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
00:08:52
Local Apparent Solar Time
18:25:21
Sundial time
Local Mean Solar Time
18:38:53
Solar Parameters
Equation of Time
-13.53 min
Time Correction
-343.53 min
Hour Angle
-263.66 deg
Solar Declination
-17.78 deg
Solar Noon
17:43:31
Day of Year
31
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.