Yueyan
Yueyan is one of the major monthly inauspicious factors; traditionally, long-distance travel, marriage, and relocation were forbidden on this day.
Yueyan is one of the monthly inauspicious factors in traditional date selection, believed to be a potent force that brings feelings of rejection and contrariness. Old almanacs generally considered this day highly inauspicious, explicitly forbidding major life changes like long journeys, weddings, and relocations, as actions undertaken on these days were thought to easily encounter obstacles, discord, or misfortune.