Leviticus 23:35-37

35On the first day there shall be a holy convocation: no manner of servile work shall ye do.

36Seven days ye shall present an offering by fire to Jehovah; on the eighth day shall be a holy convocation unto you; and ye shall present an offering by fire to Jehovah: it is a solemn assembly; no manner of servile work shall ye do.

37These are the set feasts of Jehovah, which ye shall proclaim as holy convocations, to present an offering by fire to Jehovah, a burnt-offering, and an oblation, a sacrifice, and drink-offerings, everything upon its day;