Does the constellation refer to the lunar calendar or the solar calendar?

Constellation refers to the solar calendar, and the lunar calendar is a unique algorithm in China. Constellation originated in western countries, so the constellation is calculated according to the date of the solar calendar. The twelve constellations are divided into three parts: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces.