Constellations are determined by the date of the solar calendar. 1The Gregorian calendar date of the tenth day of the twelfth lunar month in 998 is199965438+1October 26th, and the constellation of that day is Aquarius.
Lunar calendar: the tenth day of the twelfth lunar month in Wuyin year.
Four pillars: five yin, ugly and five yin.
Gregorian calendar:1999 65438+1October 26th Tuesday Aquarius
Source: Hua.com.