Numbers 28:3

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 ¹  burnt offering.

Numbers 29:11

29:11 along with one male goat for a purification offering, in addition to the purification offering for atonement and the continual burnt offering with its grain offering and their drink offerings.

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¹ sn The sacrifice was to be kept burning, but each morning the priests would have to clean the grill and put a new offering on the altar. So the idea of a continual burnt offering is more that of a regular offering.