What constellations are the characters in A Dream of Red Mansions?

Yuan Chun: The first day of the first month, Aquarius Baochai: the 21st day of the first month, Aquarius Daiyu (attacking people): February 12, Pisces Baoyu: It seems to be the day of ears, that is Gemini. Tanchun: March 2-5 (uncertain), Aries Wang Xifeng (Jinchuan): September 2, Libra: July 7, Lady Virgo: March 1 day, Taurus Jia Lian: March 9, Aries or Taurus Qingwen has no birthday, and I think her personality is very similar to Leo or Aries.