Exodus 23:16

16You shall keep ^athe Feast of Harvest, of the firstfruits of your labor, of what you sow in the field. You shall keep the ^bFeast of Ingathering at the end of the year, when you gather in from the field the fruit of your labor.

Exodus 34:22

22 ^cYou shall observe the Feast of Weeks, the firstfruits of wheat harvest, and the Feast of Ingathering at the year’s end.

Leviticus 23:10

10“Speak to the people of Israel and say to them, ^dWhen you come into the land that I give you and reap its harvest, you shall bring the sheaf of ^ethe firstfruits of your harvest to the priest,

Leviticus 23:15-21

The Feast of Weeks

15 ^f“You shall count seven full weeks from the day after the Sabbath, from the day that you brought the sheaf of the ^gwave offering. 16You shall count ^hfifty days to the day after the seventh Sabbath. Then you shall present a grain offering of ⁱnew grain to the Lord. 17You shall bring from your dwelling places two loaves of bread to be waved, made of two tenths of an ephah. They shall be of fine flour, and they shall be baked with leaven, as ^jfirstfruits to the Lord. 18And you shall present with the bread seven lambs a year old without blemish, and one bull from the herd and two rams. They shall be a burnt offering to the Lord, with their grain offering and their drink offerings, a food offering with a pleasing aroma to the Lord. 19And you shall offer one ^kmale goat for a sin offering, and two male lambs a year old as a sacrifice of ^lpeace offerings. 20And the priest shall ^mwave them with the bread of the firstfruits as a wave offering before the Lord, with the two lambs. ⁿThey shall be holy to the Lord for the priest. 21And you shall make a proclamation on the same day. You shall hold a holy convocation. You shall not do any ordinary work. It is a statute forever in all your dwelling places throughout your generations.

Deuteronomy 16:9-11

The Feast of Weeks

9 ^o“You shall count seven weeks. Begin to count the seven weeks from the time the sickle is first put to the standing grain. 10Then you shall keep ^pthe Feast of Weeks to the Lord your God with ^qthe tribute of a freewill offering from your hand, which you shall give ^ras the Lord your God blesses you. 11And ^syou shall rejoice before the Lord your God, you and your son and your daughter, your male servant and your female servant, the Levite who is within your towns, the sojourner, the fatherless, and the widow who are among you, at the place that the Lord your God will choose, to make his name dwell there.

Acts 2:1-13

The Coming of the Holy Spirit

1When ^tthe day of Pentecost arrived, they were all together in one place. 2And suddenly there came from heaven a sound like ^ua mighty rushing wind, and ^vit filled the entire house where they were sitting. 3And divided tongues ^was of fire appeared to them and rested ▼

▼Or  And tongues as of fire appeared to them, distributed among them, and rested

on each one of them. 4And they were all ^yfilled with the Holy Spirit and began ^zto speak in other tongues ^aaas the Spirit gave them utterance.

5Now there were dwelling in Jerusalem Jews, devout men from every nation under heaven. 6And ^abat this sound the multitude came together, and they were bewildered, because each one was hearing them speak in his own language. 7And ^acthey were amazed and astonished, saying, “Are not all these who are speaking ^adGalileans? 8And how is it that we hear, each of us in his own native language? 9Parthians and ^aeMedes and ^afElamites and residents of Mesopotamia, Judea and Cappadocia, Pontus and Asia, 10Phrygia and Pamphylia, Egypt and the parts of Libya belonging to Cyrene, and visitors from Rome, 11both Jews and ^agproselytes, Cretans and Arabians—we hear them telling in our own tongues the mighty works of God.” 12And ^ahall were amazed and perplexed, saying to one another, “What does this mean?” 13But others ^aimocking said, “They are filled with new wine.”

1 Corinthians 15:20

20But in fact ^ajChrist has been raised from the dead, ^akthe firstfruits of those who have fallen asleep.