Leviticus 23:6

⁸Six days you shall eat unleavened bread. On the seventh day shall be a solemn assembly to the LORD your God. You shall do no work.

¹⁵“‘Seven days you shall eat unleavened bread; even the first day you shall put away yeast out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel. ¹⁶In the first day there shall be to you a holy convocation, and in the seventh day a holy convocation; no kind of work shall be done in them, except that which every man must eat, only that may be done by you.

¹⁸“You shall keep the feast of unleavened bread. Seven days you shall eat unleavened bread, as I commanded you, at the time appointed in the month Abib; for in the month Abib you came out of Egypt.

⁶Seven days you shall eat unleavened bread, and in the seventh day shall be a feast to the LORD. ⁷Unleavened bread shall be eaten throughout the seven days; and no leavened bread shall be seen with you. No yeast shall be seen with you, within all your borders.

¹⁷On the fifteenth day of this month shall be a feast. Unleavened bread shall be eaten for seven days. ¹⁸In the first day shall be a holy convocation. You shall do no regular work,

³When he saw that it pleased the Jews, he proceeded to seize Peter also. This was during the days of unleavened bread. ⁴When he had arrested him, he put him in prison and delivered him to four squads of four soldiers each to guard him, intending to bring him out to the people after the Passover.