'On that Day' in the Bible

In the six hundredth year of Noah’s life, in the second month, on the seventeenth day of the month, on that day all the sources of the watery depths burst open, the floodgates of the sky were opened,

On that day the Lord made a covenant with Abram, saying, “I give this land to your offspring, from the brook of Egypt to the Euphrates River:

That day Esau started on his way back to Seir,