Calculate Difference Between Dates Excluding Weekends

Jun 8, 2008

I wanted to calculate the difference between dates, excluding the weekends. After much thought i used =NETWORKDAYS(A1,B1)+IF(NETWORKDAYS(A1,A1)+ NETWORKDAYS(B1,B1)=2,-SIGN(NETWORKDAYS(A1,B1)),0) that seemed to be working fine. However, I had a problem today with this formula when my start day was saturday (24/05/08) and the last day was monday (26/05/08). What i want is that when i take the difference between these two days, i should get zero as answer as we are not including the weekends in calculation so the start date should ideally be the first weekday which is Monday. However, the formula is giving me 1 as an answer.

This formula works fine if i select 27/05/08 as last date in which case i get 2 as an answer which is right. In gist, what i am looking for is a formula which will give me the difference between two dates and exclude the weekends from the calculation. The last date can't be a weekend, but the start date can. Hence, whenever the start date is a weekend, the formula should take monday as a start day.

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I am looking for formula to calculate the dates between two days (excluding the weekends)
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Feb 2, 2008

I am attempting to get the formula in Column "E" (see attached excel file) to work based off the individual reps 'days off / holidays' (Columns K:P (or more as needed) that they might have. the formula I am using (which works fine) is:

=IF(C2=D2,0, SUMPRODUCT((WEEKDAY(ROW(INDIRECT(C2&":"&D2)),2)={2,3,4,5,6,7})*(COUNTIF($K$2:$S$2,ROW(INDIRECT(C2&":"&D2)))=0)))

My issue comes up when I am coping this formula for say 100+ rows. When I copy the formula to all of the rows, the (COUNTIF($K$2:$S$2) becomes static and does not realize that the row (ie. Row 26 Rep C) has different days off than Rep A. I can manually change the reference for the countif to specify the correct row to their own days but that becomes tedious very quickly. I was wondering if anyone has come across a way to make the countif work based off of that the name in Column B matches the name in Column G then looks 'to the right' and uses the 'days off' that are listed for the corresponding Rep. I have tried a few different ideas but nothing has worked so far.

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May 22, 2008

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Also, this is my second post and I have tried to comply with the rules regarding the title, but if it is still inappropriate and does not meet 'stating the problem' criteria,

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Aug 25, 2007

I am using the same structure to update another column, under the same sub:

If Target.Column = 5 Then '

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Case "CB2W"
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Case "CB3W"
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Case "CB4W"
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Case "CB5W"
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Case "NI"
ActiveCell.Value = ""
Case Else
ActiveCell.Value = ""
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I would like to apply the code to the whole column but if I change Select Case Range("d69").Value to Select Case Range("d2:1000").Value I get a Type Mismatch Error (13) - (on Case "CB1W" ) - column d cells are data validation drop down boxes that get their value form a named ranged :Lead_Status. The column is also formatted as Text. (I applied the code to d69 because I have data already in the other cells which I don't want altered till I have the code working)

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Feb 15, 2008

I am trying to calculate downtime for a Service Level Agreement.

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As example(s)
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The above assumes working hours are 8:00 AM through 5:00 PM.

I have tried using the NETWORKDAYS and WORKDAY functions with little success.

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Jul 11, 2006

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This is more of a query on date dif

I was trying to calculate the difference between two dates on excel

I had a look through the search message board and searched the web generally where I came across the datedif function

I had found that in order to get the number of years it was

=datedif(startdate,enddate,"Y")

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Example.xlsx

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