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NETWORKDAYS Function to calculate a start date.

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    NETWORKDAYS Function to calculate a start date.

    I have a puzzle I'm trying to solve. I am provided an end date to which I have predefined parameters for interim due dates (example: end date - 10 business days). I need to include a defined holiday table that will also factor into the calculation that also includes banking holidays. Is there another function I am overlooking? I am not very experienced with Excel programming.

    END DATE MILESTONE1 MILESTONE2 MILESTONE3
    12/31 -10 DAYS -13 DAYS -20 DAYS

    Please and thank you for your assistance.

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    Forum Expert martindwilson's Avatar
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    Re: NETWORKDAYS Function to calculate a start date.

    have you tried subtracting using the workday() function workdays calculates the number of days and accepts a range of holidays
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    Re: NETWORKDAYS Function to calculate a start date.

    See the WORKDAY function.
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    Re: NETWORKDAYS Function to calculate a start date.

    This is how to calculate a start date knowing the end date, the number of work days, weekends and holidays.

    A
    B
    C
    1
    End Date
    31/12/2014
    2
    Start Date
    17/11/2014
    =WORKDAY.INTL(B1,B4*-1,1,A7:A10)
    3
    4
    Work Days
    30
    5
    6
    Holidays
    7
    26/12/2014
    8
    25/12/2014
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