Constellations are determined by the date of the solar calendar. The Gregorian calendar date on July 26th, 90 is 65438+Friday, September 26th, 990 14, and the constellation of that day is Virgo.
On July 26th of the lunar calendar, Geng Wu.
Gregorian calendar:1September 990 14 Friday Virgo.
Source of information: Central China Moon Network