How to sign calligraphy in dog days?

Gengzi Year Summer Moon Book. According to the query dictionary network, the calligraphy in dog days can be written as the summer moon book in the year of Gengzi, and the commonly used forms are flowers, birds, insects and fish, landscape calligraphy and painting, seals and so on. Calligraphy is an artistic expression of the unique beauty of words in China and neighboring countries and regions deeply influenced by China culture.