How to convert minutes to Hours and minutes (hh:mm) in java

Java Problem Overview

I need to convert minutes to hours and minutes in java. For example 260 minutes should be 4:20. can anyone help me how to do convert it.

Java Solutions

Solution 1 - Java

If your time is in a variable called t

int hours = t / 60; //since both are ints, you get an int
int minutes = t % 60;
System.out.printf("%d:%02d", hours, minutes);

It couldn't get easier

Addendum from 2021:

Please notice that this answer is about the literal meaning of the question: how to convert an amount of minute to hours + minutes. It has nothing to do with time, time zones, AM/PM...

If you need better control about this kind of stuff, i.e. you're dealing with moments in time and not just an amount of minutes and hours, see Basil Bourque's answer below.

Solution 2 - Java

tl;dr

Duration.ofMinutes( 260L )
        .toString()

>PT4H20M

… or …

LocalTime.MIN.plus( 
    Duration.ofMinutes( 260L ) 
).toString()

>04:20

`Duration`

The java.time classes include a pair of classes to represent spans of time. The Duration class is for hours-minutes-seconds, and Period is for years-months-days.

Duration d = Duration.ofMinutes( 260L );

`Duration` parts

Access each part of the Duration by calling to…Part. These methods were added in Java 9 and later.

long days = d.toDaysPart() ;
int hours = d.toHoursPart() ;
int minutes = d.toMinutesPart() ;
int seconds = d.toSecondsPart() ;
int nanos = d.toNanosPart() ;

You can then assemble your own string from those parts.

ISO 8601

The ISO 8601 standard defines textual formats for date-time values. For spans of time unattached to the timeline, the standard format is PnYnMnDTnHnMnS. The P marks the beginning, and the T separates the years-month-days from the hours-minutes-seconds. So an hour and a half is PT1H30M.

The java.time classes use ISO 8601 formats by default for parsing and generating strings. The Duration and Period classes use this particular standard format. So simply call toString.

String output = d.toString();

>PT4H20M

For alternate formatting, build your own String in Java 9 and later (not in Java 8) with the Duration::to…Part methods. Or see this Answer for using regex to manipulate the ISO 8601 formatted string.

`LocalTime`

I strongly suggest using the standard ISO 8601 format instead of the extremely ambiguous and confusing clock format of 04:20. But if you insist, you can get this effect by hacking with the LocalTime class. This works if your duration is not over 24 hours.

LocalTime hackUseOfClockAsDuration = LocalTime.MIN.plus( d );
String output = hackUseOfClockAsDuration.toString();

>04:20

About java.time

The java.time framework is built into Java 8 and later. These classes supplant the troublesome old legacy date-time classes such as java.util.Date, Calendar, & SimpleDateFormat.

The Joda-Time project, now in maintenance mode, advises migration to the java.time classes.

To learn more, see the Oracle Tutorial. And search Stack Overflow for many examples and explanations. Specification is JSR 310.

Where to obtain the java.time classes?

Java SE 8 and SE 9 and later
Built-in.
Part of the standard Java API with a bundled implementation.
Java 9 adds some minor features and fixes.
Java SE 6 and SE 7
Much of the java.time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
The ThreeTenABP project adapts ThreeTen-Backport (mentioned above) for Android specifically.
See How to use ThreeTenABP….

The ThreeTen-Extra project extends java.time with additional classes. This project is a proving ground for possible future additions to java.time. You may find some useful classes here such as Interval, YearWeek, YearQuarter, and more.

Solution 3 - Java

Use java.text.SimpleDateFormat to convert minute into hours and minute

SimpleDateFormat sdf = new SimpleDateFormat("mm");

try {
    Date dt = sdf.parse("90");
    sdf = new SimpleDateFormat("HH:mm");
    System.out.println(sdf.format(dt));
} catch (ParseException e) {
    e.printStackTrace();
}

