is cetus a zodiac sign?
Simply put, Cetus is not part of the zodiac because it's not part of the Zodiac family of constellations. The Zodiac family of constellations is the originating source of the signs of the Zodiac: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces.