וַיֹּ֣אמֶר יֵה֗וּא קַדְּשׁ֧וּ עֲצָרָ֛ה לַבַּ֖עַל וַיִּקְרָֽאוּ׃
And Jehu said: ‘Sanctify a solemn assembly for Baal.’ And they proclaimed it.
Leviticus
For seven days, you shall bring a fire-offering to Adonoy; the eighth day shall be for you a holy assembly, and you shall bring a fire-offering to Adonoy. It is [a day] of convocation. you shall not do any work of labor.