Solar Time Calculator
Calculate Local Apparent Solar Time (sundial time), Mean Solar Time, Equation of Time, and Hour Angle for precise solar positioning.
Solar Time Results
Local Standard Time
22:36:38
Local Apparent Solar Time
17:09:31
Sundial time
Local Mean Solar Time
17:06:38
Solar Parameters
Equation of Time
2.89 min
Time Correction
-327.11 min
Hour Angle
77.38 deg
Solar Declination
21.44 deg
Solar Noon
17:27:06
Day of Year
148
LSTM
82.5 deg
Longitude Correction
-330.00 min
About Solar Time
Local Apparent Solar Time (LAST) is the time shown by a sundial. It differs from clock time due to: (1) the Equation of Time - caused by Earth's elliptical orbit and axial tilt, and (2) longitude difference from the timezone's standard meridian. Mean Solar Time averages out the Equation of Time variations throughout the year.
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Formula Source: Standard Mathematical References
by Various