The theory hinges on the idea that our view of the stars slowly drifts over time as the Earth wobbles, so the constellations ...

But what about the claim your sign is wrong? Well, due to the Earth’s wobble, and its current angle to the constellations ...

each a zodiac sign. However, constellations vary widely in size, and the sun spends more time in some constellations like Virgo than others such as Cancer. There's even a 13th constellation, Ophiuchus ...