Hour difference between two times(HH:MM:SS a)in momentjs

Question

I have two time without date

var startTime="12:16:59 am"; var endTime="06:12:07 pm"; 

I want to show the total hours in between the above times by using moment.js.

If it's not possible in moment.js then please let me know using by javascript.

Inputs:

var startTime="01:30:00 am"; var endTime="2:45:07 pm"; 

Expected Output:

1 hour and 15 minutes 

Answer 1

Try code below

// start time and end time var startTime = moment('12:16:59 am', 'HH:mm:ss a'); var endTime = moment('06:12:07 pm', 'HH:mm:ss a');  // calculate total duration var duration = moment.duration(endTime.diff(startTime));  // duration in hours var hours = parseInt(duration.asHours());  // duration in minutes var minutes = parseInt(duration.asMinutes()) % 60;  alert(hours + ' hour and ' + minutes + ' minutes.'); 

Check fiddle here - https://jsfiddle.net/nil4you/gs69Lv5x/

Answer 2

Get Hours

I got the hours by using this code

endTime.diff(startTime, 'hours') 

Get Minutes

i got the minutes by using this below code

var mins = moment.utc(moment(endTime, "HH:mm:ss").diff(moment(startTime, "HH:mm:ss"))).format("mm") 

My Working code is

$scope.UpdateTimeSheet = function (rowEntity) {      if (rowEntity.StartTime.toString().length != 11) {     rowEntity.StartTime = moment(rowEntity.StartTime).format("hh:mm:ss a");   }    if (rowEntity.EndTime.toString().length != 11) {     rowEntity.EndTime = moment(rowEntity.EndTime).format("hh:mm:ss a");   }    var startTime = moment(rowEntity.StartTime, "hh:mm:ss a");   var endTime = moment(rowEntity.EndTime, "hh:mm:ss a");    var mins = moment.utc(moment(endTime, "HH:mm:ss").diff(moment(startTime, "HH:mm:ss"))).format("mm")    rowEntity.TotalHours = endTime.diff(startTime, 'hours') + " Hrs and " + mins + " Mns";  }