Further, I have never seen a compass or heading indicator with 360 on it: just N or 0. Why shouldn't ATC say, "Turn left to Zero"?
But that
is what they'll say. I didn't deliberately choose that controversial heading in this post, just happened to be the first that came to mind. Long ago, one was something of a mariner. Mariners use 0-0-0 for North, at least as I was taught, "nor' by nor'west me foine bucko" having gone out of vogue some time previous.
While being instructed to become a pilot, what I had known as 0-0-0 had become 3-6-0. I recall asking (knowing there must be a good reason) about it. Don't ever recall getting an answer.