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Aquarius (♒) (Greek: Ύδροχόος, "Hudrokhoös", Latin: "Aquārius") is the eleventh astrological sign in the Zodiac, originating from the constellation Aquarius. In astrology, Aquarius is considered a "masculine", positive (extrovert) sign. It is also considered an air sign and is one of four fixed signs.[1] Aquarius has been traditionally ruled by the planet Saturn, and, since its discovery, Uranus has been considered a modern co-ruler of this sign.[2][3]
An individual born under this Sun sign is known as an Aquarian. Although the astrological sign of Aquarius may begin as early as January 19[4] in some years, the sun typically leaves Capricorn and enters Aquarius on the cusp day January 20. The sun is in Aquarius under the tropical zodiac from approximately then to February 18. [5] Under the Sidereal Zodiac, the sun is in the astrological sign of Aquarius from February 12 to 14 and leaves between March 8th and 10th, depending on leap year.