In 1281901727.14657.141.ca...@mckown5.johnmckown.net, on 08/15/2010
at 02:48 PM, John McKown joa...@swbell.net said:
Believe it or not, our 20xx dates are encoded x'9A001' for 2000,
Which would imply that you had to track down every program that did
arithmetic on dates.
--
Shmuel
-Original Message-
From: IBM Mainframe Discussion List
[mailto:ibm-m...@bama.ua.edu] On Behalf Of Shmuel Metz (Seymour J.)
Sent: Monday, August 16, 2010 4:56 AM
To: IBM-MAIN@bama.ua.edu
Subject: Re: [Fwd: Re: date formats]
In 1281901727.14657.141.ca...@mckown5.johnmckown.net
On Sun, 15 Aug 2010 20:01:49 -0500, Joel C. Ewing wrote:
The point of Shmuel's comment, of course, is that the one most common,
unavoidable-in-MVS place where dates of the form yyddd were in
wide-scale use was in SMF accounting records. The format there is
packed-decimal, so hex digits are out.
zMan wrote:
On Fri, Aug 13, 2010 at 12:29 PM, Brian Kennelly
brian+ibm-m...@bkennelly.net wrote, re days so far in the year as
a date format:
That is actually a very import format, as well as the full format returned
by the TIME macro: 0cyyddd. (Century, year, days in year.)
Sure, days this
In aanlktinywtvwhvqwd8ogoog2kkotyyis40s9taxbj...@mail.gmail.com, on
08/13/2010
at 12:25 PM, zMan zedgarhoo...@gmail.com said:
How many different date formats are there?
How many would you like? Are you only concerned with the Gregorian
calendar?
There's the hardware timestamp,
With your
In listserv%201008131709378676.0...@bama.ua.edu, on 08/13/2010
at 05:09 PM, Paul Gilmartin paulgboul...@aim.com said:
I'll agree enthusiastically except where the change could be made in
a compatible manner, altering no sizes, displacements, nor content of
existing data bases. One example
On Sun, 2010-08-15 at 08:23 -0400, Shmuel Metz (Seymour J.) wrote:
In listserv%201008131709378676.0...@bama.ua.edu, on 08/13/2010
at 05:09 PM, Paul Gilmartin paulgboul...@aim.com said:
I'll agree enthusiastically except where the change could be made in
a compatible manner, altering no
Forwarded Message
From: John McKown joa...@swbell.net
Subject: Re: date formats
Date: Sun, 15 Aug 2010 13:27:39 -0500
On Sun, 2010-08-15 at 08:23 -0400, Shmuel Metz (Seymour J.) wrote:
In listserv%201008131709378676.0...@bama.ua.edu, on 08/13/2010
at 05:09 PM, Paul
On Sun, 15 Aug 2010 08:23:18 -0400, Shmuel Metz (Seymour J.) wrote:
In listserv%201008131709378676.0...@bama.ua.edu, on 08/13/2010
at 05:09 PM, Paul Gilmartin said:
I'll agree enthusiastically except where the change could be made in
a compatible manner, altering no sizes, displacements, nor
On Sun, Aug 15, 2010 at 2:48 PM, John McKown joa...@swbell.net wrote:
Believe it or not, our 20xx dates are encoded x'9A001' for 2000, and so
on up the alphabet. I wasn't in on this, so I don't know where it
terminates. But x'9F' is the max - 2015. So the world better end in
2012! grin
x'90'
of what date formats should be supported by
a conversion routine has a different answer if the object is to support
a single installation rather than for a general purpose vendor utility.
It makes sense that local installation standards should try to minimize
the number of different date
What about NETTIME used by NTP (and friends).
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How many different date formats are there? There's the hardware
timestamp, in two forms (original, with the 2046 rollover, and the
extended one -- what is that, a STCKE instruction?). There's something
called an Oracle format date. There's some UNIX format that rolls
over in 2034 or some such (tsk
@bama.ua.edu
Subject: Date formats
How many different date formats are there? There's the hardware timestamp, in
two forms (original, with the 2046 rollover, and the extended one -- what is
that, a STCKE instruction?). There's something called an Oracle format date.
There's some UNIX format that rolls
On Fri, Aug 13, 2010 at 09:25, zMan zedgarhoo...@gmail.com wrote:
Rexx has a few others, but they're conveniences, like the number of
days this year -- I don't really consider that a date format, though
it's useful sometimes.
That is actually a very import format, as well as the full format
and The MEGA
Life and Health Insurance Company.SM
-Original Message-
From: IBM Mainframe Discussion List
[mailto:ibm-m...@bama.ua.edu] On Behalf Of zMan
Sent: Friday, August 13, 2010 11:25 AM
To: IBM-MAIN@bama.ua.edu
Subject: Date formats
How many different date formats
Of
zMan
Sent: Friday, August 13, 2010 11:25
To: IBM-MAIN@bama.ua.edu
Subject: Date formats
How many different date formats are there? There's the hardware
timestamp, in two forms (original, with the 2046 rollover, and the
extended one -- what is that, a STCKE instruction?). There's something
called
Company.SM
-Original Message-
From: IBM Mainframe Discussion List
[mailto:ibm-m...@bama.ua.edu] On Behalf Of zMan
Sent: Friday, August 13, 2010 11:25 AM
To: IBM-MAIN@bama.ua.edu
Subject: Date formats
How many different date formats are there? There's the hardware
timestamp, in two
On Fri, Aug 13, 2010 at 12:29 PM, Brian Kennelly
brian+ibm-m...@bkennelly.net wrote, re days so far in the year as
a date format:
That is actually a very import format, as well as the full format returned
by the TIME macro: 0cyyddd. (Century, year, days in year.)
