What is the birthday of Gregorian calendar 200 1 year 1 1 month 14?

Xin Si Ji Hai Xin Si, these three are branches of year, month and day, and here is the branch of time.

The ugly thing is that Geng's is Mao, Gui's is righteousness, Shen Ding's is yes, it's the sea.

Year, month, day, year, the branches are spelled into eight characters.