The zodiac constallations don’t even line up with their original dates anymore, for exactly the kind of reasons you described: the universe and our position in it are not stationary.
This website has a chart for the updated dates (note also that they had to add another zodiac sign because of parallax or something)
The zodiac constallations don’t even line up with their original dates anymore, for exactly the kind of reasons you described: the universe and our position in it are not stationary.
This website has a chart for the updated dates (note also that they had to add another zodiac sign because of parallax or something)