@Override
    public String toString() {
        return "time window for hour(s) " +
               hours.toString() +
               " on " + days.stream().map(DayOfWeek::name)
                            .map(String::toLowerCase)
                            .toList() +
               " in time zone " + zone + " and " + dateRange.toString();
    }
Returns whether the given instant is in this time window
config-model-api/src/main/java/com/yahoo/config/application/api/TimeWindow.java