Time Sheet Function

[Guest]

Our office follows the seven minute rule when calculating time on our time
sheets. To make this automated time sheet I've designed work properly, I
need a function that will round each time entry to the nearest quarter hour.
Thus for example, 7:26 AM would need to be rounded to 7:30 AM, and 12:37 PM
would need to be rounded to 12:30 PM. Once someone helps me figure that out,
I have everything else that will calculate everything correctly.

 

[Alan]

=ROUND(A1*96,0)/96
Regards,
Alan.

 

[Guest]

I put this formula in, but in a cell where nothing was written it came up
12:00am. What do I add to the formula below, to keep it from putting
anything there if no time is entered?

 

[Alan]

That's because no value in the cell returns a zero value.
Try
=IF(A1<>0,ROUND(A1*96,0)/96,"")
or
=IF(A1<>0,ROUND(A1*96,0)/96,0)
in the latter, go Tools > Options > View and uncheck 'Zero Values'
Obviously I don't know the rest of your formulas, but usually a zero value
in a range that a formula applies to wont affect the result,
Regards,
Alan.