What is the meaning of hour angle?

noun

  • The angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body.
  • 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. (.
    • synonyms: HA
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). hour angle. Retrieved September 23, 2026, from http://smartdefine.org/hour_angle/definitions/1224293
ChicagoWordNet. 2010. "hour angle" http://smartdefine.org/hour_angle/definitions/1224293 (accessed September 23, 2026).
HarvardWordNet 2010, hour angle, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/hour_angle/definitions/1224293>.
MLAWordNet. "hour angle" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/hour_angle/definitions/1224293>