Time scales
The calculator converts an input time to the mean solar, apparent solar, sidereal, standard or universal time.
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Time scales
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Solar and UT0 time scales require the observer latitude and longitude. Uncheck to enter the coordinates by hand.
°
′
″
°
′
″
Digits after the decimal point: 3
Latitude
Longitude
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Sidereal time, degrees
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Calculators used by this calculator
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