Aquarius (♒︎; Greek: Ὑδροχόος, romanized: Hydrokhóos, Latin for "water-bearer") is the eleventh astrological sign in the zodiac, originating from the constellation Aquarius. Under the tropical zodiac, the Sun is in the Aquarius sign between about January 20 and February 18. Aquarius is one of the three air signs, alongside Gemini and Libra. The ruling planets of Aquarius are Saturn (in traditional astrology alongside Capricorn), and Uranus (in modern astrology). It is a fixed air sign. The opposite sign of Aquarius is Leo.