How to calculate minutes between two dates in JavaScript ?

Last Updated : 20 Jun, 2019

Given two dates and the task is to get the number of minutes between them using JavaScript.

Approach:

Initialize both Date object.
Subtract older date from the new date. It will give the number of milliseconds from 1 January, 1970.
Convert milliseconds to minutes .

Example 1: This example uses the current date and next newYear date to get the difference of dates in minutes.

<!DOCTYPE HTML> 
<html> 
    <head> 
        <title> 
            How to get the minutes between
            two dates in JavaScript ?
        </title>
    </head> 
      
    <body style = "text-align:center;"> 
          
        <h1 style = "color:green;" > 
            GeeksForGeeks 
        </h1>
          
        <p id = "GFG_UP" style = 
            "font-size: 19px; font-weight: bold;">
        </p>
          
        <button onClick = "GFG_Fun()">
            click here
        </button>
          
        <p id = "GFG_DOWN" style = 
            "color: green; font-size: 24px; font-weight: bold;">
        </p>
          
        <!-- Script to calculate difference between two dates -->
        <script>
            var up = document.getElementById('GFG_UP');
            var down = document.getElementById('GFG_DOWN');
              
            // Declare dates
            var today = new Date();
            var newYear = new Date("01-01-2020");
              
            // Display the dates
            up.innerHTML = "Today's Date= "+ today.toLocaleDateString()
                + "<br> newYear's Date = " + newYear.toLocaleDateString();
              
            // Function to calculate difference
            // between two dates
            function GFG_Fun() {
                var dif = (newYear - today);
                var dif = Math.round((dif/1000)/60);
                down.innerHTML = "Minutes left = " + dif;
            }
        </script> 
    </body> 
</html>

Output:

Before clicking on the button:
After clicking on the button:

Example 2: This example uses the 2019 newYear and 2020 newYear date to get the difference in minutes.

<!DOCTYPE HTML> 
<html> 
    <head> 
        <title> 
            How to get the minutes between
            two dates in JavaScript ?
        </title>
    </head> 
      
    <body style = "text-align:center;"> 
          
        <h1 style = "color:green;" > 
            GeeksForGeeks 
        </h1>
          
        <p id = "GFG_UP" style = 
            "font-size: 19px; font-weight: bold;">
        </p>
          
        <button onClick = "GFG_Fun()">
            click here
        </button>
          
        <p id = "GFG_DOWN" style = 
            "color: green; font-size: 24px; font-weight: bold;">
        </p>
          
        <!-- Script to calculate difference between two dates -->
        <script>
            var up = document.getElementById('GFG_UP');
            var down = document.getElementById('GFG_DOWN');
              
            // Declare dates
            var newYear1 = new Date("01-01-2019");
            var newYear2 = new Date("01-01-2020");
              
            // Display the dates
            up.innerHTML = "First Date= "+ newYear1.toLocaleDateString()
                + "<br> Second Date = " + newYear2.toLocaleDateString();
              
            // Function to calculate difference
            // between two dates
            function GFG_Fun() {
                var dif = (newYear2 - newYear1);
                var dif = Math.round((dif/1000)/60);
                down.innerHTML = "Minutes left = " + dif;
            }
        </script> 
    </body> 
</html>                    

Output:

Before clicking on the button:
After clicking on the button:

My Personal Notes

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