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Re: Storing dates

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups comp.databases.mysql, comp.lang.php
Subject Re: Storing dates
Followup-To comp.databases.mysql
Date 2014-06-24 22:27 +0200
Organization PointedEars Software (PES)
Message-ID <3264588.42vFuQR85F@PointedEars.de> (permalink)
References (7 earlier) <53A67D5D.5040408@arnowelzel.de> <c0ngttFu63jU1@mid.individual.net> <53A6EC88.4070607@arnowelzel.de> <wab44z6q2tyd.1b01vzkzvpxl4$.dlg@40tude.net> <85beq993n71e18qt5drse566rq5sehvm6n@4ax.com>

Cross-posted to 2 groups.

Followups directed to: comp.databases.mysql

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J�rgen Exner wrote:
^^^^^^^^^^^^
Unencoded non-ASCII characters in message headers are not allowed by
RFC 5536.  Please fix your newsreader or switch to a working one.

> On Sun, 22 Jun 2014 13:55:49 -0400, richard <noreply@example.com> wrote
> in comp.databases.mysql:

It's attribution *line*, _not_ attribution novel.  Please adjust/fix your 
newsreader or switch to one that allows you to not make life harder for your 
readers.

>>>>> BTW: This is why ISO 8601 had been invented
>>> Of course it was just a typo and 1967-09-12 is for 12. September of 1967
>>> ;-)
>>
>>But how are us humans supposed to know which comes first?
> 
> Simple: because it is unambiguously defined in ISO 8601.
                        ^^^^^^^^^^^^^
Which is why …
 
>>what if you see 1967-31-09?
> 
> Then you are not seeing a valid date in ISO-8601 format.

… that statement is wrong.

The ISO 8601 date format is unambiguously defined because it always has the 
year number (Y), followed by the month number (M), optionally followed by 
the day-of-month number (D): YYYY-MM-DD or YYYYMMDD.  Whereas YYYY, YYYY-MM, 
YY-MM-DD, and YYMMDD had been allowed, but the latter two were recommended 
against and have been abolished in 2004 CE.

There is no YYYY-DD-MM format specified there, and since there are only 12 
months in the Gregorian calendar, there cannot be a 31st.

<https://en.wikipedia.org/wiki/ISO_8601#Calendar_dates>

F'up2 comp.lang.mysql
 
-- 
When all you know is jQuery, every problem looks $(olvable).

