What constellation was born on May 9th, 2000?

Constellation is a fortune-telling thing for westerners, because westerners don't have a lunar calendar, and the birth date of constellation is based on the solar calendar.

May 9, 2000, is the solar calendar, constellation: Taurus.

May 9, 2000 is the lunar calendar, converted into the solar calendar: June 2000 10.

Constellation: Gemini

Constellations are divided according to the solar calendar (i.e. Gregorian calendar, national calendar and new calendar).

Taurus: April 20th-May 20th.

Leo: July 23rd-August 22nd.