Numbers 28:26
"'Also, on the day of the first fruits, when you bring a new grain offering to the Lord during your Feast of Weeks, you are to have a holy assembly. You must do no ordinary work.
Exodus 23:16
"You are also to observe the Feast of Harvest, the firstfruits of your labors that you have sown in the field, and the Feast of Ingathering at the end of the year when you have gathered in your harvest out of the field.
Exodus 34:22
"You must observe the Feast of Weeks -- the firstfruits of the harvest of wheat -- and the Feast of Ingathering at the end of the year.
Leviticus 23:10
"Speak to the Israelites and tell them, 'When you enter the land that I am about to give to you and you gather in its harvest, then you must bring the sheaf of the first portion of your harvest to the priest,
Leviticus 23:15-21
"'You must count for yourselves seven weeks from the day after the Sabbath, from the day you bring the wave offering sheaf; they must be complete weeks.
Deuteronomy 16:9-11
You must count seven weeks; you must begin to count them from the time you begin to harvest the standing grain.
Numbers 28:18
And on the first day there is to be a holy assembly; you must do no ordinary work on it.
Acts 2:1-13
Now when the day of Pentecost had come, they were all together in one place.
1 Corinthians 15:20
But now Christ has been raised from the dead, the firstfruits of those who have fallen asleep.
James 1:18
By his sovereign plan he gave us birth through the message of truth, that we would be a kind of firstfruits of all he created.