What constellation is the 30th day of the first lunar month in 2000?
Constellation is determined by the solar calendar date: the solar calendar date of the 30th day of the first lunar month in 2000 is March 5th, 2000, and the constellation of that day is Pisces.
Lunar calendar: the 30th day of the first month in Chen Geng.
Branch: Chen Geng Wuyin Ren Xu
Gregorian calendar: March 5, 2000, Sunday, Pisces.