'In that Day' in the Bible

And I will sever in that day the land of Goshen, in which my people dwell, that no swarms of flies shall be there; to the end thou mayest know that I am the LORD in the midst of the earth.

And Pharaoh said to him, Depart from me, take heed to thyself, see my face no more: for in that day thou seest my face, thou shalt die.

And thou shalt show thy son in that day, saying, This is done because of that which the LORD did to me when I came forth out of Egypt.