How Many Days In 2024 Are In Each Month In Excel. The first step to calculating the number of days in a month is to calculate the last day of the month. I am trying to write an excel formula which can be dragged across a row of cells to give the number of days in each month between two specified dates.

To generate a sequence of dates in excel, set up the following arguments of the sequence function: To do that, you need to use a formula based on the eomonth and day functions.