Leviticus 23:5-9

⁵In the first month, on the fourteenth day of the month at even, is Jehovah’s passover.

⁶And on the fifteenth day of the same month is the feast of unleavened bread unto Jehovah: seven days ye shall eat unleavened bread.

⁷In the first day ye shall have a holy convocation: ye shall do no servile work.

⁸But ye shall offer an offering made by fire unto Jehovah seven days: in the seventh day is a holy convocation; ye shall do no servile work.

⁹And Jehovah spake unto Moses, saying,