Deuteronomy 16:7-9

New Living Translation

⁷ Roast the lamb and eat it in the place the Lord your God chooses. Then you may go back to your tents the next morning. ⁸ For the next six days you may not eat any bread made with yeast. On the seventh day proclaim another holy day in honor of the Lord your God, and no work may be done on that day.

The Festival of Harvest

⁹ “Count off seven weeks from when you first begin to cut the grain at the time of harvest.