On the day of firstfruits, when you present an offering of new grain to the LORD during the Feast of Weeks, you are to hold a sacred assembly; you must not do any regular work.
KJV
Also in the day of the firstfruits, when ye bring a new meat offering unto the LORD, after your weeks [be out], ye shall have an holy convocation; ye shall do no servile work:
ASV
Also in the day of the first-fruits, when ye offer a new meal-offering unto Jehovah in your feast of weeks, ye shall have a holy convocation; ye shall do no servile work;