Leviticus 23:10

“Also you shall keep the Feast of the Harvest of the first fruits of your labors from what you sow in the field; also the Feast of the Ingathering at the end of the year when you gather in the fruit of your labors from the field.

‘As an offering of first fruits you shall bring them near to Yahweh, but they shall not ascend for a soothing aroma on the altar.

“Speak to the sons of Israel and say to them, ‘When you enter the land of your places of habitation, which I am going to give you,

then make an offering by fire to Yahweh, a burnt offering or a sacrifice to fulfill a special vow, or as a freewill offering or in your appointed times, to make a soothing aroma to Yahweh, from the herd or from the flock.

So Naomi returned, and with her Ruth the Moabitess, her daughter-in-law, who returned from the fields of Moab. Now they came to Bethlehem at the beginning of barley harvest.

“And it shall be the prince’s part to provide the burnt offerings, the grain offerings, and the drink offerings, at the feasts, on the new moons, and on the sabbaths, at all the appointed times of the house of Israel; he shall provide the sin offering, the grain offering, the burnt offering, and the peace offerings, to make atonement for the house of Israel.”