Get hours difference between two dates in Moment Js

Question

I m able to get the difference between two dates using MomentJs as follows   moment end diff startTime   format  m m  s s      However  I also want to display the hour when applicable  only when    60 minutes have passed    However  when I try to retrieve the duration hours using the following   var duration   moment duration end diff startTime    var hours   duration hours      it is returning the current hour and not the number of hours between the two dates    How do I get the difference in hours between two Moments

User · Answer

var start moment 1541243900000    var end moment 1541243942882    var duration   moment duration end diff startTime     var hours   duration asHours      As you can see  the start and end date needed to be moment objects for this method to work

User · Answer

If you want total minutes between two dates in day wise than may below code will help full to you Start Date   2018-05-04 02 08 05   End Date   2018-05-14 09 04 07     function countDaysAndTimes startDate endDate   return new Promise function  resolve  reject    var dayObj   new Object  var finalArray   new Array   var datetime1   moment startDate   var datetime2   moment endDate   if datetime1 format  D      datetime2 format  D      datetime1 format  M      datetime2 format  M       datetime1 format  YYYY      datetime2 format  YYYY       var onlyDate1   startDate split         var onlyDate2   endDate split         var totalDays   moment onlyDate2 0   diff moment onlyDate1 0     days         First Day Entry   dayObj startDate   startDate    dayObj endDate   moment onlyDate1 0   add 1   day   format  YYYY-MM-DD     00 00 00     dayObj minutes   moment dayObj endDate  diff moment dayObj startDate    minutes      finalArray push dayObj         Between Days Entry   var i   1    if totalDays  gt  1       for i 1  i lt totalDays  i           var dayObj1   new Object        dayObj1 startDate   moment onlyDate1 0   add i   day   format  YYYY-MM-DD     00 00 00         dayObj1 endDate   moment onlyDate1 0   add i 1   day   format  YYYY-MM-DD     00 00 00         dayObj1 minutes   moment dayObj1 endDate  diff moment dayObj1 startDate    minutes          finalArray push dayObj1                   Last Day Entry   var dayObj2   new Object    dayObj2 startDate   moment onlyDate1 0   add i   day   format  YYYY-MM-DD     00 00 00     dayObj2 endDate   endDate     dayObj2 minutes   moment dayObj2 endDate  diff moment dayObj2 startDate    minutes      finalArray push dayObj2      else    dayObj startDate   startDate    dayObj endDate   endDate    dayObj minutes   datetime2 diff datetime1   minutes      finalArray push dayObj     console log JSON stringify finalArray       console table finalArray   resolve finalArray              Output             startDate   2018-05-04 02 08 05      endDate   2018-05-05 00 00 00      minutes  1311             startDate   2018-05-05 00 00 00      endDate   2018-05-06 00 00 00      minutes  1440             startDate   2018-05-06 00 00 00      endDate   2018-05-07 00 00 00      minutes  1440             startDate   2018-05-07 00 00 00      endDate   2018-05-08 00 00 00      minutes  1440             startDate   2018-05-08 00 00 00      endDate   2018-05-09 00 00 00      minutes  1440             startDate   2018-05-09 00 00 00      endDate   2018-05-10 00 00 00      minutes  1440             startDate   2018-05-10 00 00 00      endDate   2018-05-11 00 00 00      minutes  1440             startDate   2018-05-11 00 00 00      endDate   2018-05-12 00 00 00      minutes  1440             startDate   2018-05-12 00 00 00      endDate   2018-05-13 00 00 00      minutes  1440             startDate   2018-05-13 00 00 00      endDate   2018-05-14 00 00 00      minutes  1440             startDate   2018-05-14 00 00 00      endDate   2018-05-14 09 04 07      minutes  544

User · Answer

As per the new Deprecation warning of Moment JS You need to pass Format of Start and end date Format along with values for example      let trackStartTime    quot 2020-12-29 09 59 19 07  05 30 quot      let trackEndTime    quot 2020-12-29 11 04 19 07  05 30 quot     moment   format  quot YYYY-MM-DD HH mm ss SS Z quot       let overallActivity   moment duration moment trackEndTime   YYYY-MM-DD HH mm ss SS Z   diff moment trackStartTime   YYYY-MM-DD HH mm ss SS Z     asHours

