19904 17 what is the moon constellation?

Constellations are determined by the date of the solar calendar. The Gregorian calendar date of April 1990 in the lunar calendar is May 1 1, and the constellation of that day is Taurus.

Lunar calendar: April 90 17.

Main branch: Geng Wuxin Fourth Soldiers.

Gregorian calendar: 1990 May 1 1 Friday Taurus

Source: Hua.com.