Noun has 2 senses

• hour angle(n = noun.location) - the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body;


• hour angle(n = noun.shape) ha - (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day;