sunrise-sunset.sh

#!/bin/sh

# https://sunrise-sunset.org/api
# MANUAL xD
# ./sunrise-sunset.sh | tee  slonce-poznan-2023.csv

# Poznań
Lat=52.4006632
Lon=16.91973259178088

# date
year=2023

echo "date, civil twilight begin [UTC], sunrise [UTC], sunset [UTC], civil twilight end [UTC]"
for d in {0..364}
do
  date=`date --date="${year}0101 +${d}days" -I"date"` # CUDO xD
  url="https://api.sunrise-sunset.org/json?lat=${Lat}&lng=${Lon}&date=${date}&formatted=1"
  j=`curl --silent ${url}`
  #echo ${j} | jq .results.civil_twilight_begin
  printf "%s, %s, %s, %s, %s\n"                         \
    ${date}                                             \
    "`echo ${j} | jq .results.civil_twilight_begin`"    \
    "`echo ${j} | jq .results.sunrise`"                 \
    "`echo ${j} | jq .results.sunset`"                  \
    "`echo ${j} | jq .results.civil_twilight_end`"
  sleep 2
done