Bible Verses About Years: Length of, during the patriarchal age

In the six hundredth year of Noah’s life, in the second month, on the seventeenth day of the month, on the same day all the fountains of the great deep were burst open, and the sky’s windows were opened.

The waters flooded the earth one hundred fifty days.

The waters continually receded from the earth. After the end of one hundred fifty days the waters decreased.

In the six hundred first year, in the first month, the first day of the month, the waters were dried up from the earth. Noah removed the covering of the ship, and looked. He saw that the surface of the ground was dried.