def countingMinutes(str: String): Int = {
    val format = "hh:mma"
    val formatter: DateTimeFormatter = DateTimeFormat.forPattern(format)

    val (time1: DateTime, time2: DateTime) =
      str.split("-").map(s => parseDate(s, formatter)) match { case Array(s1, s2) => (s1, s2) }

    val laterTime = if (time1.isAfter(time2)) time2.plusDays(1) else time2

    Minutes.minutesBetween(time1, laterTime).getMinutes
  }

  def parseDate(text: String, formatter: DateTimeFormatter): DateTime = formatter.parseDateTime(text)