Hour difference between two times(HH:MM:SS a)in momentjs

Question

I have two time without date

var startTime=\"12:16:59 am\";
var endTime=\"06:12:07 pm\";

I want to show the total hours in between the abov

Answer 1

var startTime = moment("12:16:59 am", 'hh:mm:ss a');
var endTime = moment("06:12:07 pm", 'hh:mm:ss a');

endTime.diff(startTime, 'hours');