Converting Milliseconds to Minutes and Seconds

Question

I have looked through previous questions  but none had the answer I was looking for  How do I convert milliseconds from a StopWatch method to Minutes and Seconds  I have    watch start      to start the stopwatch and    watch stop      to stop the watch  I later have     watch getTime      which returns Milliseconds  I want it to return in Seconds and Minutes  How do I go about doing so  I m looking for a way to do it without multiplying dividing by 1000 but rather a method that will make the whole computation more readable and less error-prone

User · Answer

I was creating a mp3 player app for android  so I did it like this to get current time and duration   private String millisecondsToTime long milliseconds        long minutes    milliseconds   1000    60      long seconds    milliseconds   1000    60      String secondsStr   Long toString seconds       String secs      if  secondsStr length    gt   2            secs   secondsStr substring 0  2         else           secs    0    secondsStr             return minutes         secs

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I don t think Java 1 5 support concurrent TimeUnit   Otherwise  I would suggest for TimeUnit   Below is based on pure math approach   stopWatch stop    long milliseconds   stopWatch getTime     int seconds    int    milliseconds   1000    60   int minutes    int    milliseconds   1000    60

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X milliseconds   X   1000 seconds    X   1000    60 minutes  If you have 100 000 milliseconds  divide this value by 1 000 and you re left with 100 seconds  Now 100   60   1 666  minutes  but fractional minutes have no value  so  do 100   60   40 seconds to find the remainder  then integer division 100   60   1 minute  with 40 seconds remainder  Answer  1 minute  40 seconds

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You can try proceeding this way   Pass ms value from  Long ms   watch getTime      to  getDisplayValue ms    Kotlin implementation   fun getDisplayValue ms  Long   String           val duration   Duration ofMillis ms          val minutes   duration toMinutes           val seconds   duration minusMinutes minutes  seconds          return    minutes min   seconds sec      Java implementation   public String getDisplayValue Long ms            Duration duration   Duration ofMillis ms           Long minutes   duration toMinutes            Long seconds   duration minusMinutes minutes  getSeconds             return minutes    min     seconds  sec

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To convert time in millis directly to minutes  second format you can use this  String durationText   DateUtils formatElapsedTime timeInMillis   1000      This will return a string with time in proper formatting   It worked for me

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public static String getIntervalTime long longInterval         long intMillis   longInterval      long dd   TimeUnit MILLISECONDS toDays intMillis       long daysMillis   TimeUnit DAYS toMillis dd       intMillis -  daysMillis      long hh   TimeUnit MILLISECONDS toHours intMillis       long hoursMillis   TimeUnit HOURS toMillis hh       intMillis -  hoursMillis      long mm   TimeUnit MILLISECONDS toMinutes intMillis       long minutesMillis   TimeUnit MINUTES toMillis mm       intMillis -  minutesMillis      long ss   TimeUnit MILLISECONDS toSeconds intMillis       long secondsMillis   TimeUnit SECONDS toMillis ss       intMillis -  secondsMillis       String stringInterval     02d days -  02d  02d  02d  03d       return String format stringInterval   dd  hh  mm  ss  intMillis         Testing  long delay   1000 60 20   1000 5   10  LOGGER log Level INFO   Delay Expected  0    getIntervalTime delay      Output  INFO  Delay Expected 00 days - 00 20 05 010

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Here is a simple solution   Example calls that could be used in any method      StopWatch start    StopWatch stop    StopWatch displayDiff    displays difference in minutes and seconds   between start and stop   elapsed time   import java time Duration  import java time Instant    public class StopWatch        private static Instant start      private static Instant stop       private void StopWatch                not called            public static void start             start   Instant now               public static void stop             stop   Instant now               public static void displayDiff             Duration totalTime   Duration between start  stop           System out println totalTime toMinutes       Minutes                                 totalTime toMillis     1000     Seconds

