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Need help with date calculations

  1. 07-25-2023, 10:23 AM #1
    kyber
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    Need help with date calculations

    If that date is 1 month behind today's date, the output needs to be - "1 Month Behind"
    If the date is 2 months behind today's date, the output needs to be - "2 Months Behind"
    If the date is 3 (or more) months behind today's date, the output needs to be - "3 Months or More Behind"
    If the date is blank, then the output needs to be - "Blank"
    If the date is after today's, or future, date then the output needs to be - "Up-To-Date"

    I have a semi functional formula working which is attached in the spreadsheet. The problem is that in A8, I have a highlighted date. Technically, the formula is correct, but that's not what I needed. 5 is two less than 7 so the output should be "2 Months Behind".

    Thanks in advance.
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  2. 07-25-2023, 10:31 AM #2
    AliGW
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    Re: Need help with date calculations

    Administrative Note:

    Although we value your privacy as much you do, it could be important that members have a rough idea of your location as the solutions they offer may be affected by your locale. For instance, you might in the future post questions which are related to your regional settings.

    With this in mind, please update your profile to something more precise (something such as UK, Europe, USA, UAE, etc. will suffice).

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  3. 07-25-2023, 10:35 AM #3
    AliGW
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    Re: Need help with date calculations

    Does this do what you want?

    =IF(A2="","Blank",IF(DATEDIF(A2,TODAY(),"m")=0,"Up-To-Date",LOOKUP(DATEDIF(A2,TODAY(),"m"),{1,2,3},{"1 Month Behind","2 Months Behind","3 Months or More Behind"})))
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  4. 07-25-2023, 10:39 AM #4
    kyber
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    Re: Need help with date calculations

    Thank you, I changed mt location.

    And no it doesn't work, unfortunately. The output for date 7/12/23 says that it's "3 or More Months Behind", which the output should say, "Up-To-Date".
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  5. 07-25-2023, 10:42 AM #5
    AliGW
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    Re: Need help with date calculations

    It says Up-to-Date here! I'm in the UK, so dates show as dd/mm/yyyy.

    AliGW on MS365 Beta Channel (Windows 11) 64 bit

    A
    B
    1
    Last Note
    2
    12/07/2023
    		 Up-To-Date
    3
    20/07/2023
    		 Up-To-Date
    4
    21/06/2023
    		 1 Month Behind
    5
    04/04/2023
    		 3 Months or More Behind
    Sheet: Sheet1
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    Last edited by AliGW; 07-25-2023 at 10:45 AM.
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  6. 07-25-2023, 10:52 AM #6
    windknife
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    Re: Need help with date calculations

    Try this in B2

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    copied down.
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  7. 07-25-2023, 10:52 AM #7
    kyber
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    Re: Need help with date calculations

    I see what I did wrong with my copy and paste. It's working now, but unfortunately it's not quite working out for the cell in question still.
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  8. 07-25-2023, 10:54 AM #8
    AliGW
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    Re: Need help with date calculations

    It is working: 31 May will NOT be two months behind until 31 July, and it's 25 July today.

    Glad to have helped.

    If that takes care of your original question, please choose Thread Tools from the menu link above and mark this thread as SOLVED.

    Also, if you have not already done so, you may not be aware that you can thank anyone who offered you help towards a solution for your issue by clicking the small star icon (* Add Reputation) located in the lower left corner of the post in which the help was given. By doing so you can add to the reputation(s) of all those who offered help.
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  9. 07-25-2023, 10:56 AM #9
    kyber
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    Re: Need help with date calculations

    That's almost it! The problem is now when it's a future date sometime in 2026 (manually changed it for the sake of testing it) it's return is "#N/A".
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  10. 07-25-2023, 11:00 AM #10
    HansDouwe
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    Re: Need help with date calculations

    Please try in B2 and copy down:
    Formula: copy to clipboard 
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  11. 07-25-2023, 11:02 AM #11
    AliGW
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    Re: Need help with date calculations

    You could use this if you wanted 31 May to be 2 months behind:

    =LET(t,EOMONTH(TODAY(),0)+1,IF(A2="","Blank",IF(DATEDIF(A2,t,"m")=0,"Up-To-Date",LOOKUP(DATEDIF(A2,t,"m"),{1,2,3},{"1 Month Behind","2 Months Behind","3 Months or More Behind"}))))

    As for testing, you would need to change each instance of TODAY() with something like DATE(2026,1,1) where the arguments are DATE(year,month,day).
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  12. 07-25-2023, 11:07 AM #12
    kyber
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    Re: Need help with date calculations

    This works!
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  13. 07-25-2023, 11:08 AM #13
    AliGW
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    Re: Need help with date calculations

    What works? Mine or Hans'? They both do, probably.

    Glad to have helped.

    If that takes care of your original question, please choose Thread Tools from the menu link above and mark this thread as SOLVED.

    Also, if you have not already done so, you may not be aware that you can thank anyone who offered you help towards a solution for your issue by clicking the small star icon (* Add Reputation) located in the lower left corner of the post in which the help was given. By doing so you can add to the reputation(s) of all those who offered help.
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  14. 07-25-2023, 11:26 AM #14
    HansDouwe
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    Re: Need help with date calculations

    Thanks for the rep .
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  15. 07-25-2023, 11:28 AM #15
    AliGW
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    Re: Need help with date calculations

    Lucky you - I didn't get any.
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