Leviticus 23:6

6 and on the fifteenth day of the same month is the festival of unleavened bread to the Lord; seven days you shall eat unleavened bread.

Leviticus 23:6 In-Context

4 These are the appointed festivals of the Lord, the holy convocations, which you shall celebrate at the time appointed for them
5 In the first month, on the fourteenth day of the month, at twilight, there shall be a passover offering to the Lord,
6 and on the fifteenth day of the same month is the festival of unleavened bread to the Lord; seven days you shall eat unleavened bread.
7 On the first day you shall have a holy convocation; you shall not work at your occupations.
8 For seven days you shall present the Lord's offerings by fire; on the seventh day there shall be a holy convocation: you shall not work at your occupations.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.