public void tune(int[] offsetTimes) {

        for (int i = 0; i < offsetTimes.length; i++) { // offsetTimes length
            // should be 7 in order
            // of Fajr, Sunrise,
            // Dhuhr, Asr, Sunset,
            // Maghrib, Isha
            this.offsets[i] = offsetTimes[i];
        }
    }