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Re: System time/timezone, was Re: Maximum size .bash_aliases file

From David Wright <deblis@lionunicorn.co.uk>
Newsgroups linux.debian.user
Subject Re: System time/timezone, was Re: Maximum size .bash_aliases file
Date 2024-06-28 06:20 +0200
Message-ID <IUbfz-68dH-3@gated-at.bofh.it> (permalink)
References (5 earlier) <IT0cx-5kzH-3@gated-at.bofh.it> <ITynT-5I47-5@gated-at.bofh.it> <ITynT-5I47-3@gated-at.bofh.it> <ITDGV-5Lpj-1@gated-at.bofh.it> <ITE9X-5LE3-11@gated-at.bofh.it>
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On Wed 26 Jun 2024 at 12:50:32 (-0400), Greg Wooledge wrote:
> On Wed, Jun 26, 2024 at 11:25:38 -0500, John Hasler wrote:
> > I wrote:
> > > 12 Noon and 12 Midnight works.
> > 
> > David Wright wrote:
> > >  Except that The Wanderer's "strictly correct" version, M for noon,
> > > is out there in some pre-2008 documents.
> > 
> > If you use M for noon you should use either AM or PM for midnight.

That was the case in 1984¹, when they used PM, which agrees with the
expression "midnight on Saturday", and with the terminology of
deadlines, both of which assume that midnight belongs to the end
of the day. But it's still somewhat arbitrary.

By the 2000 edition, they decided to eliminate M in favour of 12 AM,
presumably because of 12 PM being already established for midnight.

Then, in the 2008 edition, they swapped AM and PM around, without
so much as a footnote.

> Or... you could STOP confusing yourself and everyone around you, and
> use the correct, standard notation.
> 
> 12:00 AM = Midnight
> 12:00 PM = Noon
> 
> Like it or not, this is what people agreed on, decades or centuries ago.
> If you use this, you will be understood.  If you make up your own crazy
> crap, you will not be.  And then you risk polluting your mind with your
> made-up crap to the point where you can no longer remember what the
> correct versions are.

I don't think that adopting AM/PM at 12 o'clock is some centuries-old
tradition, with such a recent volte-face. The best idea is just to
avoid them both. As the Chicago Manual of Style online FAQ says:

 "Q. To me, 12:00 is either noon or midnight, never a.m. or p.m.
     I keep seeing copy that says “before 12 p.m.” and I can’t
     convince the copywriters that this is confusing. Can you cite any
     rule that would clarify this once and for all?

 "A. Yes. Please see CMOS 9.38: “Except in the twenty-four-hour system
     (see 9.39), numbers should never be used to express noon or
     midnight (except, informally, in an expression like twelve o'clock
     at night). Although noon can be expressed as 12:00 m. (m. =
     meridies), very few use that form. And the term 12:00 p.m. is
     ambiguous, if not illogical.”

I was taught that at school in the 1950s. It seems it got forgotten.

¹ various editions of US Government Printing Office Style Manual.

Cheers,
David.

