Pruebas python timezones / detectar puestas de sol

Dockerfile

FROM python:alpine

ADD requirements.txt .
RUN pip install -r requirements.txt

ADD main.py .

ENV TZ Europe/Madrid

CMD ["python", "main.py"]

main.py

#!/usr/bin/python3

from suntime import Sun
from datetime import datetime

local_timezone = datetime.utcnow().astimezone().tzinfo

latitude = 41.64496981020947
longitude = -0.8994023711401836

sun = Sun(latitude, longitude)

# Get today's sunrise and sunset in UTC
today_sr = sun.get_sunrise_time()
today_ss = sun.get_sunset_time()

print('Today at Zaragoza the sun raised at {} and get down at {} UTC'.
      format(today_sr.strftime('%H:%M'), today_ss.strftime('%H:%M')))

today_sr_local = today_sr.astimezone(local_timezone)
today_ss_local = today_ss.astimezone(local_timezone)

print('Today at Zaragoza the sun raised at {} and get down at {} {}'.
      format(today_sr_local.strftime('%H:%M'), today_ss_local.strftime('%H:%M'), local_timezone))

requirements.txt

suntime