Exo 12:18-20, 13:6-7, Lev 23:6, 14 | ESV | STEP | In the first month, from the fourteenth day of the month at evening , you shall eat unleavened bread until the twenty-first day of the month at evening .

Exodus 12:18-20

18 ^aIn the first month, from the fourteenth day of the month at evening, you shall eat unleavened bread until the twenty-first day of the month at evening. 19 ^bFor seven days no leaven is to be found in your houses. If anyone eats what is leavened, ^cthat person will be cut off from the congregation of Israel, ^dwhether he is a sojourner or a native of the land. 20 You shall eat nothing leavened; in all your dwelling places you shall eat unleavened bread.”

Exodus 13:6-7

6 ^eSeven days you shall eat unleavened bread, and on the seventh day there shall be a feast to the Lord. 7 Unleavened bread shall be eaten for seven days; no leavened bread shall be seen with you, and no leaven shall be seen with you in all your territory.

Leviticus 23:6

6 And on the fifteenth day of the same month is the Feast of Unleavened Bread to the Lord; for seven days you shall eat unleavened bread.

Leviticus 23:14

14 And you shall eat neither bread nor grain ^fparched or ^gfresh until this same day, until you have brought the offering of your God: it is a statute forever throughout your generations in all your dwellings.