Leviticus 23:7 KJV
In the first day ye shall have an holy convocation: ye shall do no servile work therein.
Leviticus 23:7, King James Version
In context
6 And on the fifteenth day of the same month is the feast of unleavened bread unto the Lord: seven days ye must eat unleavened bread.
7 In the first day ye shall have an holy convocation: ye shall do no servile work therein.
8 But ye shall offer an offering made by fire unto the Lord seven days: in the seventh day is an holy convocation: ye shall do no servile work therein.