Manage location and solar-time adjustments. Longitude and the equation of time affect the timing coordinates used by this model.
Saved on this device and to your signed-in account.
Geographic reference
Solar-time adjustments
Longitude correction
Adjust for the difference between actual longitude and the time-zone meridian (about 4 minutes per degree).
Equation of time correction
Account for seasonal variation caused by the Earth’s orbit and axial tilt (about ±16 minutes).
Baseline time offset (excluding the daily equation of time)
+6 minutes