Re: sunrise and sunset times

[Jude DaShiell]

There are several different kinds of sunrise and sunsets.  Civil and 
nautical and astronomical are three that come to mind immediately.

On Fri, 29 Jul 2016, Conor Matthew wrote:

> Date: Fri, 29 Jul 2016 10:34:08
> From: Conor Matthew <conormatthew@openmailbox.org>
> To: help-gnu-emacs@gnu.org
> Subject: sunrise and sunset times
>
> https://www.gnu.org/software/emacs/manual/html_node/emacs/Sunrise_002fSunset.html
>
> For 0N 0W
>
> Emacs gives
> sunrise 0704
> sunset 1909
>
> http://aa.usno.navy.mil/cgi-bin/aa_rstablew.pl?ID=AA&year=2016&task=0&place=&lon_sign=-1&lon_deg=&lon_min=&lat_sign=1&lat_deg=&lat_min=&tz=1&tz_sign=1
> gives
> sunrise 0703
> sunset 1910
>
> and http://www.risacher.org/sunwait/
> sunwait list angle 0 0N 0W
> gives
> sunrise 0706
> sunset 1906
>
> for today 29th.
>
> Does http://aa.usno.navy.mil/data/docs/RS_OneYear.php give the correct 
> answer?
>
> Best wishes,
>
> Conor

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