Constellations are determined by the date of the solar calendar. 1June 22, 963, the solar calendar date is August 1 1, and the constellation of that day is Leo.
Lunar calendar: June 22, Guimao year.
Main branch: Guimao Gengshen Xu Bing.
Gregorian calendar: 1963 August 1 1 Sunday Leo
Source: Hua.com.