pvlib.solarposition.hour_angle#
- pvlib.solarposition.hour_angle(times, longitude, equation_of_time)[source]#
Hour angle in local solar time. Zero at local solar noon.
- Parameters
times (
pandas.DatetimeIndex
) – Corresponding timestamps, must be localized to the timezone for thelongitude
.longitude (numeric) – Longitude in degrees
equation_of_time (numeric) – Equation of time in minutes.
- Returns
hour_angle (numeric) – Hour angle in local solar time in degrees.
References
- 1
J. A. Duffie and W. A. Beckman, “Solar Engineering of Thermal Processes, 3rd Edition” pp. 13, J. Wiley and Sons, New York (2006)
- 2
J. H. Seinfeld and S. N. Pandis, “Atmospheric Chemistry and Physics” p. 132, J. Wiley (1998)
- 3
Daryl R. Myers, “Solar Radiation: Practical Modeling for Renewable Energy Applications”, p. 5 CRC Press (2013)