-1The constellation of the 13th lunar month in May, 998.

The constellation is determined by the date of the solar calendar. The date of Gregorian calendar1May, 998 13 is1July 6, 998, and the constellation of that day is Cancer.

Lunar calendar: May 13th, Wuyin year.

Gregorian calendar:1Monday, July 6, 998, Cancer.

Source: Hua. com。