First please removed the date stamp with your time ( "1/1/1900") default
time stamped on your column e.  if you have those in column b, remove them
as well

Then just use simple formula of  =c3-d3 + (d3-b3). it should give you
correct number of hours.

ernie




On Mon, Feb 22, 2010 at 1:31 PM, Dave Bonallack
<davebonall...@hotmail.com>wrote:

>  Hi,
> Try this formula:
> =(D3-B3+MOD(E3,INT(E3))-C3)*24
> Also, see attached sheet.
> Regards - Dave.
>
> ------------------------------
> Date: Sun, 21 Feb 2010 19:24:25 -0800
> From: akash4...@yahoo.com
>
> Subject: Re: $$Excel-Macros$$ Re: Time Difference Calculations
> To: goswami.ros...@gmail.com; excel-macros@googlegroups.com
>
>
>   Dear Rohan,
>
> I have tried that formula. Its fine for normal calculations. But its not
> showing correct result when my activity starts on say Monday afternoon 12:00
> Hrs and It goes upto Tuesday Afternoon 15:00 Hrs, Total Time shown should be
> (12 Hrs for Monday + 15 Hrs for Tuesday) i.e 27:00 Hrs in Total based on
> data available
>
> --- On *Sun, 2/21/10, roshan <goswami.ros...@gmail.com>* wrote:
>
>
> From: roshan <goswami.ros...@gmail.com>
> Subject: Re: $$Excel-Macros$$ Re: Time Difference Calculations
> To: akash4...@yahoo.com
> Date: Sunday, February 21, 2010, 8:33 PM
>
> hello
>
> change the format form time as how i did in my sheet and substract
>
> On Sun, Feb 21, 2010 at 12:31 AM, Akash $urkatha 
> <akash4...@yahoo.com<http://us.mc527.mail.yahoo.com/mc/compose?to=akash4...@yahoo.com>
> > wrote:
>
>    Dear all,
>
> Attached is the sheet containing some Start Date, Start Time on the same
> Day and End Day, End Time of a particular activity. All viz. Start Date,
> Start Time, End Day, End Time are mentioned in the separate columns.
>
> Looking at the available data, I would appreciate if I can get help from
> you guys to - get me the difference in Time (Hours).
>
> As for instance, if my start day is 17-Feb-2010, Start Time is 12:00 Hrs,
> End Date - 18-Feb-2010, End Time is 15:00 Hrs, Hence, the formula required
> should be able to return Total Hrs as 27:00 Hrs in the succeeding column.
>
> Other option is to write date with Time in specified manner and directly
> deducting the same but the data available with me is as per the attached
> sheet and hence shall require more time to bring to that format. So, please
> consider as per attachment.
>
> Request you to please give your feedback on the same.
>
> With Regards,
>
> Aakash
> Sky Constructions Ltd,
> Mumbai.
>
>
> --
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