The program is designed to set alarm for the beginning of Brahma Muhurta. Brahma Muhurta is special time period before dawn when energy of goodness prevails so it is the best time to wake up and meditate. Alarm is adjusted automatically each day.The calculations are carried out according to the rules of Vedic Astrology – Jyotish (see Muhurtha (Electional Astrology) by Bangalore Venkata Raman and articles by Sanjay Rath).Ashtanga Hridaya Samhita says: "brahme muhurta uttisthet svastho raksartham ayusah" which means