SolarTime

SolarTime[] gives the angle on the celestial equator between the Sun and the local antimeridian for the current location and date.

SolarTime[loc] gives the solar time angle for the specified location and current date.

SolarTime[date] gives the solar time angle for the specified date and current location.

SolarTime[loc,date] gives the solar time for the specified location and date.

SolarTime["MeanTime",loc,date] gives the mean solar time for the specified location and date.

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