LEVITICUS 23:14-15

¹⁴And ye shall eat neither bread, nor parched corn, nor fresh ears, until this selfsame day, until ye have brought the oblation of your God: it is a statute for ever throughout your generations in all your dwellings.

¹⁵And ye shall count unto you from the morrow after the sabbath, from the day that ye brought the sheaf of the wave offering; seven sabbaths shall there be complete: