundred and thirty-seven years.

The sons of Kohath: Amram (Moses’ father), Izhar, Hebron, and Uzziel; and Kohath lived a hundred and thirty-three years.

Amram married his father’s sister Jochebed, and she gave birth to Aaron and Moses; and Amram lived a hundred and thirty-seven years.

Now Moses was eighty years old and Aaron eighty-three years old when they spoke to Pharaoh.

[In the celebration of the Passover in future years,] seven days you shall eat unleavened bread, but on the first day you shall remove the leaven from your houses [because it represents the spread of sin]; for whoever eats leavened bread on the first day through the seventh day, that person shall be cut off and excluded from [the atonement made for] Israel.

Now the period of time the children of Israel lived in Egypt was four hundred and thirty years.

At the end of the four hundred and thirty years, to that very day, all the hosts of the Lord [gathered into tribal armies] left the land of Egypt.

The Israelites ate manna forty years, until they reached an inhabited land; they ate the manna until they came to the border of the land of Canaan.

“If you purchase a Hebrew servant [because of his debt or poverty], he shall serve six years, and in the seventh [year] he shall leave as a free man, paying nothing.

“If a man sells his daughter to be a female servant, she shall not go free [after six years] as male servants do.

“You shall sow your land six years and harvest its yield,

Everyone who is counted, from twenty years old and over, [as he joins those already counted], shall give this contribution to the Lord.

a beka for each man (that is, half a shekel according to the shekel of the sanctuary) for everyone who was counted, from twenty years old and upward, for 603,550 men.