In calligraphy and painting, what does Ren Yin Xia Zhong mean?

Renyin Xia Zhong refers to the time and date of calligraphy and painting works, and Renyin Year is the year in the traditional calendar year of China, specifically, the 39th year of a cycle in the calendar year of Ganzhi is called Renyin Year. Xia Zhong is usually midsummer, which refers to the second month of summer. Generally speaking, it refers to the fifth month of the lunar calendar.