"Month" and "evening" were originally the same word in Oracle Bone Inscriptions, but later they were separated.
In June, Oracle Bone Inscriptions added a short vertical symbol to the semicircle to indicate the luminous characteristics of the semicircle.
The ancients found that the moon was round and short, and the moon was short, so they used a broken circle to represent the moon, which is a semicircle.
Some Oracle Bone Inscriptions are deformed, and it says "Xi".
Mun-song Kim continued the Oracle Bone Inscriptions glyph.
Seal script continues the Oracle Bone Inscriptions glyph.
Change the font of official script. Drop the circle.