Subject: Re: Serial Date formula From: "Chris Beck" Date: Fri, 13 Apr 2001 13:18:17 -0500

```That is correct according to what I just found in the excel help files.
01/01/1900 = Day 1

>>> eMail@James-W-Kilgore.com 04/13/01 08:21AM >>>
Neil,

I suppose duration is like field positions, end - begin +1 = length

If I made an adjustment for 1 that would bring it to 12-31-1899 as the 0
base date and day 1 would be 01-01-1900, but that seems a little
convoluted.

Neil Palmer wrote:
>
> So could the 2 day difference in the calculations be because someone isn't
> counting 1900 & 2000 as leap years ?
>
> ...Neil
>
> "James W. Kilgore" <eMail@James-W-Kilgore.com>

>
> The following gave me 1899-12-30 as the base date
>
>  H
>  DCURRDATE         S               D   DATFMT(*ISO) INZ(D'2001-03-18')
>  DBASEDATE         S               D   DATFMT(*ISO) INZ(D'2001-03-18')
>  C     CURRDATE      SUBDUR    36968:*D      BASEDATE
>  C                   DSPLY                   BASEDATE
>  C                   SETON                                        LR
>
> Chris Beck wrote:
> >
> > Can someone tell the formula to convert 20010318  to 36968.
> >
> > This would be just like the DATEVALUE in Excel.
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