Greenwich apparent sidereal time

01042016, 05:34 PM
Post: #1




Greenwich apparent sidereal time
This HP Prime program calculates Greenwich apparent sidereal time. Apparent sidereal time is the angular location of Greenwich or the prime meridian with respect to the vernal equinox. It is the inertial location, measured positive along the equator in the direction of the Earth's rotation.
Here is the output from this program. demo_gast  Greenwich apparent sidereal time calendar date month 12 day 13.78452 year 2013 julian date = 2456640.28452 apparent sidereal time 5.04403159964 degrees 

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