> If you care about the position of the sun to second precision, then time alone tells you nothing - you need location too Unless you are using time and (celes

> If you care about the position of the sun to second precision, then time alone tells you nothing - you need location too Unless you are using time and (celestial) observations to determine your location. It's not coincidence that US Naval Observatory (and its peers) is one of the key origins of UTC.