![sidereal hour angle sidereal hour angle](https://www.tekportal.net/wp-content/uploads/2018/12/sidereal-hour-angle.gif)
sidereal hour angle noun Astronomy.
- the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.
Compare hour angle.
sidereal hour angle noun Astronomy.
Compare hour angle.