[fpc-devel] MinDateTime is 100 AD ?

Michael Van Canneyt michael at freepascal.org
Mon Jul 2 21:48:31 CEST 2007



On Mon, 2 Jul 2007, Joost van der Sluis wrote:

> Hi all,
> 
> In sysstrh.inc MinDateTime is defined as follows:
> 
>   { For floattodatetime }
>   MinDateTime: TDateTime = -657434.0;     { 01/01/0100 12:00:00.000 AM }
>   MaxDateTime: TDateTime =  2958465.99999;{ 12/31/9999 11:59:59.999 PM }
> 
> Why is that? Datetimes before 100AD works perfectly. Can I change it to
> 01/01/01 ? (Why does this restriction exist at all?!?)

Delphi compatibility, probably. As far as I know, it's not used ?

Michael.



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