What hour is taboo to use a compass

Hour of feng shui in the use of a compass, there are exquisite, some time can't use a compass, otherwise, can give a feng shui master to bring disaster.The hour of lo lo, and kill the division respectively.

ROM. Look, it is the ancients imagined a dark star, is used to explain the phenomenon of eclipses, in astrology is called "corrosion" god.