Senses
五鼓 fifth watch
(literary) the fifth and final watch of the night, occurring between 3 A.M. and 5 A.M. and signaling the approach of dawn; early in the morning
五鼓 five types of drums
(literary) a set of five ceremonial drums representing the five directions (east, south, west, north, and center) and their associated colors
五鼓 five night watches
(literary) the collective term for the five two-hour watches of the night, spanning from 7 P.M. to 5 A.M.