The first month of Gengzi Year/Meng Chun/Spring Festival X X X book
The traditional format can be divided into two parts. Common only the next paragraph, the format is:
Time (usually not Gregorian calendar)+(%location)+author+(respect) book
Such as: "Gengzi (Xiahuan) worships books in Gufengtang XX".
In traditional calligraphy, dates are marked by years, and months are marked by lunar calendar, not specific to a certain day. .
Hard-pen calligraphy, if arranged horizontally, can be in modern format: February XXX book in 2020. If it is vertical, it should also be in the traditional format.