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tl dr  Duration d   Duration ofMillis          int minutes   d toMinutesPart     int seconds   d toSecondsPart       Java 9 and later  In Java 9 and later  create a Duration and call the to   Part methods  In this case  toMinutesPart and toSecondsPart   Capture the start  amp  stop of your stopwatch   Instant start   Instant now         Instant stop   Instant now      Represent elapsed time in a Duration object   Duration d   Duration between  start   stop      Interrogate for each part  the minutes and the seconds   int minutes   d toMinutesPart    int seconds   d toSecondsPart      You might also want to see if your stopwatch ran expectedly long   Boolean ranTooLong     d toDaysPart    gt  0        d toHoursPart    gt  0       Java 8  In Java 8  the Duration class lacks to   Part methods  You will need to do math as shown in the other Answers    long entireDurationAsSeconds   d getSeconds      Or let Duration do the math   long minutesPart   d toMinutes     long secondsPart   d minusMinutes  minutesPart   getSeconds       See live code in IdeOne com      Interval  2016-12-18T08 39 34 099Z 2016-12-18T08 41 49 099Z      d toString    PT2M15S      d getSeconds    135      Elapsed  2M 15S   Resolution  FYI  the resolution of now methods changed between Java 8 and Java 9  See this Question    Java 9 captures the moment with a resolution as fine as nanoseconds  Resolution depends on capability of your computer   s hardware  I see microseconds  six digits of decimal fraction  on MacBook Pro Retina with macOS Sierra   Java 8 captures the moment only up to milliseconds  The implementation of Clock is limited to a resolution of milliseconds  So you can store values in nanoseconds but only capture them in milliseconds      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   amp  SimpleDateFormat   To learn more  see the Oracle Tutorial  And search Stack Overflow for many examples and explanations  Specification is JSR 310   The Joda-Time project  now in maintenance mode  advises migration to the java time classes   You may exchange java time objects directly with your database  Use a JDBC driver compliant with JDBC 4 2 or later  No need for strings  no need for java sql   classes   Where to obtain the java time classes     Java SE 8  Java SE 9  Java SE 10  Java SE 11  and later  - Part of the standard Java API with a bundled implementation    Java 9 adds some minor features and fixes   Java SE 6 and Java SE 7   Most of the java time functionality is back-ported to Java 6  amp  7 in ThreeTen-Backport   Android   Later versions of Android bundle implementations of the java time classes  For earlier Android   lt 26   the ThreeTenABP project adapts ThreeTen-Backport  mentioned above   See How to use ThreeTenABP

User · Answer

You can easily convert miliseconds into seconds  minutes and hours                   val millis     milliSecondsYouWantToConvert                   val seconds    millis   1000    60                 val minutes     millis   1000    60    60                 val hours     millis   1000    60    60                  println  --------------------------------------------------------------------                   println String format   02dh    02dm    02ds remaining   hours  minutes  seconds                   println  --------------------------------------------------------------------     RESULT      --------------------------------------------------------------------   01h   23m   37s remaining --------------------------------------------------------------------

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After converting millis to seconds  by dividing by 1000   you can use   60 to get the minutes value  and   60  remainder  to get the  seconds in minute  value   long millis              obtained from StopWatch long minutes    millis   1000     60  int seconds    int   millis   1000    60

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Below code does the work for converting ms to min secs with  m ss  format  int seconds  int minutes  String Sec  long Mills            Milliseconds goes here minutes    int  Mills   1000     60  seconds    int   Mills   1000    60   Sec   seconds      TextView setText minutes     Sec    Display duration  3 40

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package com v3mobi userpersistdatetime   import android os Bundle  import android support v7 app AppCompatActivity  import android util Log  import android widget Toast   import java util Date  import java util concurrent TimeUnit   public class UserActivity extends AppCompatActivity        Date startDate      Date endDate        Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout activity user           startDate   java util Calendar getInstance   getTime      set your start time             Override     protected void onStop             super onStop            endDate   java util Calendar getInstance   getTime       set  your end time          chekUserPersistence                private void chekUserPersistence                 long duration   endDate getTime   - startDate getTime              long duration   301000           long diffInMinutes   TimeUnit MILLISECONDS toMinutes duration              minutes ok         long secs    duration 1000    60             minutes ok           Toast makeText UserActivity this   Diff                       diffInMinutes          secs   Toast LENGTH SHORT  show             System out println  Diff      diffInMinutes         secs             Log e  keshav   diffInMinutes -- gt    diffInMinutes           Log e  keshav   secs -- gt    secs           finish

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Here is the full program  import java util concurrent TimeUnit   public class Milliseconds    public static void main String   args        long milliseconds   1000000          long minutes    milliseconds   1000    60      long minutes   TimeUnit MILLISECONDS toMinutes milliseconds           long seconds    milliseconds   1000       long seconds   TimeUnit MILLISECONDS toSeconds milliseconds        System out format   d Milliseconds    d minutes n   milliseconds  minutes        System out println  Or        System out format   d Milliseconds    d seconds   milliseconds  seconds           I found this program here  Link  there it is explained in detail

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This is just basic math  1000 milliseconds 1 second and 60000 milliseconds   1 minute  So just do   int seconds  millis 1000  60   long minutes   millis-seconds  1000  60

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To get actual hour  minute and seconds as appear on watch try this code  val sec    milliSec 1000    60 val min     milliSec 1000    60    60 val hour     milliSec 1000    60    60

User · Answer

I would suggest using TimeUnit  You can use it like this   long minutes   TimeUnit MILLISECONDS toMinutes millis   long seconds   TimeUnit MILLISECONDS toSeconds millis

[java] Converting Milliseconds to Minutes and Seconds?

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