- Libra (The Scales) (cardinal, air, social): Keyword: "I balance". The Libra person is co-operative, diplomatic, sees both sides, open-minded, just, urbane, fair, partnership oriented, avoids conflict, refined, balanced, graceful, charming, debative, idealistic, equalitarian and sociable. They can sometimes also rationalize, be easily deterred, indecisive and lazy. Suitable occupations are where human relationships and a harmonious environment are important; such as artist, poet, diplomat, social worker, cosmetic industry. In medical astrology Libra governs the kidneys and lumbar region. In astrology Libra is ruled by the planet Venus. The sun sign dates for Libra are September 23rd - October 23rd. The air form of Libra is the calm fall winds.