Solarlib

from solarlib.location import Location
import datetime
import pytz

Define a location

latitude = -31.9505
longitude = 115.8605
timezone = 'Australia/Perth'
perth = Location(latitude,longitude,timezone)

Sunrise

The output is a python datetime object.

print(perth.sunrise('2020-06-27'))

2020-06-27 07:17:33.495057+08:00

Sunset

The output is a python datetime object.

print(perth.sunset('2020-06-27'))

2020-06-27 17:21:50.791503+08:00

Day length

The output is a python timedelta object.

print(perth.day_length('2020-06-27'))

10:04:17.296446

Solar irradiance

The output is irradiance in $kW/m^2$.

perth.solar_irradiance('2020-06-27 14:27:00')

0.7360521598862617

Irradiance throughout a day

import matplotlib.pyplot as plt

output = perth.daily_irradiance('2020-06-27')
time, irradiance = list(zip(*output))
plt.plot(time,irradiance)