Calculate Day Difference Between Dates Excluding Certain Days

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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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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Apr 29, 2006

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Oct 7, 2011

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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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Nov 22, 2013

I want to calculate the end date of my German courses. This is how it works:

A course consists of 60 LU*. The course can occur i. e. three times a week: Monday, Wednesday and Friday. In each day the course lasts 2 LU, which means 6 LU each week. There is no course on Tuesday, Thursday, Saturday, Sunday and on holidays. Therefore this type of course that begins on 18-Nov-2013 will end on 03-Feb-2014.

Another course which occurs Tuesday, Thursday and Saturday, and respectively has 2 LU on Tuesday, 2 LU on Thursday and 3 LU on Saturday and starts on 03-Dec-2013 will end on 06-Feb-2014.

Therefore I want to create a worksheet where I set the start date, choose the days and respectively the LU amount on those days. The end date shall be calculated according to these criteria.

The workday function on excel cannot do this and I do not have any programming skills to work with VBA.

Legend:
*LU = lesson units; 1 LU is 45 minutes

Holidays:
28-Nov-13
29-Nov-13
08-Dec-13
09-Dec-13
25-Dec-13
31-Dec-13
01-Jan-14

[Code] ...........

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Aug 6, 2012

I want to create a formula that works out the number of days between two dates but excludes weekends?

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Example:

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Sep 11, 2008

This is more of a query on date dif

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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")

for months same formula"YM" and for days use "MD" in place of "Y" in the original formula

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Using date dif gave me 21 days but when i did

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I then found i could simply minus one from the other , which then had me asking what is the point of date dif

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Example.xlsx

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Jul 28, 2009

I have a start date formatted as dd/mm/yyyy in cell A5
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In cell G5 I would like the total number of days in the range F5:F25
In cell H5 I would like the total number of working days from A5 to Today

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