Convert string by javascript date function

Question

I'm try to initialize a new date object but I don't understand why returns me ever Invalid Date.

var dateString= this.get("created_at");
    var dataParts = dateString.split(' ');
    var timeParts = dataParts[3].split(':');

    //console.log(dataParts);-->["Fri", "May", "09", "17:45:54", "+0000", "2014"] 
    //console.log(timeParts);-->["17", "45", "54"]


    var year=dataParts[5];
    var month=dataParts[1];
    var day=dataParts[2];
    var hour=timeParts[0];
    var minute=timeParts[1];
    var second=timeParts[2];


    var date = new Date(year,month,day,hour,minute,second);


    console.log(date);

["Fri", "May", "09", "17:45:54", "+0000", "2014"] Should be ["Fri", "04", "09", "17:45:54", "+0000", "2014"] — highwingers
– highwingers, Commented May 9, 2014 at 22:37
Please read the documentation: "month Integer value representing the month, beginning with 0 for January to 11 for December." — Felix Kling
– Felix Kling, Commented May 9, 2014 at 22:37

Andy G · Accepted Answer · 2014-05-09 22:54:43Z

3

var date = new Date(year,month,day,hour,minute,second);

using this constructor the month needs to be a number, not "May".

Note also that months begin at 0 for January, so May is 4.

Alternatively, construct the date as a string: new Date("May 09, 2014 17:45:54") from the parts that you have. (You won't have to split the time or lookup the month-number.)

edited May 9, 2014 at 22:54

answered May 9, 2014 at 22:36

Andy G

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3 Comments

Travis J Over a year ago

+1 - Small note, months should be 0 based, so May should be 4.

Stefano Maglione Over a year ago

Could you tell me how convert may in appropriate number?

Xotic750 Over a year ago

Use an Object as a lookup table. {..., May: 4, ...}

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