Calculate time difference between two times javascript

Question

i\'ve looking around how to do this and i found a lot of examples with complicated code. Im using this:

var time1 = new Date();
var time1ms= time1.getTime(ti         


        

Answer 1

Note that in the getTimezoneOffset() returns a value in minutes, so if you want to use the lapse, you can correct it for the timezone difference like this:

lapse = new Date(difference); 
tz_correction_minutes = new Date().getTimezoneOffset() - lapse.getTimezoneOffset();
lapse.setMinutes(offset_date.getMinutes() + tz_correction_minutes);

now you can do:

label.text(lapse.getDate()-1+' days and'  +lapse.getHours()+':'+lapse.getMinutes()+':'+lapse.getSeconds());

to print out the time difference in human readable form

Answer 2

The problem is your timezone.

When you do new Date(difference), you're creating a Date object that represent the moment exatcly difference milliseconds after January 1st, 1970. When you do lapse.getHours() your timezone is used in the computation. You cannot modify your timezone via Javascript, and cannot modify this behaviour. Not without some heavy Javascript tricks.

But your difference does not represent a date, but a difference of dates. Treat is as such, and compute the hours, minutes and seconds like this:

var hours = Math.floor(difference / 36e5),
    minutes = Math.floor(difference % 36e5 / 60000),
    seconds = Math.floor(difference % 60000 / 1000);

Alternatively, you can take your timezone into account when creating lapse:

var lapse = new Date(difference + new Date().getTimezoneOffset() * 1000);

but I wouldn't recommend this: Date objects are overkill for your purposes.