You are also to keep the Feast of Harvest with the firstfruits of the produce from what you sow in the field. And keep the Feast of Ingathering at the end of the year, when you gather your produce from the field.

Exodus 22:29
You must not hold back offerings from your granaries or vats. You are to give Me the firstborn of your sons.

Exodus 34:22
And you are to celebrate the Feast of Weeks with the firstfruits of the wheat harvest, and the Feast of Ingathering at the turn of the year.

Leviticus 23:10
"Speak to the Israelites and say, 'When you enter the land that I am giving you and you reap its harvest, you are to bring to the priest a sheaf of the firstfruits of your harvest.

Leviticus 23:39
On the fifteenth day of the seventh month, after you have gathered the produce of the land, you are to celebrate a feast to the LORD for seven days. There shall be complete rest on the first day and also on the eighth day.

Numbers 28:26
On the day of firstfruits, when you present an offering of new grain to the LORD during the Feast of Weeks, you are to hold a sacred assembly; you must not do any regular work.

Numbers 29:1
"On the first day of the seventh month, you are to hold a sacred assembly, and you must not do any regular work. This will be a day for you to sound the trumpets.

Deuteronomy 16:9
You are to count off seven weeks from the time you first put the sickle to the standing grain.

Deuteronomy 26:2
you are to take some of the firstfruits of all your produce from the soil of the land that the LORD your God is giving you and put them in a basket. Then go to the place the LORD your God will choose as a dwelling for His Name,

Ezra 3:4
They also celebrated the Feast of Tabernacles in accordance with what is written, and they offered burnt offerings daily based on the number prescribed for each day.

And the feast of harvest, the first fruits of your labors, which you have sown in the field: and the feast of ingathering, which is in the end of the year, when you have gathered in your labors out of the field.