'In that Day' in the Bible

And I have separated in that day the land of Goshen, in which My people are staying, that the beetle is not there, so that thou knowest that I am Jehovah in the midst of the land,

And thou hast declared to thy son in that day, saying, 'It is because of what Jehovah did to me, in my going out from Egypt,

and Jehovah saveth Israel in that day out of the hand of the Egyptians, and Israel seeth the Egyptians dead on the sea-shore,