Parallel
Genesis 7:11
Brenton's English Septuagint · Berean Standard Bible
In the six hundredth year of the life of Noe, in the second month, on the twenty-seventh day of the month, on this day all the fountains of the abyss were broken up, and the flood-gates of heaven were opened.
In the six hundredth year of Noah’s life, on the seventeenth day of the second month, all the fountains of the great deep burst forth, and the floodgates of the heavens were opened.