Module solarposition 

Structs

SolarPosition

Output of the solar position calculation.

SunRiseSetTransit

Result of geometric sunrise/sunset/transit calculation.

Functions

declination_cooper69

Solar declination in radians using Cooper (1969).

declination_spencer71

Solar declination in radians using Spencer (1971) Fourier series.

equation_of_time_pvcdrom

Equation of time in minutes from PVCDROM / PV Education.

equation_of_time_spencer71

Equation of time in minutes using Spencer (1971) / Iqbal (1983) Fourier series.

get_solarposition

Calculate the solar position for a given location and time. This uses the NREL SPA (Solar Position Algorithm).

hour_angle

Hour angle in degrees.

nrel_earthsun_distance

Earth-sun distance in AU using Spencer (1971).

solar_azimuth_analytical

Solar azimuth angle in radians from analytical spherical trigonometry.

solar_zenith_analytical

Solar zenith angle in radians from analytical spherical trigonometry.

sun_rise_set_transit_geometric

Geometric calculation of sunrise, sunset, and transit times.