3.9 What is the constellation?

According to the perpetual calendar, it is Pisces.

Pisces February19-March 20. Constellation originated in Babylon, one of the four ancient civilizations. About 5000 years ago, people in Mesopotamia divided the starry sky into several regions for the convenience of studying and observing many stars in the sky, and each region was a constellation, so there appeared more than 20 constellations such as ecliptic 12.