20 14 12.8 calligraphy signature?

Generally speaking, the year of calligraphy is not recorded by Gregorian calendar, but by traditional branches. It's not about one day. Your signature can be written,

XX book in the early winter of the Sino-Japanese War (Meng)

In addition, every month (lunar calendar) has many nicknames.

The nickname of each month is January: the first month, the month of Meng, the early spring, long summer and the year of Fang. February: Midspring, Apricot Moon, Beautiful Moon, Flower Dynasty, Midspring March: Ji Chun, Late Spring, Peach Moon, Silkworm Moon, Taobo April:, Huaiyue, Maiyue, Qinghe May: Midsummer, Liuyue, Puyue. Guiqiu September: Qiu Ji, Muqiu, Juyue, Chanting Moon, Chrysanthemum Autumn October: Mengdong, Early Winter, Bright Moon, Winter Opening, Yue Ji November: Midwinter, Long Moon, Midwinter, Snowy Moon, Leng Yue December: Jidong, Residual Winter, Twelfth Moon, Ice Moon, Twilight, and the first to tenth day of each month is called "Sheung Wan" or.