Acts 12:3

and having seen that it is pleasing to the Jews, he added to lay hold of Peter also -- and they were the days of the unleavened food --

Exodus 23:15

the Feast of Unleavened things thou dost keep; seven days thou dost eat unleavened things, as I have commanded thee, at the time appointed in the month of Abib; for in it thou hast come forth out of Egypt, and ye do not appear in My presence empty;

Acts 24:27

and two years having been fulfilled, Felix received a successor, Porcius Festus; Felix also willing to lay a favour on the Jews, left Paul bound.

Acts 25:9

And Festus willing to lay on the Jews a favour, answering Paul, said, 'Art thou willing, to Jerusalem having gone up, there concerning these things to be judged before me?'

Exodus 12:14-20

And this day hath become to you a memorial, and ye have kept it a feast to Jehovah to your generations; -- a statute age-during; ye keep it a feast.

Exodus 13:3-7

And Moses saith unto the people, 'Remember this day in which ye have gone out from Egypt, from the house of servants, for by strength of hand hath Jehovah brought you out from this, and any thing fermented is not eaten;

Leviticus 23:6-14

and on the fifteenth day of this month is the feast of unleavened things to Jehovah; seven days unleavened things ye do eat;

Psalm 76:10

For the fierceness of man praiseth Thee, The remnant of fierceness Thou girdest on.

Matthew 26:17

And on the first day of the unleavened food came the disciples near to Jesus, saying to him, 'Where wilt thou that we may prepare for thee to eat the passover?'

John 12:43

for they loved the glory of men more than the glory of God.

John 19:11

Jesus answered, 'Thou wouldest have no authority against me, if it were not having been given thee from above; because of this, he who is delivering me up to thee hath greater sin.'

John 21:18

verily, verily, I say to thee, When thou wast younger, thou wast girding thyself and wast walking whither thou didst will, but when thou mayest be old, thou shalt stretch forth thy hands, and another will gird thee, and shall carry thee whither thou dost not will;'

Acts 2:14

and Peter having stood up with the eleven, lifted up his voice and declared to them, 'Men, Jews! and all those dwelling in Jerusalem, let this be known to you, and harken to my sayings,

Acts 4:13

And beholding the openness of Peter and John, and having perceived that they are men unlettered and plebeian, they were wondering -- they were taking knowledge also of them that with Jesus they had been --

Acts 20:6

and we sailed, after the days of the unleavened food, from Philippi, and came unto 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, according as ye are unleavened, for also our passover for us was sacrificed -- Christ,

Galatians 1:10

for now men do I persuade, or God? or do I seek to please men? for if yet men I did please -- Christ's servant I should not be.

1 Thessalonians 2:4

but as we have been approved by God to be entrusted with the good news, so we speak, not as pleasing men, but God, who is proving 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
and two years having been fulfilled, Felix received a successor, Porcius Festus; Felix also willing to lay a favour on the Jews, left Paul bound.
Acts 25:9
And Festus willing to lay on the Jews a favour, answering Paul, said, 'Art thou willing, to Jerusalem having gone up, there concerning these things to be judged before me?'
John 12:43
for they loved the glory of men more than the glory of God.
Galatians 1:10
for now men do I persuade, or God? or do I seek to please men? for if yet men I did please -- Christ's servant I should not be.
1 Thessalonians 2:4
but as we have been approved by God to be entrusted with the good news, so we speak, not as pleasing men, but God, who is proving our hearts,

He proceeded

Acts 2:14
and Peter having stood up with the eleven, lifted up his voice and declared to them, 'Men, Jews! and all those dwelling in Jerusalem, let this be known to you, and harken to my sayings,
Acts 4:13
And beholding the openness of Peter and John, and having perceived that they are men unlettered and plebeian, they were wondering -- they were taking knowledge also of them that with Jesus they had been --
Psalm 76:10
For the fierceness of man praiseth Thee, The remnant of fierceness Thou girdest on.
John 19:11
Jesus answered, 'Thou wouldest have no authority against me, if it were not having been given thee from above; because of this, he who is delivering me up to thee hath greater sin.'
John 21:18
verily, verily, I say to thee, When thou wast younger, thou wast girding thyself and wast walking whither thou didst will, but when thou mayest be old, thou shalt stretch forth thy hands, and another will gird thee, and shall carry thee whither thou dost not will;'

Then

Exodus 12:14
And this day hath become to you a memorial, and ye have kept it a feast to Jehovah to your generations; -- a statute age-during; ye keep it a feast.
Exodus 13:3
And Moses saith unto the people, 'Remember this day in which ye have gone out from Egypt, from the house of servants, for by strength of hand hath Jehovah brought you out from this, and any thing fermented is not eaten;
Exodus 23:15
the Feast of Unleavened things thou dost keep; seven days thou dost eat unleavened things, as I have commanded thee, at the time appointed in the month of Abib; for in it thou hast come forth out of Egypt, and ye do not appear in My presence empty;
Leviticus 23:6
and on the fifteenth day of this month is the feast of unleavened things to Jehovah; seven days unleavened things ye do eat;
Matthew 26:17
And on the first day of the unleavened food came the disciples near to Jesus, saying to him, 'Where wilt thou that we may prepare for thee to eat the passover?'
1 Corinthians 5:7
cleanse out, therefore, the old leaven, that ye may be a new lump, according as ye are unleavened, for also our passover for us was sacrificed -- Christ,

General references

Exodus 34:18
'The feast of unleavened things thou dost keep; seven days thou dost eat unleavened things, as I have commanded thee, at an appointed time, the month of Abib: for in the month of Abib thou didst come out from Egypt.
Leviticus 23:6
and on the fifteenth day of this month is the feast of unleavened things to Jehovah; seven days unleavened things ye do eat;
Numbers 28:16
And in the first month, in the fourteenth day of the month, is the passover to Jehovah;