want to substract 5.30 hours from a Date javascript

Question

I want to subtract 5.30 hours from a date, for example, I have a date:

Fri Jan 15 2016 00:00:00 

after subtraction, it should be something like,

Thu Jan 14 2016 19:30:00

How I can achieve this. Any help will be appreciated.

Answer 1

try

var date = new Date("Fri Jan 15 2016 00:00:00");
date.setHours(date.getHours()-5);
date.setMinutes(date.getMinutes()-30);