Both the Sun and the Moon chan, we can know the direction by the Sun, viewed from the West, and the section from the Moon, they can tell the direction by watching from the side, and the waning Moon.
Both the sun and the moon's direction allows us to know by watching the sun rise and fall from the moon could tell by the look from the side and waning.
Both the sun and moon Monday that we can know the direction by the sun look from up and moved the moon also can tell the direction by the look of the wax and the waning moon.