At the end of the 430 years, to the very day, all the LORD’s divisions went out of the land of Egypt.
KJV
And it came to pass at the end of the four hundred and thirty years, even the selfsame day it came to pass, that all the hosts of the LORD went out from the land of Egypt.
ASV
And it came to pass at the end of four hundred and thirty years, even the selfsame day it came to pass, that all the hosts of Jehovah went out from the land of Egypt.
Because the LORD kept a vigil that night to bring them out of the land of Egypt, this same night is to be a vigil to the LORD, to be observed by all the Israelites for the generations to come.
KJV
It [is] a night to be much observed unto the LORD for bringing them out from the land of Egypt: this [is] that night of the LORD to be observed of all the children of Israel in their generations.
ASV
It is a night to be much observed unto Jehovah for bringing them out from the land of Egypt: this is that night of Jehovah, to be much observed of all the children of Israel throughout their generations.