Re: Date field's and their file space usage.

[Tony Carolla <carolla@xxxxxxxxx>]

It is also the accepted date of the death of Teresa of Avila, the
reformer of the Carmelite order.  (amazing what you can google ;-)


On Tue, 11 Jan 2005 15:37:23 -0500, Haas, Matt <Matt.Haas@xxxxxxxxxxx> wrote:
> October 14, 1582 is when the Gregorian calendar was introduced.
> 
> Matt
> 
> -----Original Message-----
> From: Joe Lee [mailto:LeeJD@xxxxxx]
> Sent: Tuesday, January 11, 2005 3:27 PM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: RE: Date field's and their file space usage.
> 
> 4713 BCE? why not 4712 or 4714? For that matter why October 14, 1582? At
> least the Unix date time values with a base of January 1, 1970 makes
> some sense, but who came up with these other base dates, and why?
> 
> Joe Lee
> 
> >>> cozzi@xxxxxxxxx 01/11/2005 12:18:06 >>>
> Yes, I know/knew about the scaliger number but didn't want to use big
> words.
> <vbg>
> 
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of Bruce Vining
> Sent: Tuesday, January 11, 2005 1:01 PM
> To: RPG programming on the AS400 / iSeries
> Subject: RE: Date field's and their file space usage.
> 
> > Date fields are all stored internally as a 4-byte integer. The value
> stored
> > is the number of days since January 1, 0001 or October 14, 1582, I'm
> not
> > sure which it is.
> 
> A minor point but date fields are actually stored using Scaliger
> numbers
> which have a base of January 1 4713 BCE.
> 
> October 14 1582 is the base date for Lilian numbers which are used by
> the
> ILE CEE Date APIs.
> 
> --
> This is the RPG programming on the AS400 / iSeries (RPG400-L) mailing list
> To post a message email: RPG400-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
> or email: RPG400-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/rpg400-l.
> 
> 


-- 
"Enter any 11-digit prime number to continue..."