Genesis 7:9-11

New Century Version

⁹ came to Noah. They went into the boat in groups of two, male and female, just as God had commanded Noah. ¹⁰ Seven days later the flood started.

¹¹ When Noah was six hundred years old, the flood started. On the seventeenth day of the second month of that year the underground springs split open, and the clouds in the sky poured out rain.