Numbers 28:1-4

Then the Lord spoke to Moses, saying,

“Command the sons of Israel and say to them, ‘You shall be careful to present to Me My offering, My food for My offerings by fire, of a soothing aroma to Me, at their appointed time.’

And you shall say to them, ‘This is the offering by fire which you shall offer to the Lord: two male lambs one year old without defect as a continual burnt offering every day.

You shall offer the one lamb in the morning, and the other lamb you shall offer at twilight;