Numbers 28:24-26

Revised Standard Version Catholic Edition

²⁴ In the same way you shall offer daily, for seven days, the food of an offering by fire, a pleasing odor to the Lord; it shall be offered besides the continual burnt offering and its drink offering. ²⁵ And on the seventh day you shall have a holy convocation; you shall do no laborious work.

Offerings at the Festival of Weeks

²⁶ “On the day of the first fruits, when you offer a cereal offering of new grain to the Lord at your feast of weeks, you shall have a holy convocation; you shall do no laborious work,