Acts 2:1-13

And on the day of Pentecost they were all together in one place.

1 Corinthians 15:20

But now hath Christ risen from the dead, the firstfruits of them that have fallen asleep.

James 1:18

Of his own will he begot us with the word of truth, that we should be a kind of firstfruits of his creatures.

Treasury of Scripture Knowledge

Summary

Also in the day of the firstfruits, when ye bring a new meat offering unto the LORD, after your weeks be out, ye shall have an holy convocation; ye shall do no servile work:

Bible References

In the day

Acts 2:1
And on the day of Pentecost they were all together in one place.
1 Corinthians 15:20
But now hath Christ risen from the dead, the firstfruits of them that have fallen asleep.
James 1:18
Of his own will he begot us with the word of truth, that we should be a kind of firstfruits of his creatures.