What constellation is May 12?

Taurus. Constellations were introduced into China from the west, and the Gregorian calendar is an international calendar, so constellations are calculated according to the Gregorian calendar. Taurus is the second house of the zodiac, located to the east of Aries and to the west of Gemini. The time interval is from April 2 1 to May 20, and May 12 is in this time period, so May 12 is Taurus.