What constellation is the fifth day of the ninth lunar month?

Scorpio 10 September 9-June 9. From 65438 to 0930, the International Astronomical Union divided the sky into 88 official constellations, which had precise boundaries and were based on ancient Greek myths handed down from the Middle Ages. These constellations are widely used in the field of navigation, and they are almost the means to determine the orientation of the sky in all civilizations.