var FirstTime = container.find('#1time').val();
var SecondTime = container.find('#2time').val();

var busyTimes = [];
busyTimes =  getBusyTimes(FirstTime , SecondTime);

function getBusyTimes(first, second) {
    var f = first.split(' '), s = second.split(' ');
    if (first == '12.00 AM') f[0] = '0';
    if (first == '12.00 PM') f[1] = 'AM';
    if (second == '12.00 AM') s[0] = '24';
    if (second == '12.00 PM') s[1] = 'AM';
    f[0] = parseInt(f[0], 10) + (f[1] == 'PM' ? 12 : 0);
    s[0] = parseInt(s[0], 10) + (s[1] == 'PM' ? 12 : 0);
    int i = s[0] - f[0];
    // I have difference in hours in "i"
    //From here, I want to make use of value 'i' -- calculate in between
    // hourly values and return the array back to
    // original function above.
}

function getBusyTimes(first, second){
var timeList = ['12:00 AM','1:00 AM','2:00 AM','3:00 AM']; // finish this list
var firstid  = timeList.indexOf(first);
var secondid = timeList.indexOf(second);
var result = new Array();
for(var i=firstid; i<=secondid; i++ ){
    result.push(timeList[i]);
}
return result;
}