Leviticus 23:8-10

Young's Literal Translation

⁸ and ye have brought near a fire-offering to Jehovah seven days; in the seventh day [is] a holy convocation; ye do no servile work.'

⁹ And Jehovah speaketh unto Moses, saying,

¹⁰ `Speak unto the sons of Israel, and thou hast said unto them, When ye come in unto the land which I am giving to you, and have reaped its harvest, and have brought in the sheaf, the beginning of your harvest unto the priest,