Numbers 28:25-27

New International Version - UK

²⁵ On the seventh day hold a sacred assembly and do not do any ordinary work.

The Festival of Weeks

²⁶ ‘“On the day of firstfruits, when you present to the Lord an offering of new grain during the Festival of Weeks, hold a sacred assembly and do not do any of your ordinary work. ²⁷ Present a burnt offering of two young bulls, one ram and seven male lambs a year old as an aroma pleasing to the Lord.