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# EOMONTH and WEEKDAY and add days

Posted on 2014-11-04
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Hello, I have modified the EOMONTH formula with a WEEKDAY function. However, after I add WEEKDAY and add a parenth, the return is a date but it is in 1900 so I think I have done something wrong.  Do you see what is the issue?   I also want to add days to this formula and not certain where exactly to add the days.  The days added needs to also take into account if lands on a weekend then go to the next weekday.

this is how I have it now.  I added the WEEKDAY part.
=WEEKDAY(EOMONTH(H67,MOD(12-MONTH(H67),3)))
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Question by:pdvsa

LVL 65

Expert Comment

>EOMONTH and WEEKDAY and add days
Please explain in a format that Barney the Big Purple Dinosaur would understand what exactly you're trying to do here, as I can't see a question here.
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LVL 24

Expert Comment

If you want to add days, you don't use the WEEKDAY function.

Your formula currently goes to the end of some month. If you want to add 10 days to the end, try:

=EOMONTH(H67,MOD(12-MONTH(H67),3)) + 10
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Author Comment

Jim,

How do I modify
=EOMONTH(H67,MOD(12-MONTH(H67),3))

for WEEKDAY

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Author Comment

Philip, I need to add WEEKDAY though.
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LVL 24

Expert Comment

Why? What do you think WEEKDAY does (because it probably doesn't)?

WEEKDAY returns a number between 1 and 7.
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LVL 31

Expert Comment

=IF(WEEKDAY(EOMONTH(H67,MOD(12-MONTH(H67),3))<6,EOMONTH(H67,MOD(12-MONTH(H67),3)),EOMONTH(H67,MOD(12-MONTH(H67),3))+8-EOMONTH(H67,MOD(12-MONTH(H67),3)))

Thanks
Rob
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Author Comment

ahhhh I see why you are confused... I mean WORKWEEK.  I dont know the difference between the two as they seem to be the same to me.  anyways, the date needs to be M-F and not weekends and I need to add date criteria within that function.
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Author Comment

Rob, let me know if that changes something...didnt see your post.
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LVL 24

Assisted Solution

Phillip Burton earned 500 total points
I think you mean WORKDAY:

=WORKDAY(EOMONTH(H67,MOD(12-MONTH(H67),3)) -1,1)
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Author Comment

OK and if I wanted to add a certain number of day where would I place that and still have the WORKDAY function apply?
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LVL 24

Accepted Solution

Phillip Burton earned 500 total points
The last "1" is the number of days to add (less 1).

Currently, a Friday translates as a Friday. A Saturday or Sunday translates as a Monday.

If you want to add 5 working days, change it to:

=WORKDAY(EOMONTH(H67,MOD(12-MONTH(H67),3)) ,5)

If you wanted 5 calendar days, change it to:

=WORKDAY(EOMONTH(H67,MOD(12-MONTH(H67),3))+5 -1,1)

or

=WORKDAY(EOMONTH(H67,MOD(12-MONTH(H67),3))-1,1)+5

depending on your circumstances. The first one adds 5 calendar days, then moves it to the next working day. The second one moves it to the next working day, then adds 5 calendar days.
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Author Closing Comment

Thank you.  I might have to ask a follow up if I find I need to.  Sorry for the confusion with the names of the functions.  I am far from expert.
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