You shall observe the Solemnity of Weeks with the first-fruits of the grain from the harvest of your wheat, and a Solemnity when the time of the year returns and everything is stored away
Other versions
King James Version
And thou shalt observe the feast of weeks, of the firstfruits of wheat harvest, and the feast of ingathering at the year's end. English Standard Version
You shall observe the Feast of Weeks, the firstfruits of wheat harvest, and the Feast of Ingathering at the year's end.New International Version
"Celebrate the Feast of Weeks with the firstfruits of the wheat harvest, and the Feast of Ingathering at the turn of the year.