moment.jsで時間の処理をループで回す

var start = moment("2016-04-13 12:00:00"),
  end = moment("2016-04-13 18:00:00");

for (var target = start.clone();target.isBefore(end);target.add(30, "minutes")) {
  console.log(target.format("HH:mm"));
}

12:00
12:30
13:00
13:30
14:00
14:30
15:00
15:30
16:00
16:30
17:00
17:30