"The Passover to the Lord comes in the first month, on the fourteenth day of the month.
References for Numbers 28:16
On the fifteenth day of this month there will be a festival; unleavened bread is to be eaten for seven days.
On the first day there is to be a sacred assembly; you are not to do any daily work.
References for Numbers 28:18
Present a fire offering, a burnt offering to the Lord: two young bulls, one ram, and seven male lambs a year old. Your animals are to be unblemished.
The grain offering with them is to be of fine flour mixed with oil; offer six quarts with each bull and four quarts with the ram.
References for Numbers 28:20
Offer two quarts with each of the seven lambs
References for Numbers 28:21
and one male goat for a sin offering to make atonement for yourselves.
Offer these with the morning burnt offering that is part of the regular burnt offering.
You are to offer the same food each day for seven days as a fire offering, a pleasing aroma to the Lord. It is to be offered with its drink offering and the regular burnt offering.
On the seventh day you are to hold a sacred assembly; you are not to do any daily work.