Numbers 29:12-13

King James Version

¹² And on the fifteenth day of the seventh month ye shall have an holy convocation; ye shall do no servile work, and ye shall keep a feast unto the Lord seven days:

¹³ And ye shall offer a burnt offering, a sacrifice made by fire, of a sweet savour unto the Lord; thirteen young bullocks, two rams, and fourteen lambs of the first year; they shall be without blemish: