Numbers 28:25-27

New Revised Standard Version Catholic Edition

²⁵ And on the seventh day you shall have a holy convocation; you shall not work at your occupations.

Offerings at the Festival of Weeks

²⁶ On the day of the first fruits, when you offer a grain offering of new grain to the Lord at your festival of weeks, you shall have a holy convocation; you shall not work at your occupations. ²⁷ You shall offer a burnt offering, a pleasing odor to the Lord: two young bulls, one ram, seven male lambs a year old.