Solution 4 - Java

You can also use the TimeUnit class. You could define

private static final String FORMAT = "%02d:%02d:%02d";

can have a method like:

public static String parseTime(long milliseconds) {
return String.format(FORMAT,
TimeUnit.MILLISECONDS.toHours(milliseconds),
TimeUnit.MILLISECONDS.toMinutes(milliseconds) - TimeUnit.HOURS.toMinutes(
TimeUnit.MILLISECONDS.toHours(milliseconds)),
TimeUnit.MILLISECONDS.toSeconds(milliseconds) - TimeUnit.MINUTES.toSeconds(
TimeUnit.MILLISECONDS.toMinutes(milliseconds)));
}

Solution 5 - Java

I use this function for my projects:

 public static String minuteToTime(int minute) {
    int hour = minute / 60;
    minute %= 60;
    String p = "AM";
    if (hour >= 12) {
        hour %= 12;
        p = "PM";
    }
    if (hour == 0) {
        hour = 12;
    }
    return (hour < 10 ? "0" + hour : hour) + ":" + (minute < 10 ? "0" + minute : minute) + " " + p;
}

Solution 6 - Java

It can be done like this

        int totalMinutesInt = Integer.valueOf(totalMinutes.toString());

		int hours = totalMinutesInt / 60;
		int hoursToDisplay = hours;

		if (hours > 12) {
			hoursToDisplay = hoursToDisplay - 12;
		}

		int minutesToDisplay = totalMinutesInt - (hours * 60);
		
		String minToDisplay = null;
		if(minutesToDisplay == 0 ) minToDisplay = "00";		
		else if( minutesToDisplay < 10 ) minToDisplay = "0" + minutesToDisplay ;
		else minToDisplay = "" + minutesToDisplay ;
		
		String displayValue = hoursToDisplay + ":" + minToDisplay;
	 
		if (hours < 12)
			displayValue = displayValue + " AM";
		else
			displayValue = displayValue + " PM";

		return displayValue;
	} catch (Exception e) {
		LOGGER.error("Error while converting currency.");
	}
	return totalMinutes.toString();

Solution 7 - Java

(In Kotlin) If you are going to put the answer into a TextView or something you can instead use a string resource:

<string name="time">%02d:%02d</string>

And then you can use this String resource to then set the text at run time using:

private fun setTime(time: Int) {
    val hour = time / 60
    val min = time % 60
    main_time.text = getString(R.string.time, hour, min)
}

Solution 8 - Java

Given input in seconds you can transform to format hh:mm:ss like this :

int hours;
int minutes;
int seconds;
int formatHelper;

int input;


//formatHelper maximum value is 24 hours represented in seconds

formatHelper = input % (24*60*60);

//for example let's say format helper is 7500 seconds

hours = formatHelper/60*60;
minutes = formatHelper/60%60;
seconds = formatHelper%60;

//now operations above will give you result = 2hours : 5 minutes : 0 seconds;

I have used formatHelper since the input can be more then 86 400 seconds, which is 24 hours.

If you want total time of your input represented by hh:mm:ss, you can just avoid formatHelper.

I hope it helps.

Solution 9 - Java

Here is my function for convert a second,millisecond to day,hour,minute,second

public static String millisecondToFullTime(long millisecond) {
    return timeUnitToFullTime(millisecond, TimeUnit.MILLISECONDS);
}

public static String secondToFullTime(long second) {
    return timeUnitToFullTime(second, TimeUnit.SECONDS);
}

public static String timeUnitToFullTime(long time, TimeUnit timeUnit) {
    long day = timeUnit.toDays(time);
    long hour = timeUnit.toHours(time) % 24;
    long minute = timeUnit.toMinutes(time) % 60;
    long second = timeUnit.toSeconds(time) % 60;
    if (day > 0) {
        return String.format("%dday %02d:%02d:%02d", day, hour, minute, second);
    } else if (hour > 0) {
        return String.format("%d:%02d:%02d", hour, minute, second);
    } else if (minute > 0) {
        return String.format("%d:%02d", minute, second);
    } else {
        return String.format("%02d", second);
    }
}

Testing

public static void main(String[] args) {
    System.out.println("60 => " + secondToFullTime(60));
    System.out.println("101 => " + secondToFullTime(101));
    System.out.println("601 => " + secondToFullTime(601));
    System.out.println("7601 => " + secondToFullTime(7601));
    System.out.println("36001 => " + secondToFullTime(36001));
    System.out.println("86401 => " + secondToFullTime(86401));
}

