Just incase anyone needs it; here is the function i used for the time range in the slider
function convertToTimeFormat(value) {
if (value==0) {
value = '12:00am'
} else if (value<1) {
value = '12:30am'
} else if (value==12) {
value = '12:00pm'
} else if (value>12 && value<13) {
value = '12:30pm'
} else if (value==24) {
value = '11:59pm'
} else if (value>=13) {
value = value-12
value += 'pm'
} else {
value += 'am'
}
if (value.indexOf('.5')) value=value.replace('.5',':30')
return value
}