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Kutools for Excel 22.00HOT

300+ Powerful Features You Must Have in Excel

Kutools for Excel is a powerful add-in that frees you from performing time-consuming operations in Excel, such as combine sheets quickly, merge cells without losing data, paste to only visible cells, count cells by color and so on. 300+ powerful features / functions for Excel 2019, 2016, 2013, 2010, 2007 or Office 365!

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How to calculate number of days in a month or a year in Excel?

As we all know, there are leap years and common years where leap year has 366 days and common year has 365 days. To calculate the number of days in a month or a year based on a date, this article will help you.

Calculate number of days in a given month with formulas

Calculate number of days in a given year with formulas

Calculate number of days in a given month with formulas

If you have a list of date in a column, to calculate the days in a month, please apply the following formulas:

Enter this formula: =DAY(DATE(YEAR(A2),MONTH(A2)+1,1)-1) into a blank cell beside your date, and then drag the fill handle down to the cells that you want to calculate the days in the specific month, see screenshot:

Notes:

1. Another formula also can help you to calculate the days in a month, please apply this formula: =DAY(EOMONTH(A2,0)).

2. In the above formulas, A2 is the date cell that you want to get the number of days in a month based on.

Calculate number of days in a given year with formulas

To get the number of days in a year, please do as this:

Enter this formula: =DATE(YEAR(A2),12,31)-DATE(YEAR(A2),1,1)+1 into a blank cell beside your date cell, then drag the fill handle down to the cells that you want to calculate the days in the specific year, see screenshot:

Note: If you just have year numbers in the column, this formula: =365+IF(MOD(A2,4),0,1) can help you to calculate the days in the given years as following screenshot shown:

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