Difference to Greenwich time (GMT) in hours
var off = Math.abs(this.date.getTimezoneOffset()); var hours = Math.floor(off / 60) + ""; var mins = (off % 60) + ""; if(hours.length == 1) hours = "0" + hours; if(mins.length == 1) hours = "0" + mins; return ((this.date.getTimezoneOffset() < 0) ? "+" : "-") + hours + mins;