Is it? Without a reference would you actually notice it?
You’d need some kind of long-running gravity clock you could be fairly confident in and then check it against the Sundial not as a timer but as a way to measure the Sun’s position.
Is it? Without a reference would you actually notice it?
You’d need some kind of long-running gravity clock you could be fairly confident in and then check it against the Sundial not as a timer but as a way to measure the Sun’s position.