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Sum the number of dates that fall on a specific week

Last Modified: 2018-03-21
Dear experts,

1. There is a list of dates in A1 to A10
2. In A11 I need a formula which counts how many of those dates fall in week 5.

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Ryan ChongSoftware Tead Lead / Business Analyst / System Analyst / Data Engineer / Applications Consultant

for cell B1 you can use this formula instead:


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The weeknumber function in Excel start week 1 on the first day of the year.
This means that for 2017, week 1 is only 1 day.

If you want to use ISO calender weeks, use this in A11.

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