Exodus 34:18

Keep the feast of unleavened bread; for seven days your food is to be bread without leaven, as I gave you orders, at the regular time in the month Abib; for in that month you came out of Egypt.

Exodus 13:4

On this day, in the month Abib, you are going out.

Leviticus 23:6

And on the fifteenth day of the same month is the feast of unleavened bread; for seven days let your food be unleavened bread.

Exodus 12:2

Let this month be to you the first of months, the first month of the year.

Exodus 12:15-20

For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.

Exodus 13:6-7

For seven days let your food be unleavened cakes; and on the seventh day there is to be a feast to the Lord.

Exodus 23:15

You are to keep the feast of unleavened bread; for seven days let your bread be without leaven, as I gave you orders, at the regular time in the month Abib (for in it you came out of Egypt); and let no one come before me without an offering:

Deuteronomy 16:1-4

Take note of the month of Abib and keep the Passover to the Lord your God: for in the month of Abib the Lord your God took you out of Egypt by night.

Mark 14:1

It was now two days before the feast of the Passover and the unleavened bread: and the chief priests and the scribes made designs how they might take him by deceit and put him to death:

Luke 22:1

Now the feast of unleavened bread was near, which is called the Passover.

Acts 12:3

And when he saw that this was pleasing to the Jews he went on to take Peter in addition. This was at the time of the feast of unleavened bread.

Treasury of Scripture Knowledge

Summary

The feast of unleavened bread shalt thou keep. Seven days thou shalt eat unleavened bread, as I commanded thee, in the time of the month Abib: for in the month Abib thou camest out from Egypt.

Bible References

General references

Exodus 12:15
For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.
Exodus 13:4
On this day, in the month Abib, you are going out.
Exodus 23:15
You are to keep the feast of unleavened bread; for seven days let your bread be without leaven, as I gave you orders, at the regular time in the month Abib (for in it you came out of Egypt); and let no one come before me without an offering:
Leviticus 23:6
And on the fifteenth day of the same month is the feast of unleavened bread; for seven days let your food be unleavened bread.
Deuteronomy 16:1
Take note of the month of Abib and keep the Passover to the Lord your God: for in the month of Abib the Lord your God took you out of Egypt by night.
Mark 14:1
It was now two days before the feast of the Passover and the unleavened bread: and the chief priests and the scribes made designs how they might take him by deceit and put him to death:
Luke 22:1
Now the feast of unleavened bread was near, which is called the Passover.
Acts 12:3
And when he saw that this was pleasing to the Jews he went on to take Peter in addition. This was at the time of the feast of unleavened bread.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain