Andrew,

Use the following formula in cell A2 and copy down as far as you
need to go.

=A1+TIME(0,5,0)

Format the cells for time only -- Excel will try to help by
including the date.

--
Cordially,
Chip Pearson
Microsoft MVP - Excel
Pearson Software Consulting, LLC
www.cpearson.com


"Andrew C" <AndrewC@discussions.microsoft.com> wrote in message
news:CC52FDC6-148B-489F-A8A5-EE6756CAA8EB@microsoft.com...
> Hi
> Theres probably an easy answer to this one but i cant work it
> out.
>
> I have a starting time on a timesheet of 8.00am (Cell A1) i
> want to
> increasing the time by 5mins in every cell below it. ie. B1 =
> 8.05am C1 =
> 8:10am
>
> What do i use??
>
> Cheers
>
>