beeroclock

LocalDateTime.now.until(
  LocalDateTime.now.`with`(LocalTime.of(15, 0)).`with`(TemporalAdjusters.nextOrSame(DayOfWeek.FRIDAY)),
  ChronoUnit.MILLIS
) match {
  case ticks if ticks >= 0 => println(s"It's $ticks milliseconds until beer o'clock!")
  case ticks if ticks < 0 => println(s"It has been beer o'clock for ${ticks * -1} milliseconds! :o Time to get wrecked!")
}