The constellation is determined by the date of the solar calendar. Gregorian calendar 1975 The date of the tenth day of the third lunar month is April 2 1, and the constellation of that day is Taurus.
Lunar calendar:1March 977 10.
Branch: Dingyou, Chen Geng, Yi Mao
Gregorian calendar: 1975 April 2 1 Monday Taurus
Source: Hua.com.