angular difference between Date and DateTime code example
Example: angular calculate difference between two dates
// To set two dates to two variables
var date1 = new Date("06/30/2019");
var date2 = new Date("07/30/2019");
var Time = date2.getTime() - date1.getTime();
var Days = Time / (1000 * 3600 * 24); //Diference in Days