What is another word for hour angle?
Pronunciation: [ˈa͡ʊ͡əɹ ˈaŋɡə͡l] (IPA) 
Hour angle, also known as the sidereal time or right ascension, is a term used in astronomy to define the angular distance between the meridian and a celestial body. There are many words that are synonyms for the phrase "hour angle." Some of the most common synonyms include sidereal angle, equatorial angle, and celestial angle. Other synonyms for hour angle may include right ascension angle, hour angle of right ascension, and hour circle. Regardless of which term is used to describe hour angle, the concept is essential to understanding celestial navigation, timekeeping, and astronomical observations.
