Constellations are determined by the date of the solar calendar. 1985 The Gregorian calendar date on February 24th is1April 3rd, and the constellation of that day is Aries.
Lunar calendar:1February 24, 985
Branches: Ugly Ugly Chen Geng Renwu
Gregorian calendar:1April 985 13 Saturday Aries
Source: Hua.com.