What is the constellation of May 15 in the lunar calendar?

The sign of the person born that day is Cancer or Leo.

People born on May 15 of the lunar calendar, according to the Gregorian calendar date, their Gregorian calendar birthdays are between June 28th and July 27th. The constellations of this period are: Cancer (June 22nd to July 22nd) and Leo (July 23rd to August 22nd).

Constellation originated in Babylon, one of the four ancient civilizations. Westerners usually say that birthdays are based on the solar calendar, so the constellations are calculated according to the solar calendar.

Disclaimer, the above contents are for reference only, please don't be blindly superstitious.