Try this Function to get Desire OutPut
Function GetDiff(Startdate As Range, EndDate As Range) As Single
GetDiff = DateDiff("m", CDate(Startdate), CDate(EndDate)) +
(Day(CDate(EndDate)) / Day(DateSerial(Year(CDate(EndDate)),
Month(CDate(EndDate)) + 1, 0)))
End Function
On Tue, Jul 12, 2011 at 11:00 PM, STDEV(i) <setiyowati.d...@gmail.com>wrote:
>
> Function MonthFrac(StartDate As Date, EndDate As Date) As Single
> * '= siti Vi / Jakarta 12 July 2011*
> Dim YY1 As Integer, MM1 As Integer, DD1 As Integer
> Dim YY2 As Integer, MM2 As Integer, DD2 As Integer
> Dim MM As Integer, DD As Integer, EndMonthDays As Integer
>
> YY1 = Year(StartDate): YY2 = Year(EndDate)
> MM1 = Month(StartDate): MM2 = Month(EndDate)
> DD1 = Day(StartDate): DD2 = Day(EndDate)
>
> If DD2 < DD1 Then
> DD2 = DD2 + Day(DateSerial(YY2, MM2, 0))
> MM2 = MM2 - 1
> End If
>
> If MM2 < MM1 Then
> MM2 = MM2 + 12
> YY2 = YY2 - 1
> End If
>
> EndMonthDays = Day(DateSerial(YY2, MM2 + 1, 0))
> MM = (YY2 - YY1) * 12 + (MM2 - MM1)
> DD = (DD2 - DD1)
> MonthFrac = MM + (DD / EndMonthDays)
>
> End Function
>
>
> On Tue, Jul 12, 2011 at 7:55 PM, Richard <richard.m...@gmail.com> wrote:
> > Hi All,
> > I would appreciate a vba function that will calculation the number of
> months
> > and fraction of a month between 2 dates.
> >
> > i.e.
> > January 1, 2011 to February 14, 2011 would be 1.5 months
> > January 1, 2011 to February 15, 2011 would be 1.5335714
> > January 1, 2011 to March 15, 2011 would be 2.483871
> >
> > Thank you in advance
> >
> > Rich
>
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1. Follow us on TWITTER for tips tricks and links :
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3. Excel tutorials at http://www.excel-macros.blogspot.com
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To post to this group, send email to excel-macros@googlegroups.com
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