Acts 2:1

And when the day of Pentecost was now come, they were all together in one place.

Acts 20:16

For Paul had determined to sail past Ephesus, that he might not have to spend time in Asia; for he was hastening, if it were possible for him, to be at Jerusalem the day of Pentecost.

1 Corinthians 16:8

But I will tarry at Ephesus until Pentecost;

Exodus 23:16

and the feast of harvest, the first-fruits of thy labors, which thou sowest in the field: and the feast of ingathering, at the end of the year, when thou gatherest in thy labors out of the field.

Exodus 34:22

And thou shalt observe the feast of weeks, even of the first-fruits of wheat harvest, and the feast of ingathering at the year's end.

Leviticus 23:15-21

And ye shall count unto you from the morrow after the sabbath, from the day that ye brought the sheaf of the wave-offering; seven sabbaths shall there be complete:

Numbers 28:16-31

And in the first month, on the fourteenth day of the month, is Jehovah's passover.

Deuteronomy 16:9-12

Seven weeks shalt thou number unto thee: from the time thou beginnest to put the sickle to the standing grain shalt thou begin to number seven weeks.

2 Chronicles 5:13

it came to pass, when the trumpeters and singers were as one, to make one sound to be heard in praising and thanking Jehovah; and when they lifted up their voice with the trumpets and cymbals and instruments of music, and praised Jehovah,'saying , For he is good; for his lovingkindness endureth for ever; that then the house was filled with a cloud, even the house of Jehovah,

2 Chronicles 30:12

Also upon Judah came the hand of God to give them one heart, to do the commandment of the king and of the princes by the word of Jehovah.

Psalm 133:1

Behold, how good and how pleasant it is For brethren to dwell together in unity!

Jeremiah 32:39

and I will give them one heart and one way, that they may fear me for ever, for the good of them, and of their children after them:

Zephaniah 3:9

For then will I turn to the peoples of a pure language, that they may all call upon the name of Jehovah, to serve him with one consent.

Acts 1:13-15

And when they were come in, they went up into the upper chamber, where they were abiding; both Peter and John and James and Andrew, Philip and Thomas, Bartholomew and Matthew, James the son of Alphaeus, and Simon the Zealot, and Judas the son of James.

Acts 2:46

And day by day, continuing stedfastly with one accord in the temple, and breaking bread at home, they took their food with gladness and singleness of heart,

Acts 4:24

And they, when they heard it, lifted up their voice to God with one accord, and said, O Lord, thou that didst make the heaven and the earth and the sea, and all that in them is:

Acts 4:32

And the multitude of them that believed were of one heart and soul: and not one of them'said that aught of the things which he possessed was his own; but they had all things common.

Acts 5:12

And by the hands of the apostles were many signs and wonders wrought among the people; and they were all with one accord in Solomon's porch.

Romans 15:6

that with one accord ye may with one mouth glorify the God and Father of our Lord Jesus Christ.

Philippians 1:27

Only let your manner of life be worthy of the gospel of Christ: that, whether I come and see you and be absent, I may hear of your state, that ye stand fast in one spirit, with one soul striving for the faith of the gospel;

Philippians 2:2

make full my joy, that ye be of the same mind, having the same love, being of one accord, of one mind;

Treasury of Scripture Knowledge

Bible References

The day

Acts 20:16
For Paul had determined to sail past Ephesus, that he might not have to spend time in Asia; for he was hastening, if it were possible for him, to be at Jerusalem the day of Pentecost.
Exodus 23:16
and the feast of harvest, the first-fruits of thy labors, which thou sowest in the field: and the feast of ingathering, at the end of the year, when thou gatherest in thy labors out of the field.
Exodus 34:22
And thou shalt observe the feast of weeks, even of the first-fruits of wheat harvest, and the feast of ingathering at the year's end.
Leviticus 23:15
And ye shall count unto you from the morrow after the sabbath, from the day that ye brought the sheaf of the wave-offering; seven sabbaths shall there be complete:
Numbers 28:16
And in the first month, on the fourteenth day of the month, is Jehovah's passover.
Deuteronomy 16:9
Seven weeks shalt thou number unto thee: from the time thou beginnest to put the sickle to the standing grain shalt thou begin to number seven weeks.
1 Corinthians 16:8
But I will tarry at Ephesus until Pentecost;

They

Acts 2:46
And day by day, continuing stedfastly with one accord in the temple, and breaking bread at home, they took their food with gladness and singleness of heart,
Acts 1:13
And when they were come in, they went up into the upper chamber, where they were abiding; both Peter and John and James and Andrew, Philip and Thomas, Bartholomew and Matthew, James the son of Alphaeus, and Simon the Zealot, and Judas the son of James.
Acts 4:24
And they, when they heard it, lifted up their voice to God with one accord, and said, O Lord, thou that didst make the heaven and the earth and the sea, and all that in them is:
Acts 5:12
And by the hands of the apostles were many signs and wonders wrought among the people; and they were all with one accord in Solomon's porch.
2 Chronicles 5:13
it came to pass, when the trumpeters and singers were as one, to make one sound to be heard in praising and thanking Jehovah; and when they lifted up their voice with the trumpets and cymbals and instruments of music, and praised Jehovah,'saying , For he is good; for his lovingkindness endureth for ever; that then the house was filled with a cloud, even the house of Jehovah,
2 Chronicles 30:12
Also upon Judah came the hand of God to give them one heart, to do the commandment of the king and of the princes by the word of Jehovah.
Psalm 133:1
Behold, how good and how pleasant it is For brethren to dwell together in unity!
Jeremiah 32:39
and I will give them one heart and one way, that they may fear me for ever, for the good of them, and of their children after them:
Zephaniah 3:9
For then will I turn to the peoples of a pure language, that they may all call upon the name of Jehovah, to serve him with one consent.
Romans 15:6
that with one accord ye may with one mouth glorify the God and Father of our Lord Jesus Christ.
Philippians 1:27
Only let your manner of life be worthy of the gospel of Christ: that, whether I come and see you and be absent, I may hear of your state, that ye stand fast in one spirit, with one soul striving for the faith of the gospel;
Philippians 2:2
make full my joy, that ye be of the same mind, having the same love, being of one accord, of one mind;

General references

Exodus 36:10
And he coupled five curtains one to another: and the other five curtains he coupled one to another.
Leviticus 8:3
and assemble thou all the congregation at the door of the tent of meeting.
Leviticus 23:16
even unto the morrow after the seventh sabbath shall ye number fifty days; and ye shall offer a new meal-offering unto Jehovah.
Deuteronomy 16:9
Seven weeks shalt thou number unto thee: from the time thou beginnest to put the sickle to the standing grain shalt thou begin to number seven weeks.
Hebrews 13:1
Let love of the brethren continue.

American Standard Version Public Domain