And the waters decreased continually until the tenth month. In the tenth month, on the first day of the month, the tops of the mountains were seen.
Genesis 8:5
Surrounding context
8:4 Then the ark rested in the seventh month, the seventeenth day of the month, on the mountains of Ararat.
8:5 And the waters decreased continually until the tenth month. In the tenth month, on the first day of the month, the tops of the mountains were seen.
8:6 So it came to pass, at the end of forty days, that Noah opened the window of the ark which he had made.