Output

60 => 1:00
101 => 1:41
601 => 10:01
7601 => 2:06:41
36001 => 10:00:01
86401 => 1day 00:00:01

Hope it help

Solution 10 - Java

Minutes mod 60 will gives hours with minutes remaining.

http://www.cafeaulait.org/course/week2/15.html

Solution 11 - Java

int mHours = t / 60; //since both are ints, you get an int
int mMinutes = t % 60;
System.out.printf("%d:%02d", "" +mHours, "" +mMinutes);

Solution 12 - Java

long d1Ms=asa.getTime();   
long d2Ms=asa2.getTime();   
long minute = Math.abs((d1Ms-d2Ms)/60000);   
int Hours = (int)minute/60;     
int Minutes = (int)minute%60;     
stUr.setText(Hours+":"+Minutes);

Solution 13 - Java

Try this code:

import java.util.Scanner;

public class BasicElement {
    public static void main(String[] args){
        Scanner input = new Scanner(System.in);
        int hours;
        System.out.print("Enter the hours to convert:");
        hours =input.nextInt();
        int d=hours/24;
        int m=hours%24;
        System.out.println(d+"days"+" "+m+"hours");		

    }
}

Solution 14 - Java

import java.util.Scanner;
public class Time{
	public static void main(String[]args){
		int totMins=0;
		int hours=0;
		int mins=0;
	Scanner sc= new Scanner(System.in);
	System.out.println("Enter the time in mins: ");
		totMins= sc.nextInt();
		hours=(int)(totMins/60);
		mins =(int)(totMins%60);
		System.out.printf("%d:%d",hours,mins);
	}
}

Content Type	Original Author	Original Content on Stackoverflow
Question	lakshmi	View Question on Stackoverflow
Solution 1 - Java	Federico klez Culloca	View Answer on Stackoverflow
Solution 2 - Java	Basil Bourque	View Answer on Stackoverflow
Solution 3 - Java	Athar Iqbal	View Answer on Stackoverflow
Solution 4 - Java	walters	View Answer on Stackoverflow
Solution 5 - Java	Shohan Ahmed Sijan	View Answer on Stackoverflow
Solution 6 - Java	Priyanka	View Answer on Stackoverflow
Solution 7 - Java	Anthony Cannon	View Answer on Stackoverflow
Solution 8 - Java	LightinDarknessJava	View Answer on Stackoverflow
Solution 9 - Java	Linh	View Answer on Stackoverflow
Solution 10 - Java	Ryre	View Answer on Stackoverflow
Solution 11 - Java	Jigar Patel	View Answer on Stackoverflow
Solution 12 - Java	developer	View Answer on Stackoverflow
Solution 13 - Java	Jayaramachandran P	View Answer on Stackoverflow
Solution 14 - Java	Janeth Fernando	View Answer on Stackoverflow

How to convert minutes to Hours and minutes (hh:mm) in java

Java Problem Overview

Java Solutions

Solution 1 - Java

Solution 2 - Java

tl;dr

`Duration`

`Duration` parts

ISO 8601

`LocalTime`

About java.time

Solution 3 - Java

Solution 4 - Java

Solution 5 - Java

Solution 6 - Java

Solution 7 - Java

Solution 8 - Java

Solution 9 - Java

Solution 10 - Java

Solution 11 - Java

Solution 12 - Java

Solution 13 - Java

Solution 14 - Java

Visual Studio - How to change a project's folder name and solution name without breaking the solution

How to convert Double to int directly?

Attributions

Java Problem Overview

Java Solutions

Solution 1 - Java

Solution 2 - Java

tl;dr

Duration

Duration parts

ISO 8601

LocalTime

About java.time

Solution 3 - Java

Solution 4 - Java

Solution 5 - Java

Solution 6 - Java

Solution 7 - Java

Solution 8 - Java

Solution 9 - Java

Solution 10 - Java

Solution 11 - Java

Solution 12 - Java

Solution 13 - Java

Solution 14 - Java

Visual Studio - How to change a project's folder name and solution name without breaking the solution

How to convert Double to int directly?

Attributions

`Duration`

`Duration` parts

`LocalTime`