"I don't know why they chose 4713 BC as the starting year."

http://en.wikipedia.org/wiki/Julian_Period

Axton

On 10/17/07, Thilo Stapff <[EMAIL PROTECTED]> wrote:
> The BMC "Form and Application Objects" Guide says:
>
> Users can enter dates from January 1, 4713 B.C. to January 1, 9999 A.D.
>
>
> 2440588 is the difference (in days) between January 1, 1970 AD and
> January 1, 4713 BC.
> I don't know why they chose 4713 BC as the starting year.
>
>
> Regards,
> Thilo Stapff
>
>
> Pittman, Timothy wrote:
> > Thanks.  That worked.  I understand where 86400 came from, but what is
> > the significance of 2440588?
> >
> > Tim Pittman
> > Project Engineer
> > Respironics, Inc.
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Thilo Stapff
> > Sent: Wednesday, October 17, 2007 1:03 PM
> > To: ARSperl User Discussion
> > Subject: Re: [Arsperl-users] Inserting a date in ARSPerl
> >
> >
> > Unfortunately, date fields (unlike date/time fields) are only supported
> > since ARSperl version 1.90
> >
> > The value has to be an integer which can be computed from an epoch
> > timestamp by
> >
> > int( $epoch_time / 86400 ) + 2440588
> >
> >
> > Regards,
> > Thilo Stapff
> >
> >
> > Pittman, Timothy wrote:
> >> I have been having considerable difficulty trying to use ARSPerl to
> >> create an entry with a date.  My web page is prompting the user to
> > enter
> >> a date, which I'm assuming will be in the format mm/dd/yyyy.  I am
> > using
> >> the perl module ParseDate to attempt to figure out what they enter.
> > In
> >> any case, I need to convert this user-entered value into some format
> >> that ars_CreateEntry can deal with.  My code does this:
> >>
> >>      ($entryId = ars_CreateEntry($ctrl, $shopSchema,
> >>              $sf{"Description"}, $details,
> >>              ... various fields you don't care about...
> >>              $sf{"Date Required"}, "$date1",
> >>              ... more fields...
> >>              $sf{"Status"}, "Submitted"))
> >>              or print  "\n<p>[ERROR]\tCould not add shop order due to
> >> $ars_errstr<b><br>\n";
> >>
> >> I have tried numerous ways of formatting the date field $date1 above
> > to
> >> attempt to get it to shop up in the proper format in Remedy.  I have
> >> tried numerous variations of the following:
> >> A string (i.e. "10/17/2007")
> >> An integer (converted via timelocal and others to epoch time)
> >>
> >> I either end up with the date 1/1/9999 or 1/1/4713 B.C. in my date
> >> field. I have searched everywhere on the net that I can find and
> > nothing
> >> has helped. Does anyone know what to do to a user-entered date to make
> >> ars_CreateEntry accept it properly?
> >>
> >> This is running on a Win2K server with ARSPerl 1.82 against a Remedy
> > 6.0
> >> system on Oracle.
> >>
> >> Thanks, Tim
> >>
> >
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