totn Excel Functions

MS Excel: How to use the DAY Function (WS, VBA)

This Excel tutorial explains how to use the Excel DAY function with syntax and examples.

Description

The Microsoft Excel DAY function returns the day of the month (a number from 1 to 31) given a date value.

The DAY function is a built-in function in Excel that is categorized as a Date/Time Function. It can be used as a worksheet function (WS) and a VBA function (VBA) in Excel. As a worksheet function, the DAY function can be entered as part of a formula in a cell of a worksheet. As a VBA function, you can use this function in macro code that is entered through the Microsoft Visual Basic Editor.

Syntax

The syntax for the DAY function in Microsoft Excel is:

DAY( date_value )

Parameters or Arguments

date_value
A valid date to return the day of the month.

Returns

The DAY function returns a numeric value between 1 and 31.

Applies To

  • Excel for Office 365, Excel 2019, Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000

Type of Function

  • Worksheet function (WS)
  • VBA function (VBA)

Example (as Worksheet Function)

Let's look at some Excel DAY function examples and explore how to use the DAY function as a worksheet function in Microsoft Excel:

Microsoft Excel

Based on the Excel spreadsheet above, the following DAY examples would return:

=DAY(A1)
Result: 1

=DAY(A2)
Result: 31

=DAY(A3)
Result: 15

=DAY("12/31/2011")
Result: 31

Example (as VBA Function)

The DAY function can be used in VBA code in Microsoft Excel.

Let's look at some Excel DAY function examples and explore how to use the DAY function in Excel VBA code:

Dim LDay As Integer

LDay = Day("12/31/2011")

In this example, the variable called LDay would now contain the value of 31.