Vayikra 23:24-25

Orthodox Jewish Bible

²⁴ Speak unto the Bnei Yisroel, saying, In the seventh month, in the first day of the month, shall ye have a Shabbaton, a zikhron teru’ah mikra kodesh.

²⁵ Ye shall do no melekhet avodah therein; but ye shall offer an offering made by eish unto Hashem.