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Continuous month count formula in Excel

Posted by: admin May 14, 2020 Leave a comment


I want to make continues month list starting from specific date in English. Lets say my date is 29.4.2019. I would like Excel formula to display months in English starting from that date, so my list would look like (by dropping down):


I have tried this formula but it ends up on December, also I have to input +1, +2, +3 manually:


Also the problem is that I use Finnish Excel so function should be =TEXT(MONTH(A1);"kkkk") instead of =TEXT(MONTH(A1);"mmmm") if I want to use more simple version with =TEXT function. However this will not work once Excel will be opened on English version of Excel as it will not recognize “kkkk” inside the formula and will give an error.

I have VBA to convert to international format but this does not seem to work either (https://superuser.com/questions/730371).

Public Function FMT$(ByVal Value, ByVal strFormat)
    FMT = VBA.Format$(Value, strFormat)
End Function


Ok. That was stupid mistake… I skipped “June” in my list. This function seems to be working now:

How to&Answers:

I guess you could try the following:


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The above formula basically uses two branches of the IF (you might have to pick a more appropriate condition depending on the layout of your excel sheet and where you need the results to be, but without knowing that, that’s the best I can offer).

So basically if it’s the first one, the cell directly above will be blank, so the formula will be simply TEXT($A$1,"kkkk"). If there’s a value, then we need to add one month, and to do that as accurate as possible, I would use DATE(YEAR($A$1),1+MONTH("1-"&C1&"-"&YEAR($A$1)),1), which basically takes the year of the date supplied in A1, the month following the previous month, and 1 as the date. Excel can understand the format d-mmmm-yyyy as date, so I’m taking advantage of that.

Not using TEXT:



With the smallest possible change from how your own code works:

=CHOOSE(MOD(MONTH($A$1)+Row()-2, 12)+1, "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December")

First, the +Row()-2 means that you no longer need to type the +1, +2, +3 manually – it will use the Row number that the cell is on. (Depending on which row your list starts on, you may need to adjust the -2)

Next, we use Mod(<adjusted month>,12) – this means, every time we reach 12, it resets back to 0: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, ...

Finally, add 1.

If we start in December, and the formula is in row 2 then we get MOD(Month("2018-12-01")+Row()-2, 12)+1, which becomes MOD(12 + 2 - 2, 12) + 1 or MOD(12, 12) + 1 and finally 0 + 1.
The next item will be on Row 3, so MOD(Month("2018-12-01")+Row()-2, 12)+1 becomes MOD(12 + 3 - 2, 12) + 1 or MOD(13, 12) + 1 and finally 1 + 1 for February.