Tính tuổi

Famous people born on September 4

♍ Your birth constellation: Virgo

Traditional dates: August 23 – September 22

Virgo is the second-largest constellation in the sky and contains the Virgo Cluster, a collection of over 1,300 galaxies about 54 million light-years away. Its brightest star, Spica, is a close binary system and one of the 20 brightest stars visible from Earth. The autumnal equinox currently occurs when the Sun is in Virgo, though astrological tradition places it in Libra.

The zodiac system was created by Babylonian astronomers around 500 BCE as a coordinate system for tracking the Sun, Moon, and planets along the ecliptic. The twelve signs divide the ecliptic into 30-degree segments. Due to the precession of equinoxes — a 26,000-year wobble of Earth's axis — the astrological dates no longer correspond to the actual constellations the Sun passes through. Modern astronomy treats the zodiac as a historical coordinate system, not a personality framework.

Read more about the astronomical history of the zodiac in our complete zodiac guide.

🐓 Chinese zodiac: Rooster (Metal)

In the traditional Chinese calendar, 1981 is a year of the Rooster with the element Metal. The Chinese zodiac (shengxiao) is a repeating 12-year cycle, with each year associated with an animal. Combined with the five elements (Wood, Fire, Earth, Metal, Water), the full cycle takes 60 years.

The Rooster (or Chicken) is associated with punctuality and fidelity in Chinese culture, as the rooster's crow marks the break of dawn. It is one of the "six domestic animals" that were central to Chinese agricultural life. In Chinese painting tradition, the Rooster symbolizes the five virtues: literary, martial, courageous, benevolent, and trustworthy.

The Chinese zodiac is a cultural and calendrical tradition with roots stretching back over 2,000 years. It was originally tied to astronomical observations of Jupiter's roughly 12-year orbital period. While widely used in East Asian cultures for festivals, naming customs, and social tradition, it is best understood as cultural heritage rather than a predictive system.

Explore the full Chinese zodiac cycle in our Chinese zodiac guide.