Leviticus 23:34-36

Great(i) 34 speake vnto the chyldren of Israel, and saye: the fyftenth daye of the same seuenth moneth is the feast of tabernacles, seuen dayes vnto the Lord. 35 The fyrst daye is an holy conuocacyon: ye shall do no laboryous worke. 36 Seuen dayes ye shall offer sacryfyce vnto the Lord, and in the eyght daye shalbe an holy conuocacyon vnto you, and ye shall offer sacryfyces vnto the Lorde. It is the colleccyon, and ye shall do no laborious worke therin.
Reformed Dating