Your link to this webarchive wayback time machine page is no longer valid, on the README page. https://web.archive.org/web/20161202180207/http://williams.best.vwh.net/sunrise_sunset_algorithm.htm. I think its here now. http://www.edwilliams.org/sunrise_sunset_algorithm.htm
Your link to this webarchive wayback time machine page is no longer valid, on the README page. https://web.archive.org/web/20161202180207/http://williams.best.vwh.net/sunrise_sunset_algorithm.htm.
I think its here now.
http://www.edwilliams.org/sunrise_sunset_algorithm.htm