Solar Geometry Calculator

 
              

Local Etc/GMT
yyyy MM dd HH mm ss      AirMass   SolarZen       Elev       Azim
2016 06 28 07 00 00     -1.00000  116.74461  -26.74461  359.14322
2016 06 28 08 00 00     -1.00000  115.38641  -25.38641   14.41120
2016 06 28 09 00 00     -1.00000  111.15743  -21.15743   28.69179
2016 06 28 10 00 00     -1.00000  104.55242  -14.55242   41.40248
2016 06 28 11 00 00     -1.00000   96.15361   -6.15361   52.51238
2016 06 28 12 00 00     12.95789   86.26586    3.73414   62.32904
2016 06 28 13 00 00      4.03277   75.86087   14.13913   71.30179
2016 06 28 14 00 00      2.33626   64.77143   25.22857   79.95690
2016 06 28 15 00 00      1.67271   53.36263   36.63737   88.96668
2016 06 28 16 00 00      1.34274   41.92570   48.07430   99.40804
2016 06 28 17 00 00      1.16486   30.91530   59.08470  113.50371
2016 06 28 18 00 00      1.07395   21.45422   68.54578  136.66507
2016 06 28 19 00 00      1.04408   16.78631   73.21369  177.26960
2016 06 28 20 00 00      1.06773   20.58696   69.41304  219.66330
2016 06 28 21 00 00      1.15083   29.72563   60.27437  244.44687
2016 06 28 22 00 00      1.31661   40.63984   49.36016  259.20970
2016 06 28 23 00 00      1.62369   52.05904   37.94096  269.91975
2016 06 29 00 00 00      2.23190   63.48971   26.51029  279.02496
2016 06 29 01 00 00      3.72654   74.63343   15.36657  287.68070
2016 06 29 02 00 00     10.57838   85.15723    4.84277  296.58749
2016 06 29 03 00 00     -1.00000   95.12896   -5.12896  306.28259
2016 06 29 04 00 00     -1.00000  103.70484  -13.70484  317.22568
2016 06 29 05 00 00     -1.00000  110.55164  -20.55164  329.74954
2016 06 29 06 00 00     -1.00000  115.08842  -25.08842  343.87611
2016 06 29 07 00 00     -1.00000  116.79784  -26.79784  359.09064


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.