Numbers 28:3, 10-11

And thou shalt say unto them, This is the offering made by fire which ye shall offer unto the LORD; two lambs of the first year without spot day by day, for a continual burnt offering.

this is the burnt offering of every sabbath, beside the continual burnt offering, and his drink offering. And in the beginnings of your months ye shall offer a burnt offering unto the LORD; two young bullocks, and one ram, seven lambs of the first year without spot