Numbers 28
16 Ref And in the first month, on the fourteenth day of the month, is the Lord's Passover.
17 Ref On the fifteenth day of this month there is to be a feast; for seven days let your food be unleavened cakes.
18 Ref On the first day there is to be a holy meeting: you may do no sort of field-work:
19 Ref And you are to give an offering made by fire, a burned offering to the Lord; two oxen, one male sheep, and seven he-lambs of the first year, without any mark: