The changing of the host (which is known as the Wang Yeh Hui) must take place on the birthday of Nobleman Hsi Ch'in (on the 24th day of the sixth month of the lunar calendar) and comes to an end in July.
爐主的交替（也就是王爺會）必須在西秦王爺生日（農曆六月廿四日）至七月鬼月來臨的期間完成。