DAY function
PRO
BASIC
The DAY
function in Jspreadsheet Formulas Pro provides the specific day of the month for any given date. The output is a numerical value, ranging from 1 to 31, that corresponds to the day in the month. This function is useful for breaking down dates into more specific components, and can be a helpful tool in organizing and analyzing your data. For instance, you can use DAY
to find out which day of the month a particular transaction occurred or an event took place.
Documentation
Returns the day of the month as a number (1-31) for a given date.
Category
Date and time
Syntax
DAY(date)
Parameter | Description |
---|---|
date |
The date from which to extract the day of the month. |
Behavior
The DAY
function extracts the day component (1–31) from a valid date value. It is commonly used to isolate the day portion for sorting, filtering, or logic conditions.. The value returned will be an integer ranging from 1 to 31. Here's how it handles different inputs:
- Empty cells: If the
DAY
function is applied to an empty cell, it will return a #VALUE! error, since it expects a date value. - Text: If the input is a text string that can be interpreted as a date (e.g., "2022-04-01"), the
DAY
function will return the day of the month from the text string. If the text string cannot be interpreted as a date, it will return a #VALUE! error. - Booleans: Boolean values are not valid inputs for the
DAY
function and will return a #VALUE! error. - Errors: If the input cell or expression results in an error, the
DAY
function will propagate that error.
Common Errors
Error | Description |
---|---|
#VALUE! | This error is returned if the input can't be interpreted as a valid date. This includes empty cells, boolean values, text strings that don't represent a date, or other non-date values. |
#NUM! | This error is returned if the input is a date that is not supported by the Jspreadsheet engine. For example, some spreadsheet engines do not support dates before January 1, 1900, which may cause a #NUM! error. |
Best practices
- Always make sure that the input for the
DAY
function is a valid date or a text string that can be interpreted as a date.- Avoid using
DAY
function with cells that have a possibility of being empty or having non-date values, as this will result in an error. If there are such possibilities, consider using error handling functions like 'IFERROR' to manage errors.- Use the 'DATE' function to construct a date from separate year, month, and day components before applying the
DAY
function, if necessary.
Usage
A few examples using the DAY function.
DAY(2958465) // Returns: 31
DAY("2025-08-07") // Returns: 7
DAY("1999-12-01") // Returns: 1
DAY(DATE(2023, 11, 15)) // Returns: 15
DAY("InvalidDate") // Returns: #VALUE!
Interactive Spreadsheet Demo
<html>
<script src="https://jspreadsheet.com/v11/jspreadsheet.js"></script>
<script src="https://jsuites.net/v5/jsuites.js"></script>
<link rel="stylesheet" href="https://jsuites.net/v5/jsuites.css" type="text/css" />
<link rel="stylesheet" href="https://jspreadsheet.com/v11/jspreadsheet.css" type="text/css" />
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Material+Icons" />
<script src="https://cdn.jsdelivr.net/npm/@jspreadsheet/formula-pro/dist/index.min.js"></script>
<div id="spreadsheet"></div>
<script>
// Set your JSS license key (The following key only works for one day)
jspreadsheet.setLicense('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');
// Set the extensions
jspreadsheet.setExtensions({ formula });
