calligraphy can be signed on New Year's Day in 23 years, with New Year's Day signed on January 1, 223, and calligraphy works signed on January 1, 223, which can be 223. Of course, it can also be signed in a traditional way, and the traditional format can be divided into two parts. Only the next paragraph is common, and the format is: time (generally not Gregorian calendar)+(%location)+author+(respect) book, such as: "Ding Youzhong Chun (next Huan) worships the book in the ancient style hall XX".
in traditional calligraphy, the date is marked by the year, and the month is written by the lunar calendar, which is generally not specific to a certain day.