The Time of Cleansing was a month long custom that the Bajoran people follow which requires the individual to fast in order to abstain from wordly pleasures. In 2372, the Time of Cleansing aboard Deep Space 9 reduced Quark's profits. (DS9 episode: "Bar Association") In 2376, the Bajorans decided to celebrate Bajor's admission into the United Federation of Planets after the Time of Cleansing. (DS9 - Mission Gamma novel: Cathedral)