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Creating a formula that extracts the week from a date

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  1. #1
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    Creating a formula that extracts the week from a date

    Hi everyone, I have a very time consuming problem, I'm hoping someone will be able to help me with. Basically I have every single date from today until June 2015 in one column of an excel doc. In the next column, I have the week it resides it. Is there a formula that can be made to easily associate a date with a week? I've been doing this by hand, and it's taking a ton of time!

    Thanks!


    Date | Week
    7/1/2012| 7/1/2012
    7/2/2012 | .
    . .
    .
    .
    .
    7/7/2012 | 7/1/2012
    Last edited by moot; 07-02-2012 at 12:14 AM.

  2. #2
    Forum Contributor Russell Dawson's Avatar
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    Re: Creating a formula that extracts the week from a date

    Hi moot - welcome to the forum.

    You could go for week numbers with this in B1 when first date is in A1

    =WEEKNUM(A1)
    and then B2
    =IF(WEEKNUM(A2)=WEEKNUM(A1),"",WEEKNUM(A2))
    (copy down)

    or for the first day of the week

    in B1 put
    =A1-WEEKDAY(A1)+1
    and in B2

    =IF(A2-WEEKDAY(A2)+1=(A1-WEEKDAY(A1)+1),"",A2-WEEKDAY(A2)+1)
    copy down

    Hope this saves you time.

    Cheers
    Last edited by Russell Dawson; 07-02-2012 at 04:31 AM. Reason: NOTE TO MOD - POSTED AFTER CHANGE BY OP
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  3. #3
    Forum Expert Cutter's Avatar
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    Re: Creating a formula that extracts the week from a date

    Assuming your dates are starting in A1

    In B1: =A1
    In B2: =B1 and drag down to B7

    Now select: B1:B7 and double click on the drag handle

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