just like a moon. It is similar to what we learnt in the post 52: Evening - 夕, its shell bone script is
Actually both are moons.
Why there is a vertical short line in Moon, and empty in Evening? Let us see their small seal scripts first.
The bronze script of the character is
The small seal script of Moon is
Compare it with the small seal script of Evening
They are similar too, even not as good as their shell bone counterparts. There is two short curves in Moon, and only one in Evening, why?
Let's see the pictures of Moon
Ancient Chinese used the moon at the sunset or just after the sunset to express Evening.
The difference between the moon in the midnight and in the evening is the brightness. Moon looks brighter than the moon at the sunset. So they used the short bar or curve to show the brightness. Moon in shell bone script has one vertical bar, is brighter than Evening moon which is empty inside. Moon in small seal script has two short curves inside, is brighter than Evening moon which has only one.
Nowadays, people use the similar way to show the signal strength, such as WI-FI signal.
The clerical script of Moon is
which is changed a lot, but still has some similarity to its small seal script. The two short horizontal lines are the bright strength.
The clerical script of Evening is
Its song typeface of Moon is
The song typeface of Evening is
Pinyin is "Yue4" for 月, and "Xi1" for 夕.