Numbers 28:3-8

28:3 You will say to them, ‘This is the offering made by fire which you must offer to the Lord: two unblemished lambs one year old each day for a continual burnt offering. 28:4 The first lamb you must offer in the morning, and the second lamb you must offer in the late afternoon, 28:5 with one-tenth of an ephah of finely ground flour as a grain offering mixed with one quarter of a hin of pressed olive oil. 28:6 It is a continual burnt offering that was instituted on Mount Sinai as a pleasing aroma, an offering made by fire to the Lord.

28:7 “‘And its drink offering must be one quarter of a hin for each lamb. You must pour out the strong drink as a drink offering to the Lord in the holy place. 28:8 And the second lamb you must offer in the late afternoon; just as you offered the grain offering and drink offering in the morning, you must offer it as an offering made by fire, as a pleasing aroma to the Lord.

Exodus 29:38-42

29:38 “Now this is what you are to prepare on the altar every day continually: two lambs a year old. 29:39 The first lamb you are to prepare in the morning, and the second lamb you are to prepare around sundown. 29:40 With the first lamb offer a tenth of an ephah of fine flour mixed with a fourth of a hin of oil from pressed olives, and a fourth of a hin of wine as a drink offering. 29:41 The second lamb you are to offer around sundown; you are to prepare for it the same meal offering as for the morning and the same drink offering, for a soothing aroma, an offering made by fire to the Lord.

29:42 “This will be a regular burnt offering throughout your generations at the entrance of the tent of meeting before the Lord, where I will meet with you to speak to you there.

Leviticus 6:9

6:9 “Command Aaron and his sons, ‘This is the law of the burnt offering. The burnt offering is to remain on the hearth on the altar all night until morning, and the fire of the altar must be kept burning on it.