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From: "Greg A. Woods" <woods@robohack.ca>
To: The Unix Heritage Society mailing list <tuhs@tuhs.org>
Subject: [TUHS] Re: When did "man cal" lose the comment about 1752?
Date: Mon, 15 Jul 2024 10:44:52 -0700	[thread overview]
Message-ID: <m1sTPkr-0036s2C@more.local> (raw)
In-Reply-To: <CALQ0xCAcVKeQiXHQ8k+JRrScndocMSJdZ79sw_snMuQcPvasGA@mail.gmail.com>

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At Sun, 14 Jul 2024 17:15:53 -0400, Marc Donner <marc.donner@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@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@acm.org>

Kelowna, BC     +1 250 762-7675           RoboHack <woods@robohack.ca>
Planix, Inc. <woods@planix.com>     Avoncote Farms <woods@avoncote.ca>

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  parent reply	other threads:[~2024-07-15 17:45 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-11  1:24 [TUHS] " Dave Horsfall
2024-07-11  1:44 ` [TUHS] " Greg 'groggy' Lehey
2024-07-11  3:10   ` Dave Horsfall
2024-07-11 19:31   ` Stuff Received
2024-07-11  1:53 ` Henry Bent
2024-07-11  3:29   ` Dave Horsfall
2024-07-14 19:04   ` Greg A. Woods
2024-07-14 21:15 ` Marc Donner
2024-07-15 14:00   ` Paul Winalski
2024-07-15 18:21     ` Marc Donner
2024-07-15 18:41       ` Phil Budne
2024-07-15 17:44   ` Greg A. Woods [this message]
2024-07-15 19:03     ` Ken Thompson
2024-07-15 19:04       ` Ken Thompson
2024-07-15 20:02         ` Jaap Akkerhuis via TUHS
2024-07-15 19:33       ` Marc Donner
2024-07-16 15:54         ` Paul Winalski
2024-07-11  4:20 Rudi Blom
2024-07-15 19:52 [TUHS] " Douglas McIlroy
2024-07-16  6:59 ` [TUHS] " markus schnalke
2024-07-16 20:22   ` Steffen Nurpmeso
2024-07-16 21:21     ` segaloco via TUHS

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