What time does Wu Geng check out at noon on the first day?

Oh, when was the check? This character does not exist in 1990. 1930 Gregorian calendar September 17 There are eight characters at noon on July 25th. In ancient times, there were also these characters. For example, Little Shenyang and nave also have this constellation. It is the record of Ren Tieqiao in Qing Dynasty. What are you doing here?