Bible verses about Weeks
(From Torrey's Topical Textbook)

A period of time consisting of seven days Leviticus 23:15,16; Luke 18:12 A space of seven years sometimes so called Genesis 29:27,28; Daniel 9:24,25,27 Origin of computing time by Genesis 2:2 The feast of pentecost called the feast of weeks Exodus 34:22; Acts 2:1