month worksheet function returns wrong value

B

Barry

using formula =month(a1) and in a1 is a date of 01 01 2006 and it returns
value of 1 which is correct, however if i delete the date in a1 it still
returns a value of 1. how can I resolve this?
 
B

Biff

Hi!

You need to test cell A1 and make sure there is a date entered:

=IF(ISNUMBER(A1),MONTH(A1),"")

Or, maybe something like this:

=ISNUMBER(A1)*MONTH(A1)

Will return either 0 or the month number

Biff
 
G

Gary L Brown

Hey, Barry.
A blank cell has a 0 value.
A 0 value as a date is Jan-00-1900 so a return of 1 for Month(Jan-00-1900)
is correct.

HTH,
 
B

Barry

Gary, could you offer me a solution please.

Gary L Brown said:
Hey, Barry.
A blank cell has a 0 value.
A 0 value as a date is Jan-00-1900 so a return of 1 for Month(Jan-00-1900)
is correct.

HTH,
--
Gary Brown
gary_brown@ge_NOSPAM.com
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B

Barry

Thanks, but the following worked the best.
=IF(YEAR(A48)=1900,0,IF(MONTH(A48)=MONTH($C$1),1,0))
 
D

daddylonglegs

This formula would do the same

=(A48<>"")*(MONTH($C$1)=MONTH(A48))

and has the advantage that it also works with 1904 date system
 
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