[TUHS] When did "man cal" lose the comment about 1752?

[Ken Thompson]

it is worse than "per country",
alaska changed when the u.s.
bought it from russia.


On Mon, Jul 15, 2024 at 10:45 AM Greg A. Woods <woods at robohack.ca> wrote:

> At Sun, 14 Jul 2024 17:15:53 -0400, Marc Donner <marc.donner at gmail.com>
> wrote:
> Subject: [TUHS] Re: When did "man cal" lose the comment about 1752?
> >
> > My instance of cal (MacOS 14.5) has this in the man page:
> >
> >      -s country_code
> >
> >              Assume the switch from Julian to Gregorian Calendar at the
> date
> >              associated with the country_code.  If not specified, ncal
> tries
> >              to guess the switch date from the local environment or
> falls back
> >              to September 2, 1752.  This was when Great Britain and her
> >              colonies switched to the Gregorian Calendar.
>
> That's 'ncal' from FreeBSD, which is an entirely "new" implementation
> written by Wolfgang Helbig:
>
>         commit 0cb2e609d9c2f0ceaf730a57ac5c11580058e7f4
>         Author: Wolfgang Helbig <helbig at FreeBSD.org>
>         Date:   Mon Dec 15 20:35:22 1997 +0000
>
>             Add new command ncal.
>
> > Note that the switch to the Gregorian calendar happened at different
> times
> > in different countries.  In Catholic-dominated countries it happened in
> > October of 1582.  The English-speaking world, being Protestant-dominated,
> > waited until September of 1752 to adopt it.
>
> Indeed!
>
> --
>                                         Greg A. Woods <gwoods at acm.org>
>
> Kelowna, BC     +1 250 762-7675           RoboHack <woods at robohack.ca>
> Planix, Inc. <woods at planix.com>     Avoncote Farms <woods at avoncote.ca>
>
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