Deuteronomy 16:7-9

New American Standard Bible

⁷ You shall ^(A)cook and eat it in the place which the Lord your God chooses. In the morning you are to return to your tents. ⁸ For six days you shall eat unleavened bread, and ^(B)on the seventh day there shall be ^(C)a festive assembly to the Lord your God; you shall do no work on it.

⁹ “^(D)You shall count seven weeks for yourself; you shall begin to count seven weeks from the time you begin to put the sickle to the standing grain.