Question

94

Calculate duration between two date times in javascript

rated 0 times [ 97] [ 3] / answers: 1 / hits: 23005 / 11 Years ago, tue, february 4, 2014, 12:00:00

I need to calculate the duration between two datetimes in JavaScript. I have tried this code:

var today = new Date();

var dd = today.getDate();

var mm = today.getMonth()+1; //January is 0!



var yyyy = today.getFullYear();

if(dd<10){dd='0'+dd} if(mm<10){mm='0'+mm} today = mm+'/'+dd+'/'+yyyy;  //Current Date

console.log(current date+today);





var valuestart =8:00 AM;

var valuestop = 4:00 PM;//$(select[name='timestop']).val();



//create date format          

var timeStart = new Date(01/01/2007  + valuestart).getHours();

var timeEnd = new Date(01/01/2007  + valuestop).getHours();



var hourDiff = timeEnd - timeStart;             

console.log(duration+hourDiff);

From this, I am able to get Current Date and duration. But when I replace the date 01/01/2007 with the variable today, I am getting the result as NaN. Please guide me in where I am wrong. Thanks in advance.

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darennevina

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answered 11 Years ago carl · Accepted Answer

Try this :

        var today = new Date();

        var dd = today.getDate();

        var mm = today.getMonth()+1; //January is 0!



        var yyyy = today.getFullYear();

        if(dd<10){dd='0'+dd} if(mm<10){mm='0'+mm} today = dd+'/'+mm+'/'+yyyy;  //Current Date



        var valuestart =8:00 AM;

        var valuestop = 4:00 PM;//$(select[name='timestop']).val();



        //create date format  

        var timeStart = new Date(today +   + valuestart).getHours();

        var timeEnd = new Date(today +   + valuestop).getHours();



        var hourDiff = timeEnd - timeStart;  

        alert(duration:+hourDiff);