Calculate number of working days (excluding holydays) month by month

C

cbprado

New Member
Joined
Oct 26, 2018
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10
This is to calculate # of workdays per month in a project

A2 and B2 I´ll have start and end dates, c1 - q1 I´ll have the months (jan-dec)

holydays will be on a named array sized 2cx8r.

thanx
 

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8/8/2019

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[TD="align: right"]Dec[/TD]

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[TD="align: right"]2/25/2019[/TD]
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[TD="align: right"]12/12/2019[/TD]
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</tbody>
Sheet3​

[TABLE="width: 85%"]
<tbody>[TR]
[TD]Worksheet Formulas[TABLE="width: 100%"]
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TH]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
[TR]
[TH="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]C2[/TH]
[TD="align: left"]=MAX(0,NETWORKDAYS(MAX($A$2,C1),MIN($B$2,EOMONTH(C1,0)),INDEX(HolyDays,0,2)))[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]


[TABLE="width: 85%"]
<tbody>[TR]
[TD]Workbook Defined Names[TABLE="width: 100%"]
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TH]Name[/TH]
[TH="align: left"]Refers To[/TH]
[/TR]
[TR]
[TH="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]HolyDays[/TH]
[TD="align: left"]=Sheet3!$A$5:$B$12[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]



Note that the values in C1:N1 are actual dates, the 1st of each month, and I use a custom format of mmm to just show the month. Range A5:B12 is the HolyDays range, you can of course put it anywhere. If you have different weekend requirements, you can use NETWORKDAYS.INTL instead.
 
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