in Chinese tradition, the fifteenth

in Chinese tradition, the fifteenth day of the seventh month in the lunar calendar is called Ghost Day and the seventh month in general is regarded as the Ghost Month (鬼月), in which ghosts and spirits, including those of the deceased ancestors, come out from the lower realm. Distinct from both the Qingming Festival (in Spring) and Chung Yeung Festival (in Autumn) in which living descendants pay homage to their deceased ancestors, on Ghost Day.