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.