The format of calligraphy inscription is usually,
Time (usually not Gregorian calendar)+(location)+author+(respect) book
In traditional calligraphy, the date is in the calendar year and the month is in the lunar calendar, which is particular and generally not specific to a certain day.
The nickname of the eleventh lunar month is,
Strong ice, flat moon, good luck, full moon, half winter, winter moon, Dongzi moon, short moon, lack of day, cold, complex moon, koo, koo moon, Huang Zhong, Fei, Jian Zi, Jian Zi Yue, bitter moon, Liu Lv, Huang Zi.