Correct. Coriolis. What's interesting is that it's "right" anywhere on earth, so in both hemispheres.
Discussion
That was my next thought, but somehow figured it works since sometimes these rotational things in physics exhibit such counterintuitive things. Thanks again for info!
Don't ask me why; I can't explain it either. I learned it in flight school a looong time ago, and it just stuck as a fact. Might ask Grok one day.