Ji Dong's explanation.
The last month of winter is December of the lunar calendar, which is the last month of winter. "Book of Rites and Moon Order": "The moon in the middle of winter, the sun is in Wu, in a daze, in Dan." Sima Qian's Letter of Appointment in the Han Dynasty: "If you commit a crime today, it will involve October and force winter." Song Sima Guang's poem "Going to Yu Sheng": "In the winter of Jiuqu season, the wind and sand are miserable." "Liao History Book of Rites VI": "The core monument of Emperor's life was chosen as the auspicious day of the previous year." Interpretation of word decomposition season: Kitty (younger brother) ranks the lowest. Gifford (little uncle). Finally: Ji Shi. Ji Chun (late spring and January). Ming dynasty (the last year of Ming dynasty). Third place (third place in sports competition). Quarter of a year: A year is divided into four seasons: spring, summer, autumn and winter. A quarter. Monsoon. Interpretation of winter for a period of time Winter (③ Winter) is not the fourth season in a year: Winter (October to December in the lunar calendar). Hibernate in winter. Last name. Onomatopoeia, drumming: winter and winter drums. Xiabu: Ba.