Libra is the seventh astrological sign in the Zodiac, originating from the constellation of Libra. In astrology, Libra is considered a "masculine", positive (extrovert) sign. It is also considered an air sign and is one of four cardinal signs. Libra is ruled by the planet Venus (which also rules Taurus). Being the seventh sign of the zodiac, Libra has been associated with the astrological seventh house.
Individuals born when the Sun was in this sign are considered Libra individuals. Under the tropical zodiac, the Sun enters Libra on the moment of autumnal equinox by definition on September 23, leaving it on October 22. Under the sidereal zodiac, it is currently there roughly around October 19 and November 16.