Get the time difference between two datetimes

Question

I know I can do anything and some more envolving Dates with momentjs  But embarrassingly  I m having a hard time trying to do something that seems simple  geting the difference between 2 times   Example   var now     04 09 2013 15 00 00   var then    04 09 2013 14 20 30      expected result   00 39 30    what I tried   var now   moment  04 09 2013 15 00 00    var then   moment  04 09 2013 14 20 30     console log moment moment duration now diff then    format  hh mm ss      outputs 10 39 30     I do not understand what is that  10  there  I live in Brazil  so we are utc-0300 if that is relevant   The result of moment duration now diff then   is a duration with the correct internal values      days  0  hours  0  milliseconds  0  minutes  39  months  0  seconds  30  years  0   So  I guess my question is  how to convert a momentjs Duration to a time interval  I sure can use  duration get  hours         duration get  minutes       duration get  seconds     but i feel that there is something more elegant that I am completely missing   update looking closer  in the above example now is     Tue Apr 09 2013 15 00 00 GMT-0300  E  South America Standard Time        and moment moment duration now diff then    is   Wed Dec 31 1969 22 39 30 GMT-0200  E  South America Daylight Time        I am not sure why the second value is in Daylight Time  -0200     but I am sure that i do not like dates     update 2    well  the value is -0200 probably because 31 12 1969 was a date where the daylight time was being used    so thats that

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In ES8 using moment  now and start being moment objects   const duration   moment duration now diff start    const timespan   duration get  hours   toString   padStart 2   0         duration get  minutes   toString   padStart 2   0         duration get  seconds   toString   padStart 2   0

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Use this     var duration   moment duration endDate diff startDate         var aa   duration asHours

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Typescript  following should work   export const getTimeBetweenDates        until    format        until  number    format   seconds     minutes     hours     days       number   gt      const date   new Date      const remainingTime   new Date until   1000     const getFrom   moment  date getUTCFullYear    date getUTCMonth    date getUTCDate        const getUntil   moment  remainingTime getUTCFullYear    remainingTime getUTCMonth    remainingTime getUTCDate        const diff   getUntil diff getFrom  format     return  isNaN diff    diff   null

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Your problem is in passing the result of moment duration   back into moment   before formatting it  this results in moment   interpreting it as a time relative to the Unix epoch   It doesn t give you exactly the format you re looking for  but  moment duration now diff then   humanize    would give you a useful format like  40 minutes   If you re really keen on that specific formatting  you ll have to build a new string yourself  A cheap way would be   diff asHours    diff minutes    diff seconds    join       where var diff   moment duration now diff then    This doesn t give you the zero-padding on single digit values  For that  you might want to consider something like underscore string - although it seems like a long way to go just for a few extra zeroes

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var a   moment  2007  0  29    var b   moment  2007  0  28    a diff b   days      days  years  months  seconds         Result 1    Worked for me  See more in http   momentjs com docs   displaying difference

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This will work for any date in the format YYYY-MM-DD HH mm ss const moment require  quot moment quot    let startDate moment  quot 2020-09-16 08 39 27 quot    const endDate moment      const duration moment duration endDate diff startDate   console log duration asSeconds      console log duration asHours

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InTime 06 38 Outtime 15 40   calTimeDifference            this start   dailyattendance InTime split               this end   dailyattendance OutTime split               var time1     parseInt this start 0     60    parseInt this start 1            var time2     parseInt this end 0     60    parseInt this end 1             var time3     time2 - time1    60           var timeHr   parseInt    time3           var  timeMin     time2 - time1    60

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If we want only hh mm ss  we can use a function like that     param  duration in milliseconds MillisecondsToTime  function duration        var seconds   parseInt  duration 1000  60            minutes   parseInt  duration  1000 60   60            hours   parseInt  duration  1000 60 60   24            days    parseInt duration  1000 60 60 24         var hoursDays   parseInt days 24       hours    hoursDays      hours    hours  lt  10     0    hours   hours      minutes    minutes  lt  10     0    minutes   minutes      seconds    seconds  lt  10     0    seconds   seconds      return hours         minutes         seconds

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If you want difference of two timestamp into total days hours and minutes only  not in months and years    var now     01 08 2016 15 00 00   var then    04 02 2016 14 20 30   var diff   moment duration moment then  diff moment now       diff contains 2 months 23 days 23 hours and 20 minutes  But we need result only in days hours and minutes so the simple solution is   var days   parseInt diff asDays       84  var hours   parseInt diff asHours       2039 hours  but it gives total hours in given miliseconds which is not expacted   hours   hours - days 24      23 hours  var minutes   parseInt diff asMinutes       122360 minutes but it gives total minutes in given miliseconds which is not expacted   minutes   minutes -  days 24 60   hours 60     20 minutes    Final result will be   84 days  23 hours  20 minutes

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The following approach is valid for all cases  difference between dates less than 24 hours and difference greater than 24 hours      Defining start and end variables let start   moment  04 09 2013 15 00 00    DD MM YYYY hh mm ss    let end     moment  04 09 2013 14 20 30    DD MM YYYY hh mm ss        Getting the difference  hours  h   minutes  m  and seconds  s  let h    end diff start   hours    let m    end diff start   minutes   -  60   h   let s    end diff start   seconds   -  60   60   h  -  60   m       Formating in hh mm ss  appends a left zero when num  lt  10  let hh     0    h  slice -2   let mm     0    m  slice -2   let ss     0    s  slice -2    console log    hh    mm    ss        00 39 30