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Following code block shows how to calculate the difference in number of days between two dates using MomentJS   var now   moment new Date       todays date var end   moment  2015-12-1       another date var duration   moment duration now diff end    var days   duration asDays    console log days

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var timecompare                 tstr                  get  function  current time  startTime  endTime                    this tstr                       var s   current time split       t1   tm1 split       t2   tm2 split       t1s   Number t1 0    t1d   Number t1 1    t2s   Number t2 0    t2d   Number t2 1                     if  t1s  lt  t2s                        this t t1s  t2s                                      if  t1s  gt  t2s                        this t t1s  23                       this t 0  t2s                                      var saat dk   Number s 1                     if  s 0     tm1 substring 0  2   amp  amp  saat dk  gt   t1d                      return true                  if  s 0     tm2 substring 0  2   amp  amp  saat dk  lt   t2d                      return true                  if  this tstr indexOf s 0      1  amp  amp  this tstr indexOf s 0      -1  amp  amp    this tstr indexOf s 0      this tstr length - 2                       return true                   return false                              t  function  ii  brk                    for  var i   0  i  lt   23  i                          if  i  lt  ii                          continue                      var s    i  lt  10     0    i   i                           this tstr          s                      if  brk    i                          break

User · Answer

Or you can do simply   var a   moment  2016-06-06T21 03 55     now var b   moment  2016-05-06T20 03 55     console log a diff b   minutes       44700 console log a diff b   hours       745 console log a diff b   days       31 console log a diff b   weeks       4   docs  here

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In my case  I wanted hours and minutes   var duration   moment duration end diff startTime    var hours   duration hours      hours instead of asHours var minutes   duration minutes      minutes instead of asMinutes   For more info refer to the official docs

User · Answer

I know this is old  but here is a one liner solution   const hourDiff   start diff end   hours      Where start and end are moment objects   Enjoy

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var   startTime   moment  2016-06-06T09 00   format    var   endTime   moment  2016-06-06T21 00   format     var   duration   moment duration moment   endTime  diff   startTime    var   hours     duration asHours    console log   hours

User · Answer

There is a great moment method called fromNow   that will return the time from a specific time in nice human readable form  like this    moment  2019-04-30T07 30 53 000Z   fromNow      an hour ago    a day ago    10 days ago   Or if you want that between two specific dates you can use    var a   moment  2007  0  28    var b   moment  2007  0  29    a from b       a day ago    Taken from the Docs     fromNow   from

User · Answer

All you need to do is pass in hours as the second parameter to moments diff function   var a   moment  21 30 00    HH mm ss   var b   moment  09 30 00    HH mm ss   a diff b   hours      12   Docs  https   momentjs com docs   displaying difference   Example    x000D   x000D  const dateFormat    YYYY-MM-DD HH mm ss   x000D     Get your start and end date times x000D  const rightNow   moment   format dateFormat   x000D  const thisTimeYesterday   moment   subtract 1   days   format dateFormat   x000D     pass in hours as the second parameter to the diff function x000D  const differenceInHours   moment rightNow  diff thisTimeYesterday   hours    x000D   x000D  console log    differenceInHours  hours have passed since this time yesterday    x000D   lt script  x000D    src  https   cdnjs cloudflare com ajax libs moment js 2 20 1 moment min js  gt  x000D   lt  script gt  x000D   x000D   x000D

User · Answer

You were close  You just need to use the duration asHours   method  see the docs    var duration   moment duration end diff startTime    var hours   duration asHours

User · Answer

I know this is already answered but in case you want something recursive and more generic and not relying on moment fromNow you could use this function I created  Of course you can change its logic to adjust it to your needs to also support years and seconds   var createdAt   moment  2019-05-13T14 23 00 607Z    var expiresAt   moment  2019-05-14T14 23 00 563Z        You can also add years in the beginning of the array or seconds in its end const UNITS     months    weeks    days    hours    minutes   function getValidFor  createdAt  expiresAt  unit    months         const validForUnit   expiresAt diff createdAt  unit          you could adjust the if to your needs      if  validForUnit  gt  1     unit      minutes         return  validForUnit  unit         return getValidFor createdAt  expiresAt  UNITS UNITS indexOf unit    1

[javascript] Get hours difference between two dates in Moment Js

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