Deuteronomy 16:7-9

World English Bible

⁷ You shall roast and eat it in the place which Yahweh your God chooses. In the morning you shall return to your tents. ⁸ Six days you shall eat unleavened bread. On the seventh day shall be a solemn assembly to Yahweh your God. You shall do no work.

⁹ You shall count for yourselves seven weeks. From the time you begin to put the sickle to the standing grain you shall begin to count seven weeks.