'Self same' in the Bible

And ye watched the unleavened; for in this self-same day I brought forth your armies out of the land of Egypt and watch ye this day for your generations a law forever.

And it will be from the end of thirty years and four hundred years, in this self-same day all the armies of Jehovah will go forth out of the land of Egypt

And it will be in this self-same day, Jehovah brought forth the sons of Israel out of the land of Egypt with their armies.