Hello, hello! Constellations are divided according to the solar calendar (also called Gregorian calendar and new calendar). I checked the perpetual calendar for you. . Your birthday in the solar calendar is Monday. 1979-05-28.
28
The third day of May
This is not the year of the sheep.
It's been a month and a half.
The constellation is Gemini: 2 1 year from May 22nd to June 22nd.