how to convert the minutes into hours and minutes with subtracted time(subtracted time values)

Question

I want to subtract the two different 24 hours time format.

I had tried with following :

var startingTimeValue = 04:40;
var endTimeValue = 00:55;
var         


        

Answer 1

This works better , A fiddle I just found

var difference = Math.abs(toSeconds(a) - toSeconds(b));

fiddle