It was the 30th day in the 12th month of Chinese calendar.
The new moon is the beginning of the month in the Chinese calendar.
The old Chinese calendar was based on a cycle of 60 years.
"My mother always followed her birthday according to the traditional Chinese calendar," she said recently.
The years of the Chinese calendar follow a 12-year cycle.
But in the Chinese calendar, the beginning of the month is marked by the dark moon.
No record is currently available of her birth date using the Chinese calendar.
The Chinese calendar was considered to be a symbol of a dynasty.
As in all traditional commemorations, the Chinese calendar is used.
"How long is 25 days on a Chinese calendar?"