Global Solar Calculator

Calculate cosine of solar zenith angle for any location worldwide

How to Use:

  1. Search for a city or enter coordinates manually
  2. Select date and time (or use current time)
  3. Click "Calculate Solar Position"
  4. View results and daily solar profile

Select Location

Search City
Enter Coordinates
North: positive, South: negative
East: positive, West: negative

Select Date & Time

Karachi, Pakistan
24.8607° N, 67.0011° E
Local Time: 12:00 UTC: 07:00
Cosine of Solar Zenith Angle
0.85
Solar Zenith Angle: 31.8°
58.2°
Solar Elevation
187.3°
Solar Azimuth
172
Day of Year
15.5°
Hour Angle

Solar Radiation Intensity

High solar intensity - Direct sunlight at this time. Ideal for solar energy generation.

cos θz ≥ 0.7 (Excellent)
0.3 ≤ cos θz < 0.7 (Good)
cos θz < 0.3 (Low)