What constellation is Lin Daiyu?

In the book, Lin Daiyu's birthday is on February 12 of the lunar calendar, and she is a pair of armand with xiren. According to relevant research, it is also said that it is February 12 of Dinghai in 1707, so February, March and March are possible in the Gregorian calendar. The possible constellations during this period are Aquarius, Pisces and Aries. According to Daiyu's beautiful and crying characteristics (especially this), she is not impulsive and brave.