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This approach will work ONLY when the total duration is less than 24 hours   var now     04 09 2013 15 00 00   var then    04 09 2013 14 20 30    moment utc moment now  DD MM YYYY HH mm ss   diff moment then  DD MM YYYY HH mm ss     format  HH mm ss       outputs   00 39 30    If you have 24 hours or more  the hours will reset to zero with the above approach  so it is not ideal   If you want to get a valid response for durations of 24 hours or greater  then you ll have to do something like this instead   var now     04 09 2013 15 00 00   var then    02 09 2013 14 20 30    var ms   moment now  DD MM YYYY HH mm ss   diff moment then  DD MM YYYY HH mm ss     var d   moment duration ms   var s   Math floor d asHours      moment utc ms  format   mm ss        outputs   48 39 30    Note that I m using the utc time as a shortcut   You could pull out d minutes   and d seconds   separately  but you would also have to zeropad them   This is necessary because the ability to format a duration objection is not currently in moment js   It has been requested here   However  there is a third-party plugin called moment-duration-format that is specifically for this purpose   var now     04 09 2013 15 00 00   var then    02 09 2013 14 20 30    var ms   moment now  DD MM YYYY HH mm ss   diff moment then  DD MM YYYY HH mm ss     var d   moment duration ms   var s   d format  hh mm ss        outputs   48 39 30

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This should work fine  var now     quot 04 09 2013 15 00 00 quot   var then    quot 02 09 2013 14 20 30 quot    var ms   moment now  quot DD MM YYYY HH mm ss quot   diff moment then  quot DD MM YYYY HH mm ss quot     var d   moment duration ms    console log d days           d hours           d minutes           d seconds

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If you want a localized number of days between two dates  startDate  endDate   var currentLocaleData   moment localeData  quot en quot    var duration   moment duration endDate diff startDate    var nbDays   Math floor duration asDays        complete days var nbDaysStr   currentLocaleData relativeTime returnVal days  false   quot dd quot   false    nbDaysStr will contain something like  3 days   See https   momentjs com docs   i18n changing-locale  for information on how to display the amount of hours or month  for example

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EPOCH TIME DIFFERENCE USING MOMENTJS   To Get Difference between two epoch times   Syntax  moment duration moment moment date1  diff moment date2     asHours    Difference in Hours  moment duration moment moment 1590597744551  diff moment 1590597909877     asHours    Difference in minutes  moment duration moment moment 1590597744551  diff moment 1590597909877     asMinutes   toFixed    Note  You could remove  toFixed   if you need precise values   Code   const moment   require  moment    console log  Date 1  moment 1590597909877  toISOString    console log  Date 2  moment 1590597744551  toISOString    console log  Date1 - Date 2 time diffrence is     moment duration moment moment 1590597909877  diff moment 1590597744551     asMinutes   toFixed     minutes      Refer working example here  https   repl it repls MoccasinDearDimension

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I create a simple function with typescript  const diffDuration  moment Duration   moment duration moment  2017-09-04 12 55   diff moment  2017-09-02 13 26      setDiffTimeString diffDuration    function setDiffTimeString diffDuration  moment Duration      const str         diffDuration years    gt  0   str push    diffDuration years    year s      null    diffDuration months    gt  0   str push    diffDuration months    month s      null    diffDuration days    gt  0   str push    diffDuration days    day s      null    diffDuration hours    gt  0   str push    diffDuration hours    hour s      null    diffDuration minutes    gt  0   str push    diffDuration minutes    minute s      null    console log str join               output  1 day s   23 hour s   29 minute s    for generate javascript https   www typescriptlang org play index html

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Instead of   Math floor duration asHours      moment utc duration asMilliseconds    format   mm ss     It s better to do  moment utc total asMilliseconds    format  HH mm ss

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To get the difference between two-moment format dates or javascript Date format indifference of minutes the most optimum solution is const timeDiff   moment duration  moment apptDetails end date time  diff moment apptDetails date time     asMinutes    you can change the difference format as you need by just replacing the asMinutes   function

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DATE TIME BASED INPUT        var dt1   new Date  2019-1-8 11 19 16        var dt2   new Date  2019-1-8 11 24 16          var diff   dt2 getTime   - dt1 getTime          var hours   Math floor diff    1000   60   60        diff -  hours    1000   60   60       var mins   Math floor diff    1000   60        diff -  mins    1000   60         var response             status   200          Hour   hours          Mins   mins         OUTPUT     status   200   Hour   0   Mins   5

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When you call diff  moment js calculates the difference in milliseconds  If the milliseconds is passed to duration  it is used to calculate duration which is correct  However  when you pass the same milliseconds to the moment    it calculates the date that is milliseconds from after  epoch unix time that is January 1  1970  midnight UTC GMT   That is why you get 1969 as the year together with wrong hour   duration get  hours         duration get  minutes         duration get  seconds     So  I think this is how you should do it since moment js does not offer format function for duration  Or you can write a simple wrapper to make it easier prettier

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It is very simple with moment below code will return diffrence in hour from current time  moment   diff  2021-02-17T14 03 55 811000Z    quot h quot

[javascript] Get the time difference between two datetimes

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