For six days you must eat unleavened bread, and on the seventh day you shall hold a solemn assembly to the LORD your God, and you must not do any work.
Jewish Publication Society of America Version (JPS1917) - Deuteronomy 16:8 >Six days thou shalt eat unleavened bread; and on the seventh day shall be a solemn assembly to the LORD thy God; thou shalt do no work therein.