1. Ancient painters generally used the method of combining the emperor's year number with the official calendar and the lunar calendar to record the year, month and day as needed.
2. Hard-pen calligraphy can be written in the above traditional format or modern format. The modern format is very simple, just write it according to daily practical writing.
Signature introduction
In ancient times, letters, calligraphy and paintings all had inscriptions. When giving gifts, the names and dates were written vertically with a brush to indicate the giver and the recipient, which is also a form of expression of calligraphy art.
A calligraphy work should be completed in the overall sense, and the inscription can better show the accomplishment and talent of a calligrapher. Nowadays, many people sign official documents and notes, which are generally written horizontally, indicating that they have legal effect.