Solar Geometry Calculator

 
              

Local Etc/GMT
yyyy MM dd HH mm ss  
2021 04 20 02 00 00  
2021 04 20 03 00 00  
2021 04 20 04 00 00  
2021 04 20 05 00 00  
2021 04 20 06 00 00  
2021 04 20 07 00 00  
2021 04 20 08 00 00  
2021 04 20 09 00 00  
2021 04 20 10 00 00  
2021 04 20 11 00 00  
2021 04 20 12 00 00  
2021 04 20 13 00 00  
2021 04 20 14 00 00  
2021 04 20 15 00 00  
2021 04 20 16 00 00  
2021 04 20 17 00 00  
2021 04 20 18 00 00  
2021 04 20 19 00 00  
2021 04 20 20 00 00  
2021 04 20 21 00 00  
2021 04 20 22 00 00  
2021 04 20 23 00 00  
2021 04 21 00 00 00  
2021 04 21 01 00 00  
2021 04 21 02 00 00  


Latitude:
-90.0 to +90.0, Negative for South, Positive for North.

Longitude:
-180.0 to +180.0, Negative for East, Positive for West.

Start Date:
Enter start date in the format yyyy-MM-dd HH:mm [UTC]

End Date:
Enter end date in the format yyyy-MM-dd HH:mm [UTC]

Interval:
The internal (in seconds) between successive solar calculations.

Date Format:
Examples:
yyyy/MM-dd_DDD hh:mm:ss aa
yyyyMMdd[DDD]HHmmss
Air mass
If the sun is below the horizon, Air mass = -1.0000. Toggle the checkbox to enable/disable column in report.

Air mass Calculation
Airmass = 1.0/(cos(90 - elev) + 0.50572 * (6.07995 + elev)-1.6364)

Solar Zenith Angle
Solar elevation in Degrees from zenith (90°). Angles are corrected for atmospheric diffraction. Toggle the checkbox to enable/disable column in report.

Elevation:
Solar elevation in Degrees above horizon (0 degrees). Angles are corrected for atmospheric diffraction. Toggle the checkbox to enable/disable column in report.

Azimuth:
Sun azimuth, 0° = N, 90° = E, 180° = S, 270° = W. Toggle the checkbox to enable/disable column in report.