String to Time in Javascript

Question

I have an input form for date, which gives me a string such as 06/01/2015

Using it I need to get two variables in time format for the beginning of the day and the end of the day (00:00:00, and 23:59:59) in time (milliseconds) format such as 1433206800000, 1433205690000. Can someone give me a tip on how to do it in Javascript.

Thank you for your time.

Or try vanilla JS which is quite capable of doing the job without any plugins — mplungjan
– mplungjan, Commented Jun 1, 2015 at 13:07

codeofnode · Accepted Answer · 2015-06-01 13:17:55Z

4

var d = new Date('your_date_string');

var start = Number(d.setHours(0,0,0,0));
var end = Number(d.setHours(23,59,59,999));
//OR
var start = d.setHours(0,0,0,0).getTime();
var end = d.setHours(23,59,59,999).getTime();

start and end are your variables

See setHours docs here

edited Jun 1, 2015 at 13:17

answered Jun 1, 2015 at 12:57

codeofnode

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3 Comments

mplungjan Over a year ago

or d.setHours(0,0,0,0).getTime()

codeofnode Over a year ago

If you use Number(date) that give the save as of date.getTime()

mplungjan Over a year ago

Yes, but it is using the official interface instead of having JS cast the value

forgivenson · Accepted Answer · 2015-06-01 13:02:47Z

1

The Date class is smart enough to know how to convert standard date string formats into a date, so you can just create new date objects, and then use the getTime() function to get it in milliseconds.

var dateStr = "06/01/2015",
    dayStartStr = " 00:00:00.000",
    dayEndStr = " 23:59:59.999";

var startDate = new Date(dateStr + dayStartStr);
var endDate = new Date(dateStr + dayEndStr);

console.log("start = " + startDate.getTime());
console.log("end = " + endDate.getTime());

answered Jun 1, 2015 at 13:02

forgivenson

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