1. This web-based sidereal time calculator uses a truncated ratio of } }. 2. The hour angle of the vernal point is, by definition, the observer's sidereal time . 3. At the moment when the vernal meridian, local apparent sidereal time is 00 : 00. 4. A clock's regulator can be adjusted so that it keeps the Mean Sidereal Time rate. 5. The sidereal time will be included, as well. 6. The orientation of Deneb and Sadr would make a useful clock hand for telling sidereal time . 7. The Natal Observatory was initially equipped with a 200 mm Dent keeping sidereal time , and some precision clocks and other minor instruments. 8. Greenwich apparent sidereal time ( GAST ) is the hour angle of the vernal equinox at the prime meridian at Greenwich, London. 9. Where A is the local sidereal time in degrees, E is the inclination of Earth's equatorial plane to the ecliptic ( Axial tilt ). 10. Sidereal time is the measurement of time relative to a distant star ( instead of solar time that is relative to the sun ).
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