What are the names of summer in calligraphy?

Harmony: Er Ya called it "Xia Wei", and later generations extended it to "Zhu Xia". "History of Rites and Music" has the sentence "Zhu Ming is prosperous and applicable to all things"; Xia Fuxian said: "When I was young, I applied medicine and was born after catching Zhu Xia"; Song Kong Zhong Ping's poem said, "There is a breeze that can make Zhu Xia cold". Three Summers: The ancients regarded April as Xia Meng, May as midsummer, and June as the end of summer, which were collectively called "Three Summers". There is a sentence in the ancient Yuefu "Midnight Four Seasons Songs and Summer Songs": "I know it is hot in three summers, but I am very independent today."

September Summer: Summer lasts for three months ***90 days, so it is also called "September Summer". Tao Yuanming's "Murong Xu" has three sentences: "The sun and the moon move, and nine summers are already summer."

Long summer: The days in summer are particularly long, so it is called "long summer". Zhang Lai's poem "Summer" in Song Dynasty: "The wind in Changjiang Village is gradually clearing, and the eaves finches have been generated"; Gao Panlong's poem "Living in Summer" in the Ming Dynasty: "Long summer, sit still all day."

Festive Festival: The Outline of Emperor Liang Yuan says: "Summer Festival is called Festive Festival", also known as "Festive Preface".