What is the constellation of July 30th _ 1998?

What is the constellation of July in the lunar calendar?

The sign of a person born on the 30th day of the seventh lunar month is Virgo or Leo.

Constellations come from western astrology, and there is no such thing as lunar calendar in the west, so constellations are calculated according to the solar calendar, which is the Gregorian calendar. If you want to know your actual constellation, you must first know your date of birth in the solar calendar.