time_left_in_this_month.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="https://fonts.googleapis.com/css2?family=Fjalla+One&display=swap" rel="stylesheet">

    <title>Time Left in this month</title>
    <style>
        
        body{
            text-align: center;
            font-family: 'Fjalla One', sans-serif;
            background-color: #fff;
        }
        .box{
            display: inline-block;
            display: inline-block;
            color: #fff;
            padding: 10px;
            border-radius: 5px;
        }
        #days{
            background-color:#0f4d4f;
        }
        #hours{
            background-color:#4CAF50;
        }
        #minutes{
            background-color:#76250b;
        }
        h2{
            display: inline-block;
            margin-right: 10px;
        }


    </style>
</head>
<body>
    
    <div id="counter">
    <h2>
        Time left in This Month
    </h2>
    
        <h2 class="box" id="days"></h2>
        <h2 class="box" id="hours"></h2>
        <h2 class="box" id="minutes"></h2>
    </div>


<script>
    function CountDownTimer  () {
    left_days = document.getElementById("days");
    left_hours = document.getElementById("hours");
    left_minutes = document.getElementById("minutes");
 
    }
    function showRemaining (){
    now = new Date();
    days_in_this_month = new Date( now.getFullYear(), now.getMonth()+1, 0).getDate(); 
    days = days_in_this_month- now.getDate();
    hours = 23 - now.getHours();
    minutes = 59 - now.getMinutes();
    left_days.innerHTML = days + " days "
    left_hours.innerHTML = hours + " hours "
    left_minutes.innerHTML = minutes + " mins "
    }

timer = setInterval (showRemaining, 1000) 
CountDownTimer() ;
</script>
</body>
</html>