18 In the first month, on the fourteenth day of the month at evening, ye shall eat unleavened bread, till the one and twentieth day of the month at evening.
Exodus 12:18 Cross References - Webster
Exodus 12:1-2
Exodus 12:15
15 Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses: for whoever eateth leavened bread, from the first day till the seventh day, that soul shall be cut off from Israel.
Leviticus 23:5-8
5 In the fourteenth day of the first month at evening is the LORD'S passover.
6 And on the fifteenth day of the same month is the feast of unleavened bread to the LORD, seven days ye must eat unleavened bread.
7 In the first day ye shall have a holy convocation: ye shall do no servile work in it.
8 But ye shall offer an offering made by fire to the LORD seven days: in the seventh day is a holy convocation, ye shall do no servile work in it.
Numbers 28:16-25
16 And on the fourteenth day of the first month is the passover of the LORD.
17 And on the fifteenth day of this month is the feast: seven days shall unleavened bread be eaten.
18 On the first day shall be a holy convocation; in it ye shall do no manner of servile work.
19 But ye shall offer a sacrifice made by fire for a burnt-offering to the LORD; two young bullocks, and one ram, and seven lambs of the first year: they shall be to you without blemish:
20 And their meat-offering shall be of flour mingled with oil: three tenth-parts shall ye offer for a bullock, and two tenth-parts for a ram;
21 A several tenth-part shalt thou offer for every lamb, throughout the seven lambs:
22 And one goat for a sin-offering, to make an atonement for you.
23 Ye shall offer these besides the burnt-offering in the morning, which is for a continual burnt-offering.
24 After this manner ye shall offer daily throughout the seven days, the food of the sacrifice made by fire, of a sweet savor to the LORD: it shall be offered besides the continual burnt-offering, and his drink-offering.
25 And on the seventh day ye shall have a holy convocation; ye shall do no servile work.