Google Sheets DAY Function: Syntax, Examples & Tips

The DAY function extracts the day of the month from a given date, returning it as a number between 1 and 31.
Google Sheets
DAY(date)

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On this page
  1. Parameters
  2. What is a DAY Function in Google Sheets?
  3. A Practical Example
  4. DAY Formula
  5. Result of the Formula
  6. Why Use DAY?
  7. Key Takeaways:
  8. Example use case

Parameters

date:
The date from which you want to extract the day. This can be a date value, a cell reference containing a date, or a formula that returns a date.

What is a DAY Function in Google Sheets?

The DAY function in Google Sheets is a simple yet essential tool used to extract the day of the month from a given date. This function returns an integer value representing the day, which can be particularly useful for data analysis, reporting, and organizing information based on specific days.

In simpler terms, the DAY function allows you to pull out the day component from a date, making it easier to work with dates in your spreadsheets.

A Practical Example

Imagine you are managing a project timeline with various deadlines stored in a Google Sheets document:

Project Deadlines Table:

TaskDeadline
Task A2023-10-01
Task B2023-10-15
Task C2023-10-20

You want to extract the day of the month for each deadline to analyze the tasks due on specific days.

DAY Formula

To achieve this, you would use the DAY function as follows:

Google Sheets
=DAY(B2)

In this formula:

  • B2 is the cell containing the Deadline date from the Project Deadlines Table.

Result of the Formula

When you apply the DAY formula to the Deadline column, the output would look like this:

TaskDeadlineDay
Task A2023-10-011
Task B2023-10-1515
Task C2023-10-2020

As you can see, the DAY function extracts the day of the month from each deadline date, allowing for easy reference and analysis.

Why Use DAY?

The DAY function is beneficial because it simplifies the process of working with dates in Google Sheets. It allows you to quickly isolate the day component, which can be useful for sorting, filtering, and performing calculations based on specific days.

Key Takeaways:

  • DAY: A straightforward Google Sheets function that extracts the day of the month from a date.
  • Ease of Use: Simple syntax makes it easy to implement in your spreadsheets.
  • Data Analysis: Useful for organizing and analyzing data based on specific days.
  • Common Use Cases: Ideal for project management, scheduling, and any scenario where date manipulation is necessary.

The DAY function is an essential tool for anyone working with dates in Google Sheets, providing a quick and efficient way to enhance data analysis and reporting capabilities.

Happy spreadsheeting!

Example use case

You have a table with dates in Column A and sales figures in Column B. Use the DAY formula to extract the day from each date in Column A, allowing you to analyze daily sales trends and easily summarize performance by specific days of the month.

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