Constellations are determined by the date of the solar calendar. 1974 Lunar calendar 12 15 The solar calendar date of that day is 1975 16, and the constellation of that day is Aquarius.
Lunar calendar: December 15th in Jiayin.
Branch: Jiayin Ding Chou Ren Shen
Gregorian calendar:1975 65438+1October 26th Sunday Aquarius
Source: Hua Wang.