Exodus 12:40

Overview - Exodus 12
The beginning of the year is changed.
The passover is instituted.
11 The import of the rite of the passover.
15 Unleavened bread, etc.
29 The firstborn are slain.
31 The Israelites are driven out of the land.
37 They come to Succoth.
41 The time of their sojourning.
43 The ordinance of the passover.
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Exodus 12:40  (King James Version)
Now the sojourning of the children of Israel, who dwelt in Egypt, was four hundred and thirty years.

The Samaritan Pentateuch reads, "Now the sojourning of the children of Israel, and of their fathers in the land of Canaan and in the land of Egypt, was 430 ; years." The Alexandrine copy of the LXX. has the same reading; and the same statement is made by the apostle Paul, in Galatians 3:17 ,who reckons from the promise made to Abraham to the giving of the law. That these three witnesses have the truth, the chronology itself proves; for it is evident that the descendants of Israel did not dwell 430 ; years in Egypt; while it is equally evident, that the period from Abraham's entry into Canaan to the Exodus, is exactly that number. Thus, from Abraham's entrance into the promised land to the birth of Isaac, was 25 ; years; Isaac was 60 ; at the birth of Jacob; Jacob was 130 ; at his going into Egypt; where he and his children continued 215 ; years more; making in the whole 430 ; years
See Kennicott's Dissertation on the Hebrew Text.

Acts 13:17 ; Hebrews 11:9

four hundred
Genesis 12:1-3 ; 15:13 Acts 7:6 ; Galatians 3:16 Galatians 3:17