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Thread

Putting it all together richard <noreply@example.com> - 2014-06-20 10:20 -0400
  Re: Putting it all together Evan Platt <evan@theobvious.espphotography.com.invalid> - 2014-06-20 08:11 -0700
    Re: Putting it all together richard <noreply@example.com> - 2014-06-20 11:24 -0400
      Re: Putting it all together Doug Miller <doug_at_milmac_dot_com@example.com> - 2014-06-20 17:15 +0000
      Re: Putting it all together Evan Platt <evan@theobvious.espphotography.com.invalid> - 2014-06-20 20:01 -0700
  Re: Putting it all together Jürgen Exner <jurgenex@hotmail.com> - 2014-06-20 08:21 -0700
  Re: Putting it all together Norman Peelman <npeelman@cfl.rr.com> - 2014-06-20 21:06 -0400
  Re: Putting it all together Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-21 03:02 +0000
  Re: Putting it all together Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-21 03:09 +0000
  Re: Putting it all together Jürgen Exner <jurgenex@hotmail.com> - 2014-06-20 20:13 -0700
    Re: Putting it all together richard <noreply@example.com> - 2014-06-20 23:34 -0400
      Re: Putting it all together Jürgen Exner <jurgenex@hotmail.com> - 2014-06-20 20:48 -0700
      Re: Putting it all together Evan Platt <evan@theobvious.espphotography.com.invalid> - 2014-06-20 21:00 -0700
      Re: Putting it all together Doug Miller <doug_at_milmac_dot_com@example.com> - 2014-06-21 04:22 +0000
        Re: Putting it all together Jürgen Exner <jurgenex@hotmail.com> - 2014-06-20 22:11 -0700
          Re: Putting it all together Evan Platt <evan@theobvious.espphotography.com.invalid> - 2014-06-20 22:39 -0700
        Re: Putting it all together gordonb.zp2md@burditt.org (Gordon Burditt) - 2014-06-21 04:15 -0500
          Storing dates (was: Putting it all together) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-21 12:15 +0200
            Re: Storing dates richard <noreply@example.com> - 2014-06-21 11:10 -0400
              Re: Storing dates Doug Miller <doug_at_milmac_dot_com@example.com> - 2014-06-21 17:42 +0000
                Re: Storing dates richard <noreply@example.com> - 2014-06-21 14:28 -0400
                Re: Storing dates Jürgen Exner <jurgenex@hotmail.com> - 2014-06-21 12:04 -0700
                Re: Storing dates Doug Miller <doug_at_milmac_dot_com@example.com> - 2014-06-21 19:06 +0000
                Re: Storing dates Tim Streater <timstreater@greenbee.net> - 2014-06-21 22:06 +0100
                Re: Storing dates Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-21 17:09 -0400
                Re: Storing dates Tim Streater <timstreater@greenbee.net> - 2014-06-21 22:33 +0100
                Re: Storing dates Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-21 17:49 -0400
                Re: Storing dates Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-22 14:38 +0200
                Re: Storing dates Jürgen Exner <jurgenex@hotmail.com> - 2014-06-21 14:31 -0700
                Re: Storing dates Tim Streater <timstreater@greenbee.net> - 2014-06-21 22:44 +0100
                Re: Storing dates Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-22 14:59 +0200
                Re: Storing dates Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-21 23:19 +0000
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-22 08:53 +0200
                Re: Storing dates "Erick T. Barkhuis" <erick.use-net@ardane.c.o.m> - 2014-06-22 08:03 +0000
                Re: Storing dates Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-22 09:29 -0400
                Re: Storing dates "Erick T. Barkhuis" <erick.use-net@ardane.c.o.m> - 2014-06-22 14:24 +0000
                Re: Storing dates Jerry Stuckle <jstucklex@attglobal.net> - 2014-06-22 10:32 -0400
                Re: Storing dates "Erick T. Barkhuis" <erick.use-net@ardane.c.o.m> - 2014-06-22 14:45 +0000
                Re: Storing dates Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-22 19:44 +0000
                Re: Storing dates Jürgen Exner <jurgenex@hotmail.com> - 2014-06-22 08:26 -0700
                Re: Storing dates gordonb.q26od@burditt.org (Gordon Burditt) - 2014-06-22 10:00 -0500
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-22 16:47 +0200
                Re: Storing dates richard <noreply@example.com> - 2014-06-22 13:55 -0400
                Re: Storing dates Jürgen Exner <jurgenex@hotmail.com> - 2014-06-22 12:31 -0700
                Re: Storing dates Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-24 22:27 +0200
                Re: Storing dates Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-22 19:52 +0000
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-22 21:52 +0200
                Re: Storing dates richard <noreply@example.com> - 2014-06-22 14:05 -0400
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-22 21:56 +0200
                Re: Storing dates richard <noreply@example.com> - 2014-06-22 22:46 -0400
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-23 08:11 +0200
                Re: Storing dates richard <noreply@example.com> - 2014-06-23 02:37 -0400
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-23 11:10 +0200
                Re: Storing dates Evan Platt <evan@theobvious.espphotography.com.invalid> - 2014-06-23 06:50 -0700
                Re: Storing dates richard <noreply@example.com> - 2014-06-23 11:13 -0400
                Re: Storing dates Evan Platt <evan@theobvious.espphotography.com.invalid> - 2014-06-23 09:13 -0700
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-23 22:33 +0200
                Re: Storing dates richard <noreply@example.com> - 2014-06-22 23:04 -0400
                Re: Storing dates Arno Welzel <usenet@arnowelzel.de> - 2014-06-23 08:12 +0200
                Re: Storing dates Geoff Muldoon <geoff.muldoon@trap.gmail.com> - 2014-06-23 16:45 +1000
                Re: Storing dates richard <noreply@example.com> - 2014-06-23 07:58 -0400
                Re: Storing dates Jürgen Exner <jurgenex@hotmail.com> - 2014-06-23 09:50 -0700
                Re: Storing dates Christoph Michael Becker <cmbecker69@arcor.de> - 2014-06-23 19:02 +0200
                Re: Storing dates Geoff Muldoon <geoff.muldoon@trap.gmail.com> - 2014-06-24 12:00 +1000
                Re: Storing dates Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-24 22:38 +0200
                Re: Storing dates Jürgen Exner <jurgenex@hotmail.com> - 2014-06-22 15:30 -0700
                Re: Storing dates "Peter H. Coffin" <hellsop@ninehells.com> - 2014-06-22 20:10 -0500
          Re: Putting it all together Jürgen Exner <jurgenex@hotmail.com> - 2014-06-21 03:34 -0700
      Re: Putting it all together Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-21 10:23 +0000
      Re: Putting it all together bill <william@TechServSys.com> - 2014-06-21 07:03 -0400
        Re: Putting it all together Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-21 15:11 +0000
      Re: Putting it all together "Peter H. Coffin" <hellsop@ninehells.com> - 2014-06-21 10:57 -0500
      Re: Putting it all together Arno Welzel <usenet@arnowelzel.de> - 2014-06-22 08:45 +0200

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