Constellations are determined by the date of the solar calendar. Ding Younian's solar calendar date on February 29th is 2065438+March 26th, 2007, and the constellation of that day is Aries.
Lunar calendar: 20 17 February 29th, Ding Younian.
Gregorian calendar: 2065438+March 26th, 2007, Sunday, Aries.
Main branches: Ding Younian, Guimao Moon, Renzi Day.
Source: Hua.com.