Convert Float to Time in JavaScript (Hours and Minutes)

How to Convert a given float number to hours and minutes. What is the JavaScript function we should use to convert float to time in JavaScript? Here, we share the easiest solution to convert a given number to time (hours and minutes).

In this tutorial, you will see how to convert float numbers to time (hours and minutes) in JavaScript. There are a number of ways to convert float to time. However, we use the Math.floor() and Math.round() function from the Javascript Math object.

Convert Float to Time (Hours and Minutes)

The following javascript snippet converts a given float to hours and minutes.

function convertNumToTime(number) {
    // Check sign of given number
    var sign = (number >= 0) ? 1 : -1;

    // Set positive value of number of sign negative
    number = number * sign;

    // Separate the int from the decimal part
    var hour = Math.floor(number);
    var decpart = number - hour;

    var min = 1 / 60;
    // Round to nearest minute
    decpart = min * Math.round(decpart / min);

    var minute = Math.floor(decpart * 60) + '';

    // Add padding if need
    if (minute.length < 2) {
    minute = '0' + minute; 
    }

    // Add Sign in final result
    sign = sign == 1 ? '' : '-';

    // Concate hours and minutes
    time = sign + hour + ':' + minute;

    return time;
}

console.log(convertNumToTime(11.15));
console.log(convertNumToTime(1.08));
console.log(convertNumToTime(-2.50));
console.log(convertNumToTime(2));
console.log(convertNumToTime(0.40));

Output

11:09
1:05
-2:30
2:00
0:24

Demo

See the Pen
Convert Float to Hours and Minutes by SpeedySense Editorial (@speedysense)
on CodePen.

Convert a number to hours and minutes

The following javascript snippet converts a given float to hours and minutes.

function NumToTime(num) { 
    var hours = Math.floor(num / 60);  
    var minutes = num % 60;
    if (minutes + ''.length < 2) {
        minutes = '0' + minutes; 
    }
    return hours + ":" + minutes;
}

console.log(NumToTime(88));
console.log(NumToTime(350));
console.log(NumToTime(1236));

Output

1:28
5:50
20:36

Demo

See the Pen
Convert Number to Hours and Minutes by SpeedySense Editorial (@speedysense)
on CodePen.

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