Leviticus 23:15-17 'And you shall count for yourselves from the day after the Sabbath, from the day that you brought the sheaf of the wave offering: seven Sabbaths shall be completed. Count fifty days to the day after the seventh Sabbath; then you shall offer a new grain offering to the LORD. You shall bring from your dwellings two wave loaves of two-tenths of an ephah. They shall be of fine flour; they shall be baked with leaven. They are the firstfruits to the LORD.
Exodus 23:16 and the Feast of Harvest, the firstfruits of your labors which you have sown in the field; and the Feast of Ingathering at the end of the year, when you have gathered in the fruit of your labors from the field.
Exodus 34:22 “And you shall observe the Feast of Weeks, of the firstfruits of wheat harvest, and the Feast of Ingathering at the year’s end.
Numbers 28:26 ‘Also on the day of the firstfruits, when you bring a new grain offering to the LORD at your Feast of Weeks, you shall have a holy convocation. You shall do no customary work.
Deuteronomy 16:10 Then you shall keep the Feast of Weeks to the LORD your God with the tribute of a freewill offering from your hand, which you shall give as the LORD your God blesses you.
Acts 2:1 When the Day of Pentecost had fully come, they were all with one accord in one place.
Related Scriptures
Leviticus 25:11 That fiftieth year shall be a Jubilee to you; in it you shall neither sow nor reap what grows of its own accord, nor gather the grapes of your untended vine.
Deuteronomy 16:9 'You shall count seven weeks for yourself; begin to count the seven weeks from the time you begin to put the sickle to the grain.
Exodus 19:1 In the third month after the children of Israel had gone out of the land of Egypt, on the same day, they came to the Wilderness of Sinai.