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Thread

Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-16 10:20 +0200
  Re: Maximum size .bash_aliases file Richard <rrosner5@gmail.com> - 2024-06-16 15:30 +0200
    Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-17 10:50 +0200
  Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-16 16:00 +0200
    Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-17 10:30 +0200
      Re: Maximum size .bash_aliases file gene heskett <gheskett@shentel.net> - 2024-06-17 13:00 +0200
      Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-17 13:30 +0200
        Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-18 10:30 +0200
          Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-18 13:10 +0200
            Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:00 +0200
      Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-17 16:20 +0200
        Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-17 16:30 +0200
          Time, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-17 17:40 +0200
            Re: Time, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-17 17:50 +0200
            Re: Time, was Re: Maximum size .bash_aliases file eben@gmx.us - 2024-06-17 19:30 +0200
              Re: Time, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:10 +0200
            Re: Time, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:10 +0200
        Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-17 18:30 +0200
          Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-17 19:30 +0200
            Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-17 19:50 +0200
              System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-18 07:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-18 10:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Jeffrey Walton <noloader@gmail.com> - 2024-06-18 10:20 +0200
                RTC, was Re: System time/timezone David Wright <deblis@lionunicorn.co.uk> - 2024-06-19 06:10 +0200
                Re: RTC, was Re: System time/timezone Nicholas Geovanis <nickgeovanis@gmail.com> - 2024-06-19 21:20 +0200
                Re: RTC, was Re: System time/timezone Greg Wooledge <greg@wooledge.org> - 2024-06-19 21:40 +0200
                Re: RTC, was Re: System time/timezone Stefan Monnier <monnier@iro.umontreal.ca> - 2024-06-20 04:00 +0200
                Re: RTC, was Re: System time/timezone Max Nikulin <manikulin@gmail.com> - 2024-06-20 04:00 +0200
                Re: RTC, was Re: System time/timezone Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:20 +0200
                Re: RTC, was Re: System time/timezone Michael Stone <mstone@debian.org> - 2024-06-20 05:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-19 06:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-19 06:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-18 13:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-19 06:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-19 13:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Jeffrey Walton <noloader@gmail.com> - 2024-06-19 19:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-20 07:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Jeffrey Walton <noloader@gmail.com> - 2024-06-20 07:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file tomas@tuxteam.de - 2024-06-20 08:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Max Nikulin <manikulin@gmail.com> - 2024-06-21 04:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-21 05:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-21 06:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-22 17:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Stefan Monnier <monnier@iro.umontreal.ca> - 2024-06-22 18:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Nicholas Geovanis <nickgeovanis@gmail.com> - 2024-06-23 04:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-23 05:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-23 06:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-23 07:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file gene heskett <gheskett@shentel.net> - 2024-06-23 08:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file eben@gmx.us - 2024-06-23 15:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file gene heskett <gheskett@shentel.net> - 2024-06-23 16:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-26 02:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file eben@gmx.us - 2024-06-26 15:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Curt <curty@free.fr> - 2024-06-24 15:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Curt <curty@free.fr> - 2024-06-24 15:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Bret Busby <bret@busby.net> - 2024-06-24 17:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Heriberto Avelino <heriberto.avelino@gmail.com> - 2024-06-26 00:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Bret Busby <bret@busby.net> - 2024-06-24 17:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file eben@gmx.us - 2024-06-24 18:10 +0200
                Re: System time/timezone Felix Miata <mrmazda@earthlink.net> - 2024-06-24 18:20 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file The Wanderer <wanderer@fastmail.fm> - 2024-06-25 00:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file John Hasler <john@sugarbit.com> - 2024-06-25 00:20 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file The Wanderer <wanderer@fastmail.fm> - 2024-06-25 00:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file "Andrew M.A. Cater" <amacater@einval.com> - 2024-06-25 10:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file debian-user@howorth.org.uk - 2024-06-26 12:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file John Hasler <john@sugarbit.com> - 2024-06-26 18:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-26 19:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-28 06:20 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Erwan DAVID <erwan@rail.eu.org> - 2024-06-28 07:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file John Crawley <john@bunsenlabs.org> - 2024-06-28 08:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-28 11:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file John Crawley <john@bunsenlabs.org> - 2024-06-30 03:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-06-25 20:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-25 21:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-26 03:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-26 02:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-26 02:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-23 14:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-24 02:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Curt <curty@free.fr> - 2024-06-23 17:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-26 02:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-21 13:20 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-22 17:00 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-22 18:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-23 06:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Jeffrey Walton <noloader@gmail.com> - 2024-06-23 07:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-21 06:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Max Nikulin <manikulin@gmail.com> - 2024-06-22 05:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-22 07:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-22 17:20 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-23 04:40 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-23 05:10 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file John Hasler <john@sugarbit.com> - 2024-06-23 21:50 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-26 02:30 +0200
                Re: System time/timezone, was Re: Maximum size .bash_aliases file Stefan Monnier <monnier@iro.umontreal.ca> - 2024-06-20 04:00 +0200
      time display was: Re: Maximum size .bash_aliases file debian-user@howorth.org.uk - 2024-06-17 17:00 +0200
        Re: time display was: Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-17 17:10 +0200
        Re: time display was: Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:20 +0200
          Re: time display was: Re: Maximum size .bash_aliases file Default User <hunguponcontent@gmail.com> - 2024-06-22 16:30 +0200
      Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-20 13:10 +0200
        Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-20 13:20 +0200
          Re: Maximum size .bash_aliases file The Wanderer <wanderer@fastmail.fm> - 2024-06-20 13:30 +0200
            Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:30 +0200
              Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-22 16:10 +0200
        Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-21 06:30 +0200
          Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-22 10:40 +0200
            Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-22 16:10 +0200
              Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-22 17:00 +0200
                Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-22 18:30 +0200
                Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-23 06:30 +0200
              Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-25 10:40 +0200
                Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-25 13:20 +0200
                Re: Maximum size .bash_aliases file debian-user@howorth.org.uk - 2024-06-25 14:30 +0200
                Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-25 15:00 +0200
                Australia/Eucla timezone abbreviation (was: Re: Maximum size  .bash_aliases file) Max Nikulin <manikulin@gmail.com> - 2024-06-25 17:20 +0200
            Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-22 17:10 +0200
              Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-25 10:50 +0200
  Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-17 06:40 +0200
    Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-17 10:50 +0200
      Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-17 11:20 +0200
        Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-17 14:10 +0200
          Re: Maximum size .bash_aliases file <tomas@tuxteam.de> - 2024-06-17 14:20 +0200
      Re: Maximum size .bash_aliases file Greg Wooledge <greg@wooledge.org> - 2024-06-17 13:30 +0200
      Re: Maximum size .bash_aliases file David Wright <deblis@lionunicorn.co.uk> - 2024-06-17 17:50 +0200
  Re: Maximum size .bash_aliases file Keith Bainbridge <keithrbau@gmail.com> - 2024-06-17 11:00 +0200

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