function subtractHoursFromDate(hours, date = new Date()) {
date.setHours(date.getHours() - hours);
return date;
}
const date = new Date('2022-03-17T18:37:24');
console.log(subtractHoursFromDate(3, date).toString());
/*
run:
"Thu Mar 17 2022 15:37:24 GMT+0200 (Israel Standard Time)"
*/