Genesis 2:2

2:2 By the seventh day God finished the work that he had been doing, and he ceased on the seventh day all the work that he had been doing.

Genesis 8:4

8:4 On the seventeenth day of the seventh month, the ark came to rest on one of the mountains of Ararat.

Genesis 2:3

2:3 God blessed the seventh day and made it holy because on it he ceased all the work that he had been doing in creation.