What is the seat on August 29th of the lunar calendar?

Is the constellation according to the lunar calendar or the solar calendar? What constellation is August 29th? What is the constellation of August 29th in the lunar calendar? Many people know little about constellations. Actually, astrology is based on the solar calendar, and it was introduced to China from abroad, but foreigners don't have the lunar calendar. So the constellations are calculated according to the solar calendar. If you were born on August 29th in the solar calendar, your sign is Virgo. If you were born on August 29th in the lunar calendar, your sign may be Virgo or Libra.