Constellations are determined by the date of the solar calendar. 1990 The solar calendar date on August 28th of the lunar calendar is 65438+ 10/6, and the constellation of that day is Libra.
On August 28th of the lunar calendar, Geng Wu.
Main branch: Geng Wu Xu Bing Jiayin
Gregorian calendar:1990101October 16 Tuesday Libra
Source: Hua.com.