Sure, days this year can be
On Fri, Aug 13, 2010 at 12:32 PM, McKown, John
john.mck...@healthmarkets.com wrote:
There are two that I know of which you did not mention. Lilian and COBOL.
COBOL is an integer which is the number of days since 31Dec1600. Lilian is an
integer which is the number of days since 14Oct1582.
Wow,
On Fri, Aug 13, 2010 at 10:42, zMan zedgarhoo...@gmail.com wrote:
Sure, days this year can be useful, but does anyone store dates as
days so far in the year? It's basically the Julian date without
the year.
Yes, they do. I worked on a data conversion product a few years ago for a
software
SAS uses lots of date formats. ISO 8601 is a good spot to look for a
large list.
http://support.sas.com/documentation/cdl/en/lrdict/63026/HTML/default/a003169814.htm
http://en.wikipedia.org/wiki/ISO_8601
zMan wrote:
How many different date formats are there? There's the hardware
timestamp
SAS uses lots of date formats. ISO 8601 is a good spot to look for a large
list.
Now, you have to be careful about that statement!
SAS displays a lot of formats.
But, usually, there is only one internal format.
Days from June 1, 1960, iirc.
-
I'm a SuperHero with neither powers, nor
Of
zMan
Sent: Friday, August 13, 2010 9:25 AM
To: IBM-MAIN@bama.ua.edu
Subject: Date formats
How many different date formats are there? There's the hardware
timestamp, in two forms (original, with the 2046 rollover, and the
extended one -- what is that, a STCKE instruction?). There's something
Years ago, Dr Merrill stated that MXG probably processed more different date
and time formats than any other software package.
MXG had that facilty mainly because SAS could do most of them.
But, once read, they were stored in internal (SAS) format.
Don't get me wrong.
MXG is a great example of
of the
Julian astronomical calendar.
Storing multiple date formats is a mug's game. It brings the need for too many
conversion routines in train.
The canonical reference for all calendrical calculations, which I have
mentioned on IBM-MAIN before, is
Nachum Dershowitz Edward M. Reingold
On Fri, 13 Aug 2010 12:25:01 -0400, zMan wrote:
How many different date formats are there? There's the hardware
timestamp, in two forms (original, with the 2046 rollover, and the
extended one -- what is that, a STCKE instruction?). There's something
ETOD ends at the same point as TOD, despite
On Fri, 13 Aug 2010 18:48:55 +, john gilmore wrote:
The obvious epoch origin to use is that for CE and BCE dates, viz.,
December 31 of the Gregorian calendar. Other epoch origins can then be
supported simply using a table of displacements.
That would be a proleptic Gregorian
.
Storing multiple date formats is a mug's game. It brings the need for too many conversion routines in train.
The canonical reference for all calendrical calculations, which I have mentioned on IBM-MAIN before, is
Nachum Dershowitz Edward M. Reingold. Calendrical computations. Cambridge
Don Poitras wrote:
SAS uses lots of date formats. ISO 8601 is a good spot to look for a
large list.
http://support.sas.com/documentation/cdl/en/lrdict/63026/HTML/default/a003169814.htm
http://en.wikipedia.org/wiki/ISO_8601
zMan wrote:
How many different date formats are there? There's
Paul Gilmartin wrote:
| That would be a proleptic Gregorian date?
and the answer to his question is that the dates of all days that occur before
a calendar's epoch origin are proleptic for that calendar by definition. Their
day numbers are negative. The use of a fullword for Gregorian day
On Fri, 13 Aug 2010 21:49:19 +, john gilmore wrote:
| That would be a proleptic Gregorian date?
and the answer to his question is that the dates of all days that occur before
a calendar's epoch origin are proleptic for that calendar by definition.
Their day numbers are negative. The
On 08/13/2010 12:43 PM, zMan wrote:
On Fri, Aug 13, 2010 at 12:32 PM, McKown, John
john.mck...@healthmarkets.com wrote:
There are two that I know of which you did not mention. Lilian and COBOL.
COBOL is an integer which is the number of days since 31Dec1600. Lilian is
an integer which is
On Fri, Aug 13, 2010 at 5:09 PM, Paul Gilmartin paulgboul...@aim.com wrote:
deleted
I was more thinking of 1582. Wikipedia (which is always right
except when it disagrees with you) says:
http://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar
The proleptic Gregorian calendar is
See below
From: William M Klein [mailto:wmkl...@ix.netcom.com]
Sent: Friday, August 13, 2010 10:25 PM
To: William M. Klein
Subject: Date formats
On 08/13/2010 12:43 PM, zMan wrote:
On Fri, Aug 13, 2010 at 12:32 PM, McKown, John
john.mck...@healthmarkets.com wrote:
There are two that I
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