If you need to extract the day from a date, you can use the DAY function. The date must be in a form that Excel recognizes as a valid date. In the example shown, the formula in cell B5 is:


Generic formula



The DAY function takes just one argument, the date from which you want to extract the day. In the example, the formula is:


B5 contains a date value for January 5, 2016. The DAY function returns the number 5 representing the day component of the date.

Note that you can use DAY to extract the day from a day entered as text:


But this can produce unpredictable results on computers using different regional date settings. In general it's better (and more flexible) to supply an address to a cell that already contains a valid date value as the argument for DAY.

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Dave Bruns

Hi - I'm Dave Bruns, and I run Exceljet with my wife, Lisa. Our goal is to help you work faster in Excel. We create short videos, and clear examples of formulas, functions, pivot tables, conditional formatting, and charts.