because a zero is a circle, it could represent completeness, or the true self. it could also allude to zero-hour, meaning that it is time to accomplish something for yourself. thirdly, it could be a symbol for nothingness, worthlessness, or emptiness. (ackroyd)

if your zodiacal sign appears in your dream, it could represent your shadow, the unknown depths of your unconscious. if the sign is not yours, it could still represent a part of yourself, but the meaning will depend on the sign. (ackroyd)