(/kloc-May of 0/4 or April of the lunar calendar, which belongs to early summer)
Traditional calligraphy is generally divided into upper and lower sections. Only the next paragraph is common. The format of the next paragraph is,
Time (usually not Gregorian calendar)+(%location)+author+(respect) book
Such as: "Ding Chun (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.