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Calculate total working days between dates (including Bank holidays)

  • June 9, 2020
  • 0 replies
  • 743 views
Hi
I am aiming to calculate the total amount of working days between two dates whilst also considering Weekends, Bank holidays and Christmas Holiday etc.
I have created a calendar for the next 5 years which puts a 1 next to the days that are actual working days.

Within this table the desired result is achieved by simply filtering the start and end date and it totals up the working days, however I need this result to appear as a result of a start and end date on another table.
Any help appreciated.

After I have achieved this I will also need to calculate the end date based on a start date and adding a number of working days, which again needs to consider Weekends, Bank holidays and Christmas Holiday etc.
Thank you in anticiption.

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Stu
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This topic has been closed for replies.

MarkShnierYou
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I recall seeing a nice post by a Quick Base staffer about this which was the most elegant solution so far, but I can't locate it.

The gist of it is here


You already have your Master Holidays Table.  Create a child table to your "Projects" table called Project Holidays.

Set up an Automation that when a record is added or modified 
1. Delete the Project Holidays (ie in case the Projects dates are modified we need to start fresh) 
2. Copy the Holidays from the master Holidays table (just the ones flagged as Holidays) to the Project Holidays table where the dates meet the Project dates.
3. The count of those children is the # of holidays in the Project date Span.


 

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Mark Shnier (YQC)
Quick Base Solution Provider
Your Quick Base Coach
http://QuickBaseCoach.com
mark.shnier@gmail.com
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Mark Shnier. Your Quickbase Coach
The first part is pretty straightforward.  The traditional work days can be calculated as follows:

ToDays(ToWeekdayP(endDate) - ToWeekdayN(startDate)) - Int(ToDays(ToWeekdayP(endDate) - ToWeekdayN(startDate)) / 7) * 2 + 1

Since each company observes different holidays, excluding the holidays would be a simple matter of setting up variables for the holidays and subtracting the total number of holidays that fall between the start and end dates.

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Paul Peterson
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