Pisces is the twelfth astrological sign in Western astrology, and it spans the zodiac from 330° to 360°. Pisces is considered to be a mutable water sign, and it is ruled by the planet Neptune. It is associated with the element of water, and it is symbolised by two fish swimming in opposite directions. The traditional dates for Pisces in Western astrology are from February 19 to March 20, but due to the precession of the equinoxes, the actual dates for Pisces are from February 18 to March 20.