JavaScript Date Difference In Minutes

In this tutorial we will learn how to Get Date Difference in Minutes using JavaScript. To get the exact date difference in Minutes, JavaScript new Date() constructor, Math.abs() method and Math.ceil() method can be used.

JavaScript new Date() Constructor

JavaScript new Date() Constructor creates a date object which represents current date and time.

The new Date() Constructor returns the date object which has current time in milliseconds from 1st January 1970 UTC till current date.

JavaScript Math.abs() method

JavaScript Math.abs() method is used to get the absolute value of the number.

JavaScript Math.ceil() method

JavaScript Math.ceil() method rounds up the number to the very next integer.

HTML Code

HTML Code is given below, in this code we have used input date elements to get two dates from user while a Button tag is used to execute a JavaScript function which will calculate date difference in Minutes.

<input type="date" id="day1">
<input type="date" id="day2">
<button onclick="calculateMinutes()">Get Difference</button>   
<p id="output"></p> 

JavaScript Code

Take a look at the JavaScript code, getElementById() method is used to read the date from both input date elements. new Date constructor is used to get the date object in string format. Math.abs is used to get the absolute value of difference of two dates while Math.ceil is used to get exact date difference in Minutes.

<script>
function calculateMinutes() {
var day1 = document.getElementById("day1").value;
var day2 = document.getElementById("day2").value;    
const dateOne = new Date(day1);
const dateTwo = new Date(day2);
const time = Math.abs(dateTwo - dateOne);
const Minutes = Math.ceil(time / (1000 * 60));
document.getElementById("output").innerHTML=Minutes + ' Minutes';    
}
</script>

Demo

Video Tutorial

Watch video tutorial on Get Date Difference in Minutes in JavaScript.

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