[mso] Re: Excel Dates

Larry,

If you are only interested in the month and want it to be a number =
instead of an abbreviation then try this:

=3DIF(A5<>"",IF(TYPE(A5)=3D1,MONTH(A5),MONTH(DATEVALUE("1-" & =
MID(A5,FIND("-",A5)+1,3) & "-1900"))),"Unknown")

It will require no modification to your data as Excel will treat the =
invalid dates as text anyway.  It simply pulls the month out of the =
invalid date ( type <> 1) and builds a valid date to confert to a month =
number.=20


Robert Tillotson
BAE-IT
Groton Field Office
860-441-2207

-----Original Message-----
From: mso-bounce@xxxxxxxxxxxxx [mailto:mso-bounce@xxxxxxxxxxxxx] On =
Behalf Of LarrysPCRemedies@xxxxxxx
Sent: Tuesday, April 15, 2008 12:13 PM
To: mso@xxxxxxxxxxxxx
Subject: [mso] Excel Dates

I have a spreadsheet of names with associated dates (dd-mmm-yyyy). Some =
of =20
the entries do not have dates associated and are blank.
=20
I have a column with the formula " =3Dif(f3<>"",month(f3),"Unknown")"  =
to=20
obtain the month number, if there is a date, or to display "Unknown", if =
a  date is=20
not present.=20
=20
As you must know, Microsoft, in their magnificence, has decided the =20
epoch-origin of calendar time to be January 1, 1900, and because some of =
 the dates in=20
my spreadsheet are pre-1900, instead of a month number, I  get a =
=3Dvalue!=20
error.
=20
Is there a way to configure Excel to adjust Excel's beginning of time  =
to,=20
say, January 1, 1800? Failing that, can someone suggest a technique I =
can  use=20
to successfully overcome the =3Dvalue! error?
=20
,,,,,,, Larry  Berlinski
=D4=BF=D4=AC=20


**************It's Tax Time! Get tips, forms and advice on AOL Money &=20
Finance.      (http://money.aol.com/tax?NCID=3Daolcmp00300000002850)

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