// Create a new spreadsheet
jspreadsheet(document.getElementById('spreadsheet'), {
worksheets: [{
data: [
[
"Date",
"Day of Month"
],
[
"2024-01-15",
"=DAY(A2)"
],
[
"2024-06-30",
"=DAY(A3)"
],
[
"2024-12-07",
"=DAY(A4)"
],
[
"2024-02-29",
"=DAY(A5)"
]
]
}]
});
</script>
</html>
import React, { useRef } from "react";
import { Spreadsheet, Worksheet, jspreadsheet } from "@jspreadsheet/react";
import formula from "@jspreadsheet/formula-pro";
import "jsuites/dist/jsuites.css";
import "jspreadsheet/dist/jspreadsheet.css";
// Set license
jspreadsheet.setLicense('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');
// Set the extensions
jspreadsheet.setExtensions({ formula });
export default function App() {
// Spreadsheet array of worksheets
const spreadsheet = useRef();
// Worksheet data
const data = [
[
"Date",
"Day of Month"
],
[
"2024-01-15",
"=DAY(A2)"
],
[
"2024-06-30",
"=DAY(A3)"
],
[
"2024-12-07",
"=DAY(A4)"
],
[
"2024-02-29",
"=DAY(A5)"
]
];
// Render component
return (
<Spreadsheet ref={spreadsheet}>
<Worksheet data={data} />
</Spreadsheet>
);
}
<template>
<Spreadsheet ref="spreadsheet">
<Worksheet :data="data" />
</Spreadsheet>
</template>
<script>
import { Spreadsheet, Worksheet, jspreadsheet } from "@jspreadsheet/vue";
import "jsuites/dist/jsuites.css";
import "jspreadsheet/dist/jspreadsheet.css";
import formula from "@jspreadsheet/formula-pro";
// Set license
jspreadsheet.setLicense('MjhiOGFkNGJlZjE0YWQ2YjU1ZjE3YWMyZWQ5N2E0MDFjZmJlYWFiMTA3ZTgwNWM4MWVkMjRhZGM3NzkxM2FkMTUyZWU1YjZiYmMxODc3YWE5NmVkODk3ODBkOWQ0ZGM3OTRmN2NiYzk3OWI1NDcxM2NjOTUwMDk2ODg1MDQ0ZGEsZXlKamJHbGxiblJKWkNJNklpSXNJbTVoYldVaU9pSktjM0J5WldGa2MyaGxaWFFpTENKa1lYUmxJam94TnpVM01ETXdOakV3TENKa2IyMWhhVzRpT2xzaWFuTndjbVZoWkhOb1pXVjBMbU52YlNJc0ltTnZaR1Z6WVc1a1ltOTRMbWx2SWl3aWFuTm9aV3hzTG01bGRDSXNJbU56WWk1aGNIQWlMQ0p6ZEdGamEySnNhWFI2TG1sdklpd2lkMlZpWTI5dWRHRnBibVZ5TG1sdklpd2lkMlZpSWl3aWJHOWpZV3hvYjNOMElsMHNJbkJzWVc0aU9pSXpOQ0lzSW5OamIzQmxJanBiSW5ZM0lpd2lkamdpTENKMk9TSXNJbll4TUNJc0luWXhNU0lzSW1Ob1lYSjBjeUlzSW1admNtMXpJaXdpWm05eWJYVnNZU0lzSW5CaGNuTmxjaUlzSW5KbGJtUmxjaUlzSW1OdmJXMWxiblJ6SWl3aWFXMXdiM0owWlhJaUxDSmlZWElpTENKMllXeHBaR0YwYVc5dWN5SXNJbk5sWVhKamFDSXNJbkJ5YVc1MElpd2ljMmhsWlhSeklpd2lZMnhwWlc1MElpd2ljMlZ5ZG1WeUlpd2ljMmhoY0dWeklpd2labTl5YldGMElsMHNJbVJsYlc4aU9uUnlkV1Y5');
// Set the extensions
jspreadsheet.setExtensions({ formula });
export default {
components: {
Spreadsheet,
Worksheet,
},
data() {
// Worksheet data
const data = [
[
"Date",
"Day of Month"
],
[
"2024-01-15",
"=DAY(A2)"
],
[
"2024-06-30",
"=DAY(A3)"
],
[
"2024-12-07",
"=DAY(A4)"
],
[
"2024-02-29",
"=DAY(A5)"
]
]
return {
data
};
}
}
</script>
import { Component, ViewChild, ElementRef } from "@angular/core";
import jspreadsheet from "jspreadsheet";
import * as formula from "@jspreadsheet/formula-pro";
// Set your JSS license key (The following key only works for one day)
jspreadsheet.setLicense('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');
// Set the extensions
jspreadsheet.setExtensions({ formula });
@Component({
standalone: true,
selector: "app-root",
template: `<div #spreadsheet></div>`
})
export class AppComponent {
@ViewChild("spreadsheet") spreadsheet: ElementRef;
// Worksheets
worksheets: jspreadsheet.worksheetInstance[];
// Create a new data grid
ngAfterViewInit() {
// Create spreadsheet
this.worksheets = jspreadsheet(this.spreadsheet.nativeElement, {
worksheets: [{
data: [
[
"Date",
"Day of Month"
],
[
"2024-01-15",
"=DAY(A2)"
],
[
"2024-06-30",
"=DAY(A3)"
],
[
"2024-12-07",
"=DAY(A4)"
],
[
"2024-02-29",
"=DAY(A5)"
]
]
}]
});
}
}