Vayikra 23:15-16

Orthodox Jewish Bible

¹⁵ And ye shall count unto you from the day after the Shabbos, from the day that ye brought the omer of the wave offering; shevah shabbatot shall be complete,

¹⁶ Even unto the day after the seventh Shabbos shall ye count fifty days; and ye shall offer a minchah chadashah unto Hashem.