Cross reference
Exodus 13:6
6 `Seven days thou dost eat unleavened things, and in the seventh day `is' a feast to Jehovah;
Exodus 12:15-20
15 Seven days ye eat unleavened things; only -- in the first day ye cause leaven to cease out of your houses; for any one eating anything fermented from the first day till the seventh day, even that person hath been cut off from Israel.
16 `And in the first day `is' a holy convocation, and in the seventh day ye have a holy convocation; any work is not done in them, only that which is eaten by any person -- it alone is done by you,
17 and ye have observed the unleavened things, for in this self-same day I have brought out your hosts from the land of Egypt, and ye have observed this day to your generations -- a statute age-during.
18 `In the first `month', in the fourteenth day of the month, in the evening, ye do eat unleavened things until the one and twentieth day of the month, at evening;
19 seven days leaven is not found in your houses, for any `one' eating anything fermented -- that person hath been cut off from the company of Israel, among the sojourners or among the natives of the land;
20 anything fermented ye do not eat, in all your dwellings ye do eat unleavened things.'
Exodus 34:18
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 23:8
8 and ye have brought near a fire-offering to Jehovah seven days; in the seventh day `is' a holy convocation; ye do no servile work.'