Re: JESS: Difference between dates

I don't know how this could be; if you have a time difference in  
milliseconds, and you divide it by 86400000, you have a time  
difference in days. The number of days in a month does not enter into  
it at all.

On Sep 3, 2010, at 6:05 AM, ANA TANASESCU wrote:

> Hallo again,
>
> I have read on JessWiki about working with Dates and I have found a  
> few interesting functions. I need in my program to calculate the  
> difference between two dates (number of days). Therefore, I have  
> converted the date in milisecond, I have used the diff-time function  
> (http://www.jessrules.com/jesswiki/view?DiffTime) and converted the  
> result in days.
> First it seems to work, but if I use month like february it looks  
> that this function considers that all months have 30 days.
> I thought that after converting in miliseconds I could use this  
> function like datediff in ACCESS.
> What shall I do?
>
> Best regards,
> Ana
>
>

---------------------------------------------------------
Ernest Friedman-Hill
Informatics & Decision Sciences, Sandia National Laboratories
PO Box 969, MS 9012, Livermore, CA 94550
http://www.jessrules.com







--------------------------------------------------------------------
To unsubscribe, send the words 'unsubscribe jess-users [email protected]'
in the BODY of a message to [email protected], NOT to the list
(use your own address!) List problems? Notify [email protected].
--------------------------------------------------------------------