Bug in DATEDIF in Excel 2007?

VoG

VoG

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Jun 19, 2002
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Please see the small table below produced using XL 2007

22 12 25.xlsm
ABC
16/02/20083/03/2008
2
326260 Years 0 Months 28 Days
Sheet2 (2)
Cell Formulas
RangeFormula
A3A3=B1-A1
B3B3=DATEDIF(A1,B1,"d")


Formula in C3:
Excel Formula: 
=DATEDIF(A1,B1,"y") & " Years " & DATEDIF(A1,B1,"ym") & " Months " & DATEDIF(A1,B1,"md") & " Days"

In Excel 2000 (at least) all three formulas yield the correct result of 26 days.

Is this a known bug with DATEDIF in XL 2007?

More to the point, is there an alternative formula that will give the equivalent (but correct!) output to the one in C3 in the example?
 
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Hello VoG II

Excel 2003 gives the result of 26 days.

You could try the Morefunc add-in. I have not used this add-in with Excel 2007 and I do not have Excel 2007 on my notebook.

=DATE.DIFF(A1,B1,3)

Dave
 
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Thanks Dave - I may try that but I was hoping for a solution using native Excel functions.
 
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Hello VoG II

I'd be reluctant to suggest an alternative to DATEDIF(A1,B1,"md") which exactly replicates DATEDIF because that sometimes gives odd results, even in versions of Excel before 2007, e.g. if A1 is 31st Jan 2008 and B1 is 1st March 2008 it gives a result of -1

This formula should replicate the results, except for negative ones like that....

=MOD(DAY(B1)-DAY(A1),IF(DAY(B1)< DAY(A1),DAY(B1-DAY(B1)),31))

Not sure if DATEDIF(A1,B1,"y") and others work correctly in Excel 2007......
 
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