Constellations are determined by the date of the solar calendar. 1August, 990 16 The solar calendar date of that day is 10/October 4, and the constellation of that day is Libra.
Lunar calendar: Year of the Horse? August? sixteen
Ganzhi: Geng Wu? Yi you? Human voice
Gregorian calendar:1990 65438+1October 4th Thursday Libra.
Source: Hua Wang.