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'
On 08/15/2010 03:07 PM, Paul Gilmartin wrote:
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
What about NETTIME used by NTP (and friends).
--
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You forgot SMF time: number of hundredths of seconds since midnight.
Jon L. Veilleux
veilleu...@aetna.com
(860) 636-9179
-Original Message-
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of
zMan
Sent: Friday, August 13, 2010 12:25 PM
To:
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
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.
--
John McKown
Systems Engineer IV
IT
Administrative Services Group
HealthMarkets®
Having grown up using dd/mm/yy then having to switch to mm/dd/yy so I don't
know whether my birthday is 09/06 or 06/09 I'm partial to a ddmmmyy format
where mmm is JAN, FEB, ... DEC
Alan
-Original Message-
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of
The International Astronomical Union uses the Julian Date / Time format.
0 was at January 1, 4713 BCE Greenwich noon, increments by 1 per day,
decimal fraction of day for time.
http://en.wikipedia.org/wiki/Julian_day
Various Gregorian calendar formats, including a list by country.
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
Years ago, Dr Merrill stated that MXG probably processed more different date
and time formats than any other software package. If you have access to it, it
may provide a good starting point.
-Original Message-
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf
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
Formats are of interest for displaying|printing dates.
They are of almost no interest for storing dates, which should be stored as
signed integers that specify day counts before and after some epoch origin,
giving each day a serial number in the sequence
. . . , -2, -1, 0, +1, +2, . . .
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
john gilmore wrote:
Formats are of interest for displaying|printing dates.
They are of almost no interest for storing dates, which should be
stored as signed integers that specify day counts before and after
some epoch origin, giving each day a serial number in the sequence
Oh my! Should
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 the
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
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