Acts 2:1

When the fiftieth day was come, they were all with one accord gathered together in one place.

Acts 20:16

For Paul had determined to leave Ephesus as they sailed, because he would not spend the time in Asia. For he hasted to be, if he could possibly, at Jerusalem at the day of Pentecost.

1 Corinthians 16:8

I will tarry at Ephesus until Pentecost:

Exodus 23:16

And the feast of Harvest, when thou reapest the first fruits of thy labors which thou hast sown in the field. And the feast of ingathering, in the end of the year: when thou hast gathered in thy labors out of the field.

Exodus 34:22

Thou shalt observe the feast of weeks with the first fruits of wheat harvest, and the feast of ingathering at the years' end.

Leviticus 23:15-21

"'And ye shall count from the morrow after the Sabbath: even from the day that ye brought the sheaf of the wave offering, seven weeks complete:

Numbers 28:16-31

And the fourteenth day of the first month shall be Passover unto the LORD.

Deuteronomy 16:9-12

Then reckon the seven weeks, and begin to reckon the seven weeks when the sickle beginneth in the corn,

2 Chronicles 5:13

And the trumpet blowers and the singers so agreed, that it seemed but one voice in praising and thanking the LORD. And as the voice of the trumpets, cymbals and instruments of melody arose, and as they praised the LORD, how that he was good and that his mercy lasteth ever, the house of the LORD was filled with a cloud:

2 Chronicles 30:12

And thereto the hand of God was in Judah, to make them of one accord to do the commandment of the king and the captains, which was according to the word of the LORD.

Psalm 133:1

{A song of the stairs} Behold, how good and joyful a thing it is, brethren, to dwell together in unity!

Jeremiah 32:39

And I will give them one heart, and one way, that they may fear me all the days of their life, that they and their children after them may prosper.

Zephaniah 3:9

And then will I cleanse the lips of the people, that they may every each one call upon the name of the LORD, and serve him with one shoulder.

Acts 1:13-15

And when they were come in, they went up into a parlour, where abode both Peter and James, John and Andrew, Philip and Thomas, Bartholomew and Matthew, James the son of Alpheus, and Simon Zealotes, and Judas James' son.

Acts 2:46

And they continued daily with one accord in the temple, and brake bread in every house, and did eat their meat together with gladness and singleness of heart, praising God,

Acts 4:24

And when they heard that, they lifted up their voices to God with one accord and said, "Lord, thou art God which hast made heaven and earth, the sea and all that in them is,

Acts 4:32

And the multitude of them that believed, were of one heart; And of one soul. Also, none of them said that any of the things which he possessed was his own: But had all things common.

Acts 5:12

By the hands of the apostles were many signs and wonders showed among the people. And they were all together with one accord in Solomon's porch.

Romans 15:6

that ye, all agreeing together, may with one mouth praise God the father of our Lord Jesus.

Philippians 1:27

Only let your conversation be, as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may yet hear of you, that ye continue in one spirit, and in one soul laboring as we do to maintain the faith of the gospel,

Philippians 2:2

fulfil my joy, that ye draw one way, having one love, being of one accord, and of one mind,

Treasury of Scripture Knowledge

Bible References

The day

Acts 20:16
For Paul had determined to leave Ephesus as they sailed, because he would not spend the time in Asia. For he hasted to be, if he could possibly, at Jerusalem at the day of Pentecost.
Exodus 23:16
And the feast of Harvest, when thou reapest the first fruits of thy labors which thou hast sown in the field. And the feast of ingathering, in the end of the year: when thou hast gathered in thy labors out of the field.
Exodus 34:22
Thou shalt observe the feast of weeks with the first fruits of wheat harvest, and the feast of ingathering at the years' end.
Leviticus 23:15
"'And ye shall count from the morrow after the Sabbath: even from the day that ye brought the sheaf of the wave offering, seven weeks complete:
Numbers 28:16
And the fourteenth day of the first month shall be Passover unto the LORD.
Deuteronomy 16:9
Then reckon the seven weeks, and begin to reckon the seven weeks when the sickle beginneth in the corn,
1 Corinthians 16:8
I will tarry at Ephesus until Pentecost:

They

Acts 2:46
And they continued daily with one accord in the temple, and brake bread in every house, and did eat their meat together with gladness and singleness of heart, praising God,
Acts 1:13
And when they were come in, they went up into a parlour, where abode both Peter and James, John and Andrew, Philip and Thomas, Bartholomew and Matthew, James the son of Alpheus, and Simon Zealotes, and Judas James' son.
Acts 4:24
And when they heard that, they lifted up their voices to God with one accord and said, "Lord, thou art God which hast made heaven and earth, the sea and all that in them is,
Acts 5:12
By the hands of the apostles were many signs and wonders showed among the people. And they were all together with one accord in Solomon's porch.
2 Chronicles 5:13
And the trumpet blowers and the singers so agreed, that it seemed but one voice in praising and thanking the LORD. And as the voice of the trumpets, cymbals and instruments of melody arose, and as they praised the LORD, how that he was good and that his mercy lasteth ever, the house of the LORD was filled with a cloud:
2 Chronicles 30:12
And thereto the hand of God was in Judah, to make them of one accord to do the commandment of the king and the captains, which was according to the word of the LORD.
Psalm 133:1
{A song of the stairs} Behold, how good and joyful a thing it is, brethren, to dwell together in unity!
Jeremiah 32:39
And I will give them one heart, and one way, that they may fear me all the days of their life, that they and their children after them may prosper.
Zephaniah 3:9
And then will I cleanse the lips of the people, that they may every each one call upon the name of the LORD, and serve him with one shoulder.
Romans 15:6
that ye, all agreeing together, may with one mouth praise God the father of our Lord Jesus.
Philippians 1:27
Only let your conversation be, as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may yet hear of you, that ye continue in one spirit, and in one soul laboring as we do to maintain the faith of the gospel,
Philippians 2:2
fulfil my joy, that ye draw one way, having one love, being of one accord, and of one mind,

General references

Exodus 36:10
And they coupled five curtains by themselves, and other five by themselves.
Leviticus 8:3
and gather all the community together unto the door of the tabernacle of witness."
Leviticus 23:16
even unto the morrow after the seventh week ye shall number fifty days. And then ye shall bring a new meat offering unto the LORD.
Deuteronomy 16:9
Then reckon the seven weeks, and begin to reckon the seven weeks when the sickle beginneth in the corn,
Hebrews 13:1
Let brotherly love continue.