וַתִּכְתֹּ֥ב בַּסְּפָרִ֖ים לֵאמֹ֑ר קִֽרְאוּ־צ֔וֹם וְהוֹשִׁ֥יבוּ אֶת־נָב֖וֹת בְּרֹ֥אשׁ הָעָֽם׃
Isinulat niya sa mga liham: “Magpahayag kayo ng isang pag-aayuno, at paupuin ninyo si Nabot sa unahan ng bayan.
Rashi
Proclaim a day of fasting. On a fast day it was their custom to examine their sins.