九齋日

the nine kinds of days of abstinence on which no food is eaten after twelve o'clock: noon and the commands are observed. They are: Every day of the first month, of the fifth month, of the ninth month, and the following six days of each month, 8th, 14th, 15th, 23rd, 29th, and 30th. On these days Indra and the four deva-kings investigate the conduct of men.