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The DAY Function in Excel

Explore DAY Function with a clear overview, practical guidance, key features, and useful tips to help you make an informed decision with practical examples.

Table of Contents

This guide provides a practical overview of DAY Function, including its main features, benefits, limitations, and important considerations.

Description: The function takes a date value from a date value. The return value is an integer between 1 and 31.

Syntax: DAY (serial_number) .

Inside:

serial_number is the date value that you want to extract the date value.

For example:

Separate date values from the following dates:

The DAY Function in Excel screenshot

In the cell to calculate enter the formula: DAY (C7) .

The DAY Function in Excel screenshot 2

Press Enter -> separated date value results:

The DAY Function in Excel screenshot 3

Copying the formula for the remaining values results in:

The DAY Function in Excel screenshot 4

If, if the month does not have 31 days, you still enter a date containing 31 days -> the function returns the # VALUE error value ! .

The DAY Function in Excel screenshot 5

Above is the usage and some notes when using the DAY function in Excel.

Good luck!

FAQ

What does the DAY function do in Excel?

The DAY function performs the calculation described in this guide. Use the correct arguments and compatible data types for reliable results.

How do I enter the DAY function correctly?

Start with an equals sign, enter DAY, add the required arguments inside parentheses, and confirm that cell references and separators are correct.

Why does the DAY function return an error?

Common causes include missing arguments, invalid data types, incorrect cell references, unsupported values, or regional separator settings.

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