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How to get month from week number and year in Excel?

If you have two columns in Excel, one contains year numbers, the other contains week numbers, just shown as below, how can you get the months directly from them in the next column?

doc-get-month-from-week-number-1 doc-arrow doc-get-month-from-week-number-2

Get month from week number and year in Excel


arrow blue right bubble Get month from week number and year in Excel

In Excel, there are both formulas can get month from given week number and year.

Click the cell that you want to get month and type this formula =CHOOSE(MONTH(DATE(A2,1,B2*7-2)-WEEKDAY(DATE(B2,1,3))),"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December") into it, then press Enter key to get the result, and then drag auto fill to fill the cells needed this formula. Now, you will get the month.

doc-get-month-from-week-number-2

If you just need to get the month as Arabic number, you can use this formula =MONTH(DATE(A2,1,B2*7-2)-WEEKDAY(DATE(B2,1,3))).

doc-get-month-from-week-number-3

Tip: In the above formulas, A2 indicates the year cell, B2 is the week number cell.


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Comments (10)
Rated 5 out of 5 · 1 ratings
This comment was minimized by the moderator on the site
Hi,

What formula is there to covert weekly (begining of the week) sales data by Sku # in to monthly data by Sku #
This comment was minimized by the moderator on the site
=MONTH(DATE(A2,1,B2*7-2)-WEEKDAY(DATE(A2,1,3))) - small correction - it would be A2 instead of B2 for the 2nd Date function
This comment was minimized by the moderator on the site
=MONTH(DATE(A2,1,B2*7-2)-WEEKDAY(DATE(A2,1,3))) - small correction, it would be A2 and not B2
This comment was minimized by the moderator on the site
1st use:Start Date of the week Monday =MAX(DATE(A2,1,1),DATE(A2,1,1)-WEEKDAY(DATE(A2,1,1),2)+(B2-1)*7+1)
Start Date of the week Sunday =MAX(DATE(A2,1,1),DATE(A2,1,1)-WEEKDAY(DATE(A2,1,1),2)+(B2-1)*7)
2nd use in new column:
Month
=TEXT(C2,"mmm")
This comment was minimized by the moderator on the site
Hi,

Does anyone know how to get WW-YYYY?


Thanks
This comment was minimized by the moderator on the site
=Concatenate(TEXT(DateCell,"YYYY"),"-",TEXT(ISOWEEKNUM(Datecell,"00")))

flop the text for the orientation desired
Rated 5 out of 5
This comment was minimized by the moderator on the site
Hello Wrong result

" =MONTH(DATE(A2,1,B2*7-2)-WEEKDAY(DATE(B2,1,3)))." ????????????????

a2 = 2018 b2=1 month = 12 ??????????
This comment was minimized by the moderator on the site
=MONTH(DATE(A2,1,B2*7-2)-WEEKDAY(DATE(A2,1,3)))
This comment was minimized by the moderator on the site
Works Great!

=MES(FECHA(B3,1,C3*7-2)-DIASEM((FECHA(C3,1,3))))

B3=2015
C3=1
MES=12
This comment was minimized by the moderator on the site
very useful. Thanks!
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