The constellation is determined by the date of the solar calendar. The date of February 2 1982 in the Gregorian calendar is February 25, and the constellation of that day is Pisces.
Lunar calendar:1February 2, 982
Branches and Branches: Ren Xu, Ren Yin and Ji Mao.
Gregorian calendar: Thursday, February 25th, 1982 Pisces.
Source: Hua.com.