Output the times the hour and minute hand of a clock makes a right angle in a day

gistfile1.js

var totalSecInAClock = 24 * 60 * 60
function cal (sec) {
    var hours = Math.floor(sec / 3600);
    var minutes = Math.floor((sec - (3600 * hours)) / 60);
    var seconds = Math.floor((sec - (3600 * hours))) % 60;
    return {
        hours: hours,
        minutes: minutes,
        seconds: seconds
    }
}

function CalTime () {
    var result = [];
    for (var i = 0; i < totalSecInAClock; i++) {
        var time = cal(i);
        var minNode = (time.seconds / 60) + time.minutes;
        var hour = time.hours;
        if (hour > 11) {
            hour -= 12;
        }
        var hourNode = (hour * 5) + minNode/12;
        var answer = Math.abs(minNode - hourNode);
        if (Math.abs(answer - 15) < 0.008 || Math.abs(answer - 45) < 0.008) {
            result.push(time);
        }
    }
    return result;
}
CalTime()