Acts 12:3

And because he saw it pleased the Jews, he proceeded further to take Peter also. Then were the days of unleavened bread.

Exodus 23:15

Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)

Acts 24:27

But after two years Porcius Festus came as successor to Felix: and Felix willing to show the Jews a pleasure, left Paul bound.

Acts 25:9

But Festus, willing to do the Jews a pleasure, answered Paul, and said, Wilt thou go to Jerusalem, and there be judged concerning these things before me?

Exodus 12:14-20

And this day shall be to you for a memorial; and ye shall keep it a feast to the LORD throughout your generations: ye shall keep it a feast by an ordinance for ever.

Exodus 13:3-7

And Moses said to the people, Remember this day, in which ye came out from Egypt, out of the house of bondage; for by strength of hand the LORD brought you out from this place: there shall no leavened bread be eaten.

Leviticus 23:6-14

And on the fifteenth day of the same month is the feast of unleavened bread to the LORD, seven days ye must eat unleavened bread.

Psalm 76:10

Surely the wrath of man shall praise thee: the remainder of wrath wilt thou restrain.

Matthew 26:17

Now the first day of the feast of unleavened bread, the disciples came to Jesus, saying to him, Where wilt thou that we prepare for thee to eat the passover?

John 12:43

For they loved the praise of men more than the praise of God.

John 19:11

Jesus answered, Thou couldst have no power against me; except it were given thee from above: therefore he that delivered me to thee hath the greater sin.

John 21:18

Verily, verily, I say to thee, When thou wast young, thou didst gird thyself and walk whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldst not.

Acts 2:14

But Peter standing up with the eleven, lifted up his voice, and said to them, Ye men of Judea, and all ye that dwell at Jerusalem, be this known to you, and hearken to my words:

Acts 4:13

Now when they saw the boldness of Peter and John, and perceived that they were unlearned and ignorant men, they marveled; and they took knowledge of them, that they had been with Jesus.

Acts 20:6

And we sailed away from Philippi, after the days of unleavened bread, and came to them to Troas in five days; where we abode seven days.

1 Corinthians 5:7-8

Cleanse out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ our passover is sacrificed for us:

Galatians 1:10

For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ.

1 Thessalonians 2:4

But as we were allowed by God to be put in trust with the gospel, even so we speak; not as pleasing men, but God, who trieth our hearts.

Treasury of Scripture Knowledge

Summary

And because he saw it pleased the Jews, he proceeded further to take Peter also. (Then were the days of unleavened bread.)

Bible References

He saw

Acts 24:27
But after two years Porcius Festus came as successor to Felix: and Felix willing to show the Jews a pleasure, left Paul bound.
Acts 25:9
But Festus, willing to do the Jews a pleasure, answered Paul, and said, Wilt thou go to Jerusalem, and there be judged concerning these things before me?
John 12:43
For they loved the praise of men more than the praise of God.
Galatians 1:10
For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ.
1 Thessalonians 2:4
But as we were allowed by God to be put in trust with the gospel, even so we speak; not as pleasing men, but God, who trieth our hearts.

He proceeded

Acts 2:14
But Peter standing up with the eleven, lifted up his voice, and said to them, Ye men of Judea, and all ye that dwell at Jerusalem, be this known to you, and hearken to my words:
Acts 4:13
Now when they saw the boldness of Peter and John, and perceived that they were unlearned and ignorant men, they marveled; and they took knowledge of them, that they had been with Jesus.
Psalm 76:10
Surely the wrath of man shall praise thee: the remainder of wrath wilt thou restrain.
John 19:11
Jesus answered, Thou couldst have no power against me; except it were given thee from above: therefore he that delivered me to thee hath the greater sin.
John 21:18
Verily, verily, I say to thee, When thou wast young, thou didst gird thyself and walk whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldst not.

Then

Exodus 12:14
And this day shall be to you for a memorial; and ye shall keep it a feast to the LORD throughout your generations: ye shall keep it a feast by an ordinance for ever.
Exodus 13:3
And Moses said to the people, Remember this day, in which ye came out from Egypt, out of the house of bondage; for by strength of hand the LORD brought you out from this place: there shall no leavened bread be eaten.
Exodus 23:15
Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)
Leviticus 23:6
And on the fifteenth day of the same month is the feast of unleavened bread to the LORD, seven days ye must eat unleavened bread.
Matthew 26:17
Now the first day of the feast of unleavened bread, the disciples came to Jesus, saying to him, Where wilt thou that we prepare for thee to eat the passover?
1 Corinthians 5:7
Cleanse out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ our passover is sacrificed for us:

General references

Exodus 34:18
The feast of unleavened bread shalt thou keep. Seven days shalt thou eat unleavened bread, as I commanded thee, in the time of the month Abib: for in the month Abib thou camest out of from Egypt.
Leviticus 23:6
And on the fifteenth day of the same month is the feast of unleavened bread to the LORD, seven days ye must eat unleavened bread.
Numbers 28:16
And on the fourteenth day of the first month is the